SYSTEM ANALYZER

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

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 D

77,712 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

# AMD Ryzen 3 8300G + NVIDIA GeForce RTX 5090 D

This desktop pairing combines a 4-core Zen 4 APU with NVIDIA's flagship Blackwell GPU, creating an extreme imbalance where the CPU's 72nd percentile sits far below the GPU's 92nd percentile. The Ryzen 3 8300G is a 65 W part built on TSMC's 4 nm process with a 137 mm² die containing 20,900 million transistors, while the RTX 5090 D is a 575 W behemoth on a 750 mm² die with 92,200 million transistors. The data shows a system that will be overwhelmingly GPU-bound in most scenarios, but the CPU's modest specifications will cap performance in CPU-heavy workloads.

CPU Analysis

The AMD Ryzen 3 8300G is a 4-core, 8-thread processor from the 8000 series, built on the Zen 4 architecture with the Phoenix2 codename. It operates on AMD Socket AM5 with a base clock of 3.40 GHz and a boost clock of 4.90 GHz. The 4 nm process node from TSMC packs 20,900 million transistors into a 137 mm² die. The cache layout includes 64 KB of L1 per core, 1 MB of L2 per core, and 8 MB of shared L3 cache. Memory support covers DDR5 with a dual-channel bus delivering 83.2 GB/s of bandwidth, and ECC memory is supported.

Benchmark results place this CPU at the 72nd percentile among all CPUs, with an average benchmark score of 18,169. In Cinebench R23, it scores 12,217 multi-core and 1,724 single-core, while Cinebench R20 shows 5,131 multi-core and 724 single-core. Cinebench R15 results are 1,231 multi-core and 173 single-core. The PassMark suite reveals a balanced profile: 40,534 in integer math, 25,336 in floating-point math, 14,018 in multithread, and 3,778 in single-thread. Data compression scores 158,952, data encryption 9,115, extended instructions 12,354, and physics 755. Prime number finding is notably low at 47.

The nearest rivals show how tightly grouped this CPU is. The AMD Ryzen 7 5700U has an average score of 18,176 with a delta of 0%, while the Intel Core i7-1365U scores 18,177 (0% delta). The Intel Core i7-9700 scores 18,180 (-0.1% delta), and the Intel Core i5-1334U scores 18,154 (0.1% delta). This tells you the 8300G sits in a performance band where 4-core and 8-thread parts from previous generations and different power classes converge. For real workloads, the 12,217 Cinebench R23 multi-core score indicates competent but not exceptional multi-threaded performance — enough for everyday productivity, light compilation, and moderate content creation, but it will lag behind higher-core-count parts in rendering and heavy parallel tasks. The single-core score of 1,724 in R23 is respectable for gaming and responsive desktop use.

Upgrade Path and Platform

The platform uses AMD Socket AM5, which is the current desktop socket for AMD's mainstream processors. The CPU supports PCIe Gen 4 with 14 lanes (CPU only), and memory runs on DDR5 with dual-channel configuration. The 65 W TDP is modest, and the RTX 5090 D's suggested PSU of 950 W with its 575 W TDP means the power supply must be sized for the GPU, not the CPU. The 1x 16-pin power connector on the GPU reinforces this.

For a sensible upgrade path, the data suggests that the AM5 platform itself is the long-term asset. The 8300G is a low-power entry point on a socket that supports newer and more capable processors. If the workload shifts toward CPU-heavy tasks, an AM5 processor with more cores would be the logical next step, though the FACT PACK does not list specific alternative CPUs. The 65 W TDP of the current CPU means cooling and power delivery are not stressed, so any upgrade within the platform's power envelope would be straightforward. The PCIe Gen 4 support on the CPU side is adequate for the RTX 5090 D, which uses a PCIe 5.0 x16 interface — the GPU will run at Gen 4 speeds without a major bottleneck in most scenarios, though the data does not quantify the difference.

GPU Analysis

The NVIDIA GeForce RTX 5090 D is a desktop GPU from the GeForce 50-series, built on the Blackwell 2.0 architecture with the GB202 chip. The 5 nm process from TSMC integrates 92,200 million transistors on a 750 mm² die. It has 32 GB of GDDR7 memory on a 512-bit bus, delivering 1.79 TB/s of bandwidth. Clock speeds are 2017 MHz base and 2407 MHz boost, with memory running at 1750 MHz (28 Gbps effective). The GPU has 21,760 shading units, 680 texture mapping units, 176 ROPs, 170 RT cores, and 680 tensor cores. Pixel rate is 423.6 GPixel/s, texture rate is 1,636.8 GTexel/s, and FP32 compute is 104.8 TFLOPS with FP16 at the same 104.8 TFLOPS (1:1).

Benchmark performance places this GPU at the 92nd percentile among all GPUs, with an average benchmark score of 77,712. In 3DMark Steel Nomad DX12, it scores 14,326. Geekbench OpenCL scores 310,674, and Vulkan scores 376,915. PassMark results show 44,065 in G3D, 28,396 in GPU compute, 434 in DirectX 9, 371 in DirectX 11, 231 in DirectX 10, and 219 in DirectX 12. The G2D score is 1,487. The nearest rivals illustrate a tight competitive band: the AMD Radeon RX 6650M XT scores 76,904 (1.1% delta), the RX 6850M XT scores 78,940 (-1.6% delta), the NVIDIA Tesla P100 PCIe 12 GB scores 79,396 (-2.1% delta), and the Tesla P100 PCIe 16 GB scores 79,605 (-2.4% delta).

The 32 GB VRAM and 1.79 TB/s bandwidth make this GPU exceptional for large datasets, high-resolution textures, and memory-intensive workloads like AI inference or 3D rendering. The 170 RT cores and 680 tensor cores provide hardware acceleration for ray tracing and tensor operations. For rendering, the 104.8 TFLOPS FP32 throughput and 1,636.8 GTexel/s texture rate indicate massive fill and compute capability. The 92nd percentile ranking confirms this is near the top of the GPU hierarchy, though the nearest rivals being mobile and datacenter parts suggests the score distribution is dense at this level.

Who Should Build It

This pairing targets users who need extreme GPU compute but have modest CPU demands. Gamers at 4K resolution would benefit most, since higher resolutions shift the bottleneck more toward the GPU, and the 8300G's single-core score of 1,724 in Cinebench R23 is sufficient to feed the GPU in most titles at that resolution. Content creators working with GPU-accelerated rendering, video encoding, or large image batches would see the RTX 5090 D's 32 GB VRAM and 104.8 TFLOPS shine, while the CPU handles orchestration and file I/O. Developers building and testing GPU-compute applications, especially those using CUDA or Vulkan, would appreciate the 376,915 Geekbench Vulkan score and 310,674 OpenCL score.

Students and small business workstations that primarily run office productivity, web browsing, and light multitasking would find the 8300G's 4 cores and 8 threads adequate, and the GPU provides headroom for occasional heavy compute tasks. The 72nd percentile CPU ranking means it is above average for general use but not a performance leader. The 92nd percentile GPU, however, is a top-tier part, so this build is for users who know their GPU-bound workloads will dominate. For CPU-heavy workloads like software compilation, large spreadsheet calculations, or multi-threaded rendering on the CPU, the 8300G will be the limiting factor — the PassMark multithread score of 14,018 and Cinebench R23 multi-core of 12,217 indicate moderate throughput that will not keep pace with the GPU's capabilities.

Benchmark Performance

The CPU's average benchmark score is 18,169 with a 72nd percentile ranking. The GPU's average benchmark score is 77,712 with a 92nd percentile ranking. The combined percentile for this build is 82. The CPU's nearest rival, the Intel Core i7-9700, is 0.1% ahead, and the AMD Ryzen 7 5700U is exactly even, which shows the 8300G competes with older 8-core desktop parts and newer 8-core mobile parts despite having only 4 cores. The GPU's nearest rival, the AMD Radeon RX 6650M XT, is 1.1% ahead, while the RX 6850M XT is 1.6% behind, placing the RTX 5090 D in a cluster of high-performance parts.

The combined picture is one of extreme GPU dominance. The 20-point gap between the CPU's 72nd percentile and the GPU's 92nd percentile is substantial. In GPU-bound workloads, the system will perform at near the GPU's potential, but in CPU-bound workloads, performance will be constrained to the 8300G's level. The PassMark G3D score of 44,065 for the GPU dwarfs the CPU's PassMark multithread score of 14,018, illustrating the compute disparity. For a system that will run games, 3D applications, or compute tasks, the GPU will be the star, but the CPU must be able to feed it — and the data suggests it can only do so in specific scenarios.

FAQ

Q: What socket does the AMD Ryzen 3 8300G use?

A: The CPU uses AMD Socket AM5, which is the current mainstream desktop socket for AMD processors.

Q: How much VRAM does the RTX 5090 D have and what type?

A: The GPU has 32 GB of GDDR7 memory on a 512-bit bus, with a bandwidth of 1.79 TB/s.

Q: What is the CPU's multi-core Cinebench R23 score?

A: The Ryzen 3 8300G scores 12,217 in Cinebench R23 multi-core, and 1,724 in single-core.

Q: What is the GPU's 3DMark Steel Nomad DX12 score?

A: The RTX 5090 D scores 14,326 in 3DMark Steel Nomad DX12.

Q: Does the CPU support ECC memory?

A: Yes, the Ryzen 3 8300G supports ECC memory with its DDR5 dual-channel memory bus.

Q: What is the GPU's power draw and suggested PSU?

A: The RTX 5090 D has a TDP of 575 W, and the suggested PSU is 950 W.

Q: What architecture is the GPU based on?

A: The RTX 5090 D uses the Blackwell 2.0 architecture with the GB202 chip, built on a 5 nm process.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination — the FACT PACK contains no measured FPS rows. All FPS discussion is therefore estimated from the benchmark scores. The GPU's 92nd percentile ranking and the CPU's 72nd percentile ranking suggest that at 1080p, the CPU will likely limit frame rates in many titles, since lower resolutions increase CPU load relative to GPU load. At 1440p and 4K, the GPU becomes the primary bottleneck, and the RTX 5090 D's 32 GB VRAM and 1.79 TB/s bandwidth provide ample headroom for high-resolution textures and demanding settings.

The GPU's 44,065 PassMark G3D score and 14,326 3DMark Steel Nomad DX12 score indicate exceptional rasterization performance. The 170 RT cores and 680 tensor cores will accelerate ray-traced games and DLSS-style upscaling. The CPU's single-core score of 1,724 in Cinebench R23 is adequate for most games, but in CPU-bound scenarios like large multiplayer battles or simulation-heavy titles, frame rates may be lower than what the GPU can deliver. For esports titles at high refresh rates, the 8300G's 4.90 GHz boost clock helps, but the 4-core limit will cap maximum FPS in lightly-threaded but CPU-heavy games. The data suggests this is a 4K gaming system, not a high-refresh 1080p system.

Build Overview

This is a desktop build pairing AMD's entry-level Ryzen 3 8300G with NVIDIA's flagship RTX 5090 D. The CPU is a 4-core, 8-thread Zen 4 APU with integrated Radeon 740M graphics, 65 W TDP, and a 72nd percentile ranking. The GPU is a 32 GB GDDR7 Blackwell 2.0 part with a 575 W TDP, 92nd percentile ranking, and a suggested PSU of 950 W. The combined percentile is 82, placing this system above the majority of builds in the database.

The tier is clearly GPU-dominant. The RTX 5090 D is a top-tier GPU by any measure — 92nd percentile, 104.8 TFLOPS FP32, 1.79 TB/s bandwidth — while the 8300G is a mid-range CPU. This is not a balanced build; it is a specialized configuration for users who prioritize GPU compute and rendering over CPU throughput. The AMD AM5 platform provides a path to upgrade the CPU later without changing the motherboard, which is the sensible strategy for this pairing.

Balance and Bottleneck

The bottleneck analysis is straightforward: the CPU limits CPU-bound workloads, and the GPU dominates GPU-bound workloads. The 20-point percentile gap (72 vs 92) means the CPU is the weaker link. In gaming, the bottleneck shifts with resolution — at 1080p, the CPU's 4 cores and 3,778 PassMark single-thread score will likely limit FPS; at 4K, the GPU's massive compute and memory bandwidth become the primary driver, and the CPU's impact diminishes.

For productivity, the PassMark multithread score of 14,018 and Cinebench R23 multi-core of 12,217 show the CPU is adequate for light-to-moderate workloads but will struggle with heavy multi-threaded tasks. The GPU's 28,396 PassMark GPU compute score and 104.8 TFLOPS FP32 throughput mean any workload that can leverage the GPU will be extremely fast. The FPS scaling evidence, though not measured, supports this: a 92nd percentile GPU paired with a 72nd percentile CPU will show strong scaling in GPU-bound scenarios and flat or limited scaling in CPU-bound scenarios. The practical advice is to pair this GPU with a stronger CPU if the workload is mixed, but for pure GPU compute or 4K gaming, this configuration works — with the understanding that the CPU is the ceiling.

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

Apex Performer

System Balance Analysis

AMD Ryzen 3 8300G

NVIDIA GeForce RTX 5090 D

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

CPU Analysis

Upgrade Path and Platform

GPU Analysis

Who Should Build It

Benchmark Performance

FAQ

Gaming Performance

Build Overview

Balance and Bottleneck

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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