SYSTEM ANALYZER

Rate My PC: AMD Ryzen 3 8300G + NVIDIA GeForce RTX 5090

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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91 Score

Top 9% Ranking

91 / 100

ULTIMATE READY

Apex Performer

Top 9% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

83%

GPU

98%

PROCESSOR

AMD Ryzen 3 8300G

18,169 Benchmark Score

Top 17% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 5090

79,842 Benchmark Score

Top 2% Market Ranking

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Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles

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Performance Insights

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Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

4K Gaming Ready

Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

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Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready

70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High

50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med

30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports

0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

# Gaming Performance — Estimated Frame Rates

The FACT PACK contains no measured FPS rows for this exact CPU+GPU combination. The `measuredFpsUltraByGame` field is empty, and `dataIsMeasured` is false. All frame-rate discussion here is therefore estimated from the benchmark scores of the two components, and should be treated as directional guidance rather than verified results.

What the data implies is a dramatic split between CPU-limited and GPU-limited scenarios. The RTX 5090 sits at the 92nd percentile among all GPUs, with a PassMark G3D score of 39,650 and a 3DMark Steel Nomad DX12 score of 18,355. That is flagship-class rasterization and ray-tracing muscle. The Ryzen 3 8300G, by contrast, sits at the 72nd percentile among all CPUs, with an average benchmark score of 18,169 — nearly identical to the AMD Ryzen 7 5700U and Intel Core i7-1365U, both within 0% deltaPct. This is a mid-tier quad-core part, not a high-refresh gaming engine.

For 1080p ultra settings, the estimated frame rates will vary wildly by title. In GPU-bound games — those that stress shading, texture fill, and memory bandwidth — the RTX 5090's 104.8 TFLOPS FP32 compute and 1.79 TB/s memory bandwidth will push frame rates far beyond what any display can show, likely in the 200-400+ FPS range depending on the engine. However, the CPU's 4 cores and 8 threads, with a 12,217 Cinebench R23 multi-core score, will cap frame rates in many titles where draw calls and game logic dominate. Expect 60-120 FPS in CPU-heavy esports and open-world games, with stutter possible in titles that favor more cores.

At 1440p ultra, the GPU becomes more dominant, and the CPU bottleneck narrows. The RTX 5090's 680 texture mapping units and 176 ROPs, combined with 32 GB of GDDR7 memory, will sustain very high frame rates, likely 144-240+ FPS in most titles. The Ryzen 3 8300G's single-core performance — 1,724 in Cinebench R23 single-core, which is competitive with modern mobile chips — will still be the limiter in some scenarios, but the gap narrows as resolution increases.

At 4K ultra, the picture flips decisively. The RTX 5090's 423.6 GPixel/s pixel rate and 1,636.8 GTexel/s texture rate are designed for 4K rendering, and the 32 GB frame buffer eliminates any VRAM concerns. Estimated frame rates at 4K ultra will be 60-120+ FPS in most titles, with the CPU's role diminishing further. The 8300G's 83.2 GB/s memory bandwidth and dual-channel DDR5 support are sufficient to feed the GPU at this resolution without major stalls.

The critical takeaway: this pairing is severely front-loaded on GPU capability. The RTX 5090 is a 92nd-percentile component capable of 4K 120+ FPS in many titles, but the 8300G's 72nd-percentile standing means it will bottleneck at lower resolutions. If the goal is 4K ultra, the estimates look strong. If the goal is 1080p high-refresh, the CPU will hold back the GPU.

# Benchmark Performance

The CPU and GPU benchmark scores tell two very different stories. The Ryzen 3 8300G posts an average benchmark score of 18,169, placing it at the 72nd percentile among all CPUs. Its nearest rivals are the AMD Ryzen 7 5700U (18,176, deltaPct 0%), Intel Core i7-1365U (18,177, deltaPct 0%), and Intel Core i7-9700 (18,180, deltaPct -0.1%). This is a high-mid-tier result for a desktop quad-core, indicating solid general-purpose performance but no multi-core dominance.

The RTX 5090 posts an average benchmark score of 79,842, placing it at the 92nd percentile among all GPUs. Its nearest rivals are the NVIDIA Tesla P100 PCIe 16 GB (79,605, deltaPct 0.3%), Tesla P100 PCIe 12 GB (79,396, deltaPct 0.6%), and AMD Radeon RX 6850M XT (78,940, deltaPct 1.1%). The 5090 leads these by a small margin — 0.3% to 1.1% — which suggests the average score is tightly clustered, but the 5090's specialized scores (3DMark Steel Nomad 18,355, Geekbench Vulkan 376,728) show it excels in modern graphics workloads.

The combined percentile for this pairing is 82, which reflects the wide gap between the two components. The GPU is near the top of its class, while the CPU is comfortably mid-tier. The data shows a 92nd-percentile GPU paired with a 72nd-percentile CPU, resulting in a system that is far stronger in GPU-bound tasks than CPU-bound ones.

Looking at the CPU's individual benchmarks: Cinebench R23 multi-core is 12,217, single-core is 1,724; Cinebench R20 multi-core is 5,131, single-core is 724; Cinebench R15 multi-core is 1,231, single-core is 173. These scores indicate a CPU that handles single-threaded workloads competently — the single-core R23 score of 1,724 is respectable for a 4-core part — but multi-threaded performance is limited by the core count. PassMark multi-thread score is 14,018, with single-thread at 3,778.

The GPU's compute scores are staggering: Geekbench OpenCL 334,370, Vulkan 376,728, PassMark GPU Compute 26,756. The FP32 throughput of 104.8 TFLOPS and FP16 at 104.8 TFLOPS (1:1) place it in a league of its own for parallel workloads. The combined picture is a system that will excel in GPU-accelerated rendering, AI inference, and high-resolution gaming, but will show its limits in CPU-bound multi-threaded tasks like video encoding or software compilation.

# Usage Scenarios

High-refresh gaming: At 1080p, the RTX 5090's 92nd-percentile GPU score will generate extremely high frame rates, but the 8300G's 72nd-percentile CPU score and 4-core/8-thread configuration will bottleneck. Estimated FPS in esports titles will be high but capped by CPU draw-call limits. At 1440p and 4K, the GPU takes over, and high-refresh (144Hz+) is achievable in most titles.

Streaming: The RTX 5090's 680 tensor cores and 170 RT cores provide ample hardware for NVENC-based encoding, and the 32 GB GDDR7 frame buffer allows simultaneous game rendering and encoding without VRAM pressure. The CPU's 8 threads are sufficient for light streaming overhead, but multi-tasking with a game plus encoding plus chat apps may strain the 8300G's multi-core score of 12,217.

Video editing: The GPU's 104.8 TFLOPS FP32 and 26,756 PassMark GPU Compute score will accelerate effects, color grading, and GPU-accelerated exports. However, CPU-based encoding and timeline scrubbing depend on the 8300G's 12,217 multi-core score, which is mid-tier. Expect GPU-accelerated workflows to be fast, but pure CPU rendering to be slower than a higher-core-count part.

3D rendering: This scenario favors the GPU heavily. The RTX 5090's 92nd percentile and 1.79 TB/s memory bandwidth will produce exceptional results in GPU-accelerated renderers like Blender Cycles or Octane. The 8300G's 8 MB L3 cache and 4 cores will handle scene management, but the render output will be GPU-bound. For CPU-based rendering, the 8300G's 12,217 Cinebench R23 score is below average for workstations.

Software development: Compilation and build times depend on multi-core CPU performance. The 8300G's 4 cores and 8 threads, with a PassMark integer math score of 40,534, will handle small to medium projects, but large codebases will compile slower than with a higher-core CPU. The 72nd-percentile CPU standing confirms this is not a developer workstation CPU.

Student and office work: The 8300G is well-suited here. Its 3,778 PassMark single-thread score and 72nd-percentile CPU rating handle web browsing, document editing, and spreadsheets easily. The integrated Radeon 740M GPU provides display output, and the RTX 5090 can be left idle or used for GPU-accelerated tasks. The 65W CPU TDP and dual-channel DDR5 support make this an efficient, responsive office machine.

# Who Should Build It

The target user for this pairing is someone who prioritizes GPU performance above all else and works primarily at 1440p or 4K resolution. The RTX 5090's 92nd-percentile GPU score and 32 GB VRAM make it a top choice for gamers at 4K ultra settings, where the CPU bottleneck is minimized. Content creators using GPU-accelerated renderers, AI workloads, or video editing with hardware encoding will benefit from the 5090's compute power and the 8300G's adequate single-thread performance.

Small businesses running GPU-accelerated applications — such as CAD, data visualization, or machine learning inference — will find the RTX 5090's 26,756 PassMark GPU Compute score transformative, while the 8300G handles typical office multitasking. Students in graphics-intensive programs or researchers working with large datasets will appreciate the 32 GB GDDR7 memory, which eliminates out-of-memory errors in large models.

However, this build is not for CPU-bound workloads. Developers compiling large codebases, video editors relying on CPU encoding, or users who multi-task heavily across many applications will find the 8300G's 4 cores and 8 threads limiting. The 72nd-percentile CPU score and 12,217 multi-core Cinebench score indicate a mid-tier part that will not scale with demanding multi-threaded tasks.

The build also suits users who want future GPU upgrades without changing the platform. The AM5 socket and PCIe Gen 4 support (14 lanes from the CPU) provide a foundation for future CPU upgrades, while the RTX 5090 is already near the top of its class. For users who want a system that excels at GPU-bound tasks today and can be upgraded later, this pairing makes sense.

# Upgrade Path and Platform

The Ryzen 3 8300G is built on AMD Socket AM5, which is the current desktop platform. The CPU supports dual-channel DDR5 memory with a bandwidth of 83.2 GB/s, ECC memory is supported, and the CPU provides 14 PCIe Gen 4 lanes. The RTX 5090 uses a PCIe 5.0 x16 interface, which is backward compatible with the CPU's Gen 4 lanes, though at reduced bandwidth compared to a Gen 5 CPU.

The 8300G has a 65W TDP, while the RTX 5090 has a 575W TDP and a suggested PSU of 950W. This means the power supply is the primary constraint for upgrades — the CPU draws little power, but the GPU dominates the system's power budget. The 1x 16-pin power connector on the GPU is standard for high-end cards.

A sensible next upgrade would be a higher-core-count AM5 CPU, such as a Ryzen 7 or Ryzen 9 part from the same generation, to alleviate the CPU bottleneck in gaming and multi-threaded workloads. The AM5 socket supports this without changing the motherboard. The 8300G's 4 cores and 8 threads are the clear weak link in this system, and upgrading the CPU would provide the most balanced performance improvement.

Memory-wise, the dual-channel DDR5 support at 83.2 GB/s is adequate for the 8300G but may limit the RTX 5090 in some memory-intensive scenarios. Upgrading to faster DDR5 modules could improve bandwidth, though the CPU's memory controller is the limiting factor. PCIe Gen 4 from the CPU means the RTX 5090's Gen 5 interface will run at Gen 4 speeds, which has minimal impact on gaming performance but could matter for some compute workloads.

The platform overall is modern and upgradeable, with the CPU's 65W TDP leaving thermal headroom for a future CPU upgrade without changing the cooler. The GPU's 575W TDP and 950W suggested PSU mean the power supply is already sized for a high-end system.

# FAQ

Q: Does the Ryzen 3 8300G bottleneck the RTX 5090 in gaming?

A: Yes, particularly at 1080p. The CPU's 72nd-percentile score and 4 cores/8 threads will limit frame rates in CPU-bound titles. At 4K, the GPU's 92nd-percentile score dominates, and the bottleneck is significantly reduced.

Q: What is the memory bandwidth of the RTX 5090?

A: The RTX 5090 has 1.79 TB/s of memory bandwidth, supported by 32 GB of GDDR7 memory on a 512-bit bus, with a memory clock of 1750 MHz (28 Gbps effective).

Q: Can this system handle 4K gaming?

A: Based on the RTX 5090's 92nd-percentile GPU score, 423.6 GPixel/s pixel rate, and 32 GB VRAM, it is well-suited for 4K ultra gaming. Estimated frame rates will be 60-120+ FPS depending on the title, with the CPU playing a smaller role at this resolution.

Q: What is the power consumption of each component?

A: The CPU has a 65W TDP, and the GPU has a 575W TDP. The suggested PSU for the system is 950W, which provides ample headroom for both components plus the rest of the system.

Q: Does the CPU support ECC memory?

A: Yes, the AMD Ryzen 3 8300G supports ECC memory, which is useful for workstation and server applications that require data integrity.

Q: What architecture is the RTX 5090 built on?

A: The RTX 5090 uses the Blackwell 2.0 architecture (chip GB202) on a 5nm TSMC process, with 92,200 million transistors on a 750 mm² die.

Q: How many cores and threads does the Ryzen 3 8300G have?

A: The CPU has 4 cores and 8 threads, with a base clock of 3.40 GHz and a boost clock of 4.90 GHz, using the Zen 4 architecture on the Phoenix2 codename.

# CPU Analysis

The AMD Ryzen 3 8300G is a 4-core, 8-thread desktop processor from the 8000 series, built on the Zen 4 architecture with the Phoenix2 codename. It is fabricated on a 4nm TSMC process with 20,900 million transistors on a 137 mm² die. The base clock is 3.40 GHz, boosting to 4.90 GHz, and the TDP is 65W. It supports dual-channel DDR5 memory with 83.2 GB/s bandwidth and ECC memory, and provides 14 PCIe Gen 4 lanes from the CPU. The integrated Radeon 740M GPU is included for display output.

The benchmark data shows a CPU that is competent in single-threaded workloads but limited in multi-threaded ones. The Cinebench R23 single-core score of 1,724 and PassMark single-thread score of 3,778 are respectable, placing it near mobile CPUs like the Intel Core i7-1365U (within 0% deltaPct). The multi-core Cinebench R23 score of 12,217 is modest, reflecting the 4-core/8-thread configuration. PassMark integer math is 40,534, floating-point math is 25,336, and the multi-thread score is 14,018.

The 72nd-percentile standing among all CPUs means this is a solid mid-tier desktop part. It outperforms many older and lower-end CPUs but is not competitive with modern 6-core or 8-core parts in multi-threaded workloads. The nearest rivals — Ryzen 7 5700U, Core i7-1365U, and Core i7-9700 — all have similar average scores (18,169-18,180), confirming that the 8300G is in the company of efficient, mainstream processors rather than high-end desktop chips.

For real workloads, the 8300G excels at single-threaded tasks like web browsing, office applications, and light coding. Its 4.90 GHz boost clock and strong single-core score ensure snappy responsiveness. However, video encoding, 3D rendering, and heavy multitasking will expose the core-count limitation. The 8 MB shared L3 cache is modest, which may impact performance in cache-sensitive workloads.

# Build Overview

This build pairs the AMD Ryzen 3 8300G with the NVIDIA GeForce RTX 5090 in a desktop configuration. The combined percentile is 82, which places it in the upper tier of systems, but the balance is heavily skewed toward the GPU. The RTX 5090 at the 92nd percentile is a flagship part, while the 8300G at the 72nd percentile is a mainstream CPU.

The build class is desktop, and the overall tier is high-end on the GPU side and mid-range on the CPU side. This is an unconventional pairing — a budget-friendly quad-core CPU with a top-of-the-line graphics card. The RTX 5090's 32 GB GDDR7 memory and 104.8 TFLOPS compute are overkill for most gaming scenarios, but the CPU's 4 cores may be underpowered for the GPU in CPU-bound games.

The system's performance profile is defined by this asymmetry. In GPU-bound tasks — high-resolution gaming, GPU rendering, AI inference — the system performs at a near-flagship level. In CPU-bound tasks — compilation, CPU rendering, heavy multitasking — it performs at a mid-tier level. The combined percentile of 82 reflects this mixed character, with the GPU pulling the average up significantly.

This is a build for users who know their workloads are GPU-dominated. It is not a balanced system, but it can be a highly effective one for specific use cases. The AM5 platform and 65W CPU TDP leave room for a future CPU upgrade, which would bring the system's balance closer to parity.

# Balance and Bottleneck

The benchmark data reveals a clear bottleneck: the CPU on the 8300G limits the RTX 5090 in CPU-bound workloads. The GPU's 92nd-percentile score (79,842 average) is far above the CPU's 72nd-percentile score (18,169 average), creating a 20-percentile gap that manifests as CPU limitation in gaming.

At lower resolutions (1080p), the CPU's 4 cores and 8 threads will be the primary constraint. The 8300G's multi-core score of 12,217 in Cinebench R23 is sufficient for 60 FPS in most games, but high-refresh (144Hz+) targets in CPU-heavy titles will be difficult. The GPU's massive compute headroom is wasted when the CPU cannot issue draw calls fast enough.

At higher resolutions (1440p and 4K), the GPU becomes the limiting factor, and the balance shifts. The RTX 5090's pixel rate of 423.6 GPixel/s and texture rate of 1,636.8 GTexel/s are taxed more heavily, and the CPU has more time to prepare frames. Estimated FPS at 4K ultra will still be high (60-120+), but the GPU is now the bottleneck, meaning the CPU's limitations are less impactful.

In GPU-accelerated compute tasks — rendering, AI, video encoding — the GPU is almost always the bottleneck, and the CPU's role is reduced to feeding data. Here, the 8300G's 83.2 GB/s memory bandwidth and PCIe Gen 4 lanes are adequate, and the system performs near the GPU's potential. Conversely, in CPU-bound tasks like software compilation or CPU rendering, the 8300G is the bottleneck, and the RTX 5090 provides no benefit.

The evidence from the FPS scaling (from CPU-bound at 1080p to GPU-bound at 4K) and the percentile gap indicates that this system is balanced only when the workload is GPU-dominated. For users who want a balanced system, a stronger CPU would be required.

# GPU Analysis

The NVIDIA GeForce RTX 5090 is a flagship GPU from the GeForce 50-series, built on the Blackwell 2.0 architecture with the GB202 chip. It is fabricated on a 5nm TSMC process with 92,200 million transistors on a 750 mm² die. The GPU has 32 GB of GDDR7 memory on a 512-bit bus, providing 1.79 TB/s of memory bandwidth. The base clock is 2017 MHz, boosting to 2407 MHz, with a memory clock of 1750 MHz (28 Gbps effective).

The GPU's specifications are extreme: 21,760 shading units, 680 texture mapping units, 176 ROPs, 170 RT cores, and 680 tensor cores. The pixel rate is 423.6 GPixel/s, and the texture rate is 1,636.8 GTexel/s. FP32 compute is 104.8 TFLOPS, with FP16 at 104.8 TFLOPS (1:1). The TDP is 575W, with a suggested PSU of 950W and a 1x 16-pin power connector. The dual-slot design measures 304 mm in length, 137 mm in height, and 40 mm in width.

Benchmark scores confirm the GPU's top-tier status. The 3DMark Steel Nomad DX12 score is 18,355, Geekbench OpenCL is 334,370, and Vulkan is 376,728. PassMark G3D is 39,650, and GPU Compute is 26,756. The average benchmark score is 79,842, placing it at the 92nd percentile. Its nearest rivals are the Tesla P100 variants and Radeon RX 6850M XT, all within 1.1% deltaPct, indicating a tight cluster at this performance level.

For rendering, the 170 RT cores and 680 tensor cores provide hardware acceleration for ray tracing and AI-based features like DLSS. The 32 GB VRAM is more than sufficient for 4K texture packs, large 3D scenes, and AI models. The 1.79 TB/s memory bandwidth eliminates any bandwidth bottleneck in high-resolution rendering. The GPU supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, with display outputs of 1x HDMI 2.1b and 3x DisplayPort 2.1b.

The 92nd-percentile GPU score means this is one of the fastest consumer GPUs available. In GPU-bound workloads, the RTX 5090 will deliver near-best-in-class performance, whether for gaming at 4K, GPU rendering, or compute tasks. The only caveat is the CPU pairing, which can limit the GPU in CPU-bound scenarios.

Rate My PC: AMD Ryzen 3 8300G + NVIDIA GeForce RTX 5090

Apex Performer

System Balance Analysis

AMD Ryzen 3 8300G

NVIDIA GeForce RTX 5090

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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