SYSTEM ANALYZER

Rate My PC: AMD Ryzen 7 8840U + NVIDIA GeForce RTX 4090 Mobile

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

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
86%
VS
GPU
96%
PROCESSOR

AMD Ryzen 7 8840U

23,982 Benchmark Score
Top 14% Market Ranking
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GRAPHICS CARD

NVIDIA GeForce RTX 4090 Mobile

43,667 Benchmark Score
Top 4% Market Ranking
View Full Specs →

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

Tips to maximize your system

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.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

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

This is a highly unusual pairing. The AMD Ryzen 7 8840U is a 28-watt processor designed for thin, efficient ultrabooks, while the NVIDIA GeForce RTX 4090 Mobile is a flagship graphics solution that typically demands massive cooling and power. The benchmark data confirms this is a laptop configuration, but the performance characteristics of these two components are so divergent that the pairing creates a unique set of trade-offs. The database shows no measured frame-rate data for this exact combination, so all gaming and real-time graphics performance discussed here is estimated from the individual CPU and GPU benchmark scores rather than observed results.

CPU Analysis

The AMD Ryzen 7 8840U is an 8-core, 16-thread processor based on the Zen 4 architecture, codenamed Hawk Point, and fabricated on TSMC's 4 nm process node. It belongs to the Ryzen 7 generation within AMD's 8000 series lineup. The chip carries 25,000 million transistors on a 178 mm² die. Its base clock is 3.30 GHz with a boost clock of 5.10 GHz, and it operates at a 28-watt TDP, which is the defining constraint of this processor. The cache hierarchy is substantial for a mobile part: 64 KB of L1 per core, 1 MB of L2 per core, and 16 MB of shared L3 cache.

The benchmark scores paint a picture of a processor that is exceptionally strong for its power envelope. In Cinebench R23, it scores 12,972 multi-core and 1,703 single-core. The Geekbench results are similarly solid: 9,610 multi-core and 1,970 single-core. The 3DMark thread scaling tests show a clear pattern: 2-thread score is 1,863, 4-thread is 3,289, 8-thread is 4,896, and 16-thread (max) is 5,677. This scaling indicates that the processor continues to gain performance up to its full thread count, though the gains from 8 to 16 threads are modest, suggesting that the 28W power limit caps the all-core boost potential. The single-thread 3DMark score of 979 is respectable and indicates strong per-core performance for lightly threaded tasks.

The PassMark suite reinforces this profile. The multi-thread score is 23,346, while single-thread is 3,543. Integer math scores 85,740, floating-point math 48,820, and extended instructions 18,654. Data compression is a standout at 267,525, while data encryption scores 16,072. The processor's average benchmark score is 23,982, and it sits at the 76th percentile among all CPUs. Its nearest rivals are remarkably close: the AMD Ryzen 5 8600G averages 24,089 (-0.4%), the Intel Xeon 6333P averages 23,823 (+0.7%), the AMD Ryzen 5 7540U averages 24,188 (-0.9%), and the Intel Core i5-11500 averages 23,718 (+1.1%). This means the 8840U performs essentially identically to a desktop i5-11500 in aggregate, which is a strong statement for a 28W mobile chip. For real workloads, this translates to snappy responsiveness in office applications, smooth web browsing, and capable multi-tasking, but sustained heavy all-core loads like video encoding will hit the power ceiling quickly.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is the defining graphics component here, based on the AD103 chip with the Ada Lovelace architecture on a 5 nm process. It packs 45,900 million transistors on a 379 mm² die, giving a transistor density of 121.1 million per square millimeter. The memory subsystem is substantial: 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s of bandwidth. Memory clocks run at 2250 MHz with 18 Gbps effective. The core configuration is enormous for a mobile part: 9,728 shading units, 304 texture mapping units, 112 raster output units, 76 ray tracing cores, and 304 tensor cores. Base clock is 1335 MHz with a boost of 1695 MHz. Pixel rate is 189.8 GPixel/s, texture rate is 515.3 GTexel/s, and FP32 throughput is 32.98 TFLOPS, with FP16 also at 32.98 TFLOPS (1:1 ratio). The GPU has a 120W TDP and runs on the PCIe 4.0 x16 bus interface. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The benchmark results show a GPU that is massively powerful but with some quirks in the data. The Geekbench OpenCL score is 180,831, and Vulkan scores 170,774. The PassMark G3D score is 27,212, which is high but not stratospheric. The DirectX 12 score of 107 and DirectX 11 score of 262 seem low relative to the G3D score, which may reflect specific driver or workload characteristics in those tests. GPU compute scores 12,347, and the 2D score is 984. The average benchmark score is 43,667, placing it at the 84th percentile among all GPUs.

The nearest rivals are telling. The NVIDIA Quadro M6000 averages 43,301 (+0.8%), the GeForce RTX 5050 Mobile averages 43,268 (+0.9%), the Quadro M6000 24 GB averages 43,262 (+0.9%), and the NVIDIA RTX A6000 averages 44,075 (-0.9%). This means the RTX 4090 Mobile is statistically tied with the RTX A6000, a professional workstation card, in aggregate benchmark scores. For rendering, this GPU is a serious workhorse. The 16 GB VRAM is critical for large 3D scenes, high-resolution textures, and AI workloads that need to hold substantial data in memory. The 576 GB/s bandwidth ensures that data can feed the 9,728 shading units without stalling. Ray tracing performance is handled by 76 dedicated RT cores, and the 304 tensor cores provide substantial AI acceleration for DLSS and similar technologies. The 32.98 TFLOPS FP32 throughput means raw compute tasks like physics simulations or scientific calculations will run exceptionally well.

Upgrade Path and Platform

The platform is built around the AMD Socket FP8, which is a mobile-specific socket. The Ryzen 7 8840U supports DDR5 memory in a dual-channel configuration with 89.6 GB/s of bandwidth. ECC memory is not supported. The CPU provides 20 PCIe Gen 4 lanes, and the GPU connects via PCIe 4.0 x16. The integrated graphics are Radeon 780M, which is a capable fallback for basic display output or light tasks when the discrete GPU is idle.

The TDP figures define the power delivery requirements. The CPU runs at 28W, and the GPU at 120W, for a combined 148W of component TDP. This is a moderate total for a laptop with a flagship GPU, and the suggested PSU is not specified in the data, but the power connector for the GPU is listed as "None," which suggests it draws power through the motherboard rather than a dedicated connector. This indicates the laptop's power delivery system is designed to handle this specific configuration without user-upgradeable power components.

A sensible next upgrade path is essentially locked to the platform. The CPU is soldered (Socket FP8 is not a user-upgradeable socket in the traditional sense), and the GPU is integrated into the motherboard. The only meaningful upgrades would be increasing the system memory capacity or swapping the storage drives. The DDR5 support means memory upgrades are possible, and the PCIe Gen 4 lanes provide fast storage connectivity. However, given that the CPU and GPU are both high-end for their respective classes, the platform is likely near its performance ceiling. The 28W CPU TDP is the bottleneck for sustained all-core workloads, and there is no way to increase that power budget through user action. This is a sealed system in terms of core performance.

Who Should It Build

The target user for this combination is narrow but specific. The 28W CPU is ideal for users who prioritize battery life and portability in everyday tasks, while the RTX 4090 Mobile GPU is for those who need maximum graphics performance on demand. This is a laptop for a professional who travels frequently and needs to do both office work and heavy graphics work without carrying two devices.

Content creators who work with video editing, 3D rendering, or large image processing would benefit from the GPU's 16 GB VRAM and 32.98 TFLOPS FP32 throughput. The CPU's 16 threads and 12,972 Cinebench R23 multi-core score can handle moderate video encoding, though sustained exports will be limited by the 28W power budget. Software developers compiling large codebases would see strong performance in the PassMark integer math score of 85,740 and the multi-thread score of 23,346, which indicate solid parallel processing for build tasks. Data compression at 267,525 suggests fast file archiving and data processing for analytics work.

Students and office workers would find the CPU's single-thread performance of 3,543 in PassMark and 1,703 in Cinebench R23 more than adequate for document processing, spreadsheets, and web-based research. The integrated Radeon 780M GPU provides a power-efficient fallback for basic graphics tasks, extending battery life when the RTX 4090 is not needed. Small business workstations that need to run both productivity software and occasional GPU-accelerated tasks like CAD or video conferencing with AI effects would find this configuration responsive. Gamers who want maximum frame rates at high resolutions are also a target, but the CPU's 28W TDP creates a specific bottleneck that will be discussed in the balance section.

Balance and Bottleneck

The performance balance is heavily skewed toward the GPU. The CPU sits at the 76th percentile among all CPUs, while the GPU sits at the 84th percentile among all GPUs. The combined percentile is 80. This 8-point gap means the GPU is meaningfully stronger relative to its peers than the CPU is relative to its peers. In practical terms, the CPU will struggle to keep up with the GPU in certain gaming and rendering workloads.

For gaming at lower resolutions like 1080p, the CPU is likely the limiting factor. The 3DMark 8-thread score of 4,896 and the single-thread score of 979 indicate that the CPU can generate a reasonable number of frames, but the RTX 4090 Mobile is capable of producing far more frames than the CPU can feed in CPU-bound scenarios. At 1440p and 4K, the GPU becomes the primary driver, and the CPU's limitation is less pronounced because the GPU is working harder per frame. The 28W TDP means the CPU's boost clocks will drop under sustained all-core load, which affects minimum frame rates in games that use multiple threads heavily.

For rendering workloads, the balance is also skewed. The GPU's 32.98 TFLOPS FP32 and 16 GB VRAM will handle most rendering tasks far faster than the CPU can prepare the data. This creates a scenario where the CPU is waiting on the GPU, which is the opposite of the typical bottleneck. The PassMark GPU compute score of 12,347 versus the CPU's floating-point math score of 48,820 shows that the CPU is not useless in compute tasks, but the GPU's raw throughput is in a different league. For video editing, the GPU accelerates effects and rendering, but the CPU handles timeline scrubbing and encoding, where the 28W TDP will cause slowdowns on long exports. The dual-channel memory bandwidth of 89.6 GB/s is also a potential bottleneck for feeding the GPU's 576 GB/s bandwidth, though the GPU has its own memory pool, so this is more relevant for CPU-side tasks.

Gaming Performance

The FACT PACK contains no measured FPS data for this CPU and GPU combination. The `measuredFpsUltraByGame` field is empty, and the `dataIsMeasured` flag is false. Therefore, all gaming performance discussed here is estimated from the individual benchmark scores of the CPU and GPU. These estimates should be treated as approximations, not verified results.

Given the GPU's 84th percentile ranking and its aggregate score of 43,667, which is statistically tied with the RTX A6000, the RTX 4090 Mobile is capable of very high frame rates at 1440p and 4K in most titles. The 16 GB VRAM and 576 GB/s bandwidth are sufficient for maxed-out texture settings and ray tracing at those resolutions. The 76 RT cores and 304 tensor cores enable DLSS 3 frame generation, which can dramatically boost frame rates in supported games.

However, the CPU's 28W TDP introduces a significant caveat. At 1080p, where the GPU is often not the limiting factor, the CPU's 8 cores and 16 threads at 3.30 GHz base (5.10 GHz boost) will likely cap frame rates below what the GPU could deliver. The single-thread score of 979 in 3DMark and 1,703 in Cinebench R23 suggest that the CPU can handle modern game engines, but the power limit means sustained boost clocks will be lower than the 5.10 GHz maximum. At 1440p and 4K, the GPU becomes the primary driver, and the CPU's limitations are less impactful. Ray tracing workloads are heavily GPU-dependent, so the RTX 4090 Mobile's 76 RT cores will shine here, but the CPU must still handle game logic and physics, which will create occasional frame hitches when multiple threads are saturated.

Usage Scenarios

High-refresh gaming: At 1080p, the CPU's 28W TDP will likely prevent the frame rates from reaching the GPU's potential, capping performance below what the RTX 4090 Mobile could deliver. At 1440p and 4K, the GPU's 84th percentile ranking and 16 GB VRAM will support high frame rates in most titles, especially with DLSS enabled.

Streaming: The 304 tensor cores on the GPU provide NVENC capabilities that offload encoding from the CPU. The CPU's 16 threads can handle game logic and streaming software simultaneously, though the 28W TDP may cause frame drops in CPU-heavy games while encoding.

Video editing: The GPU's 32.98 TFLOPS FP32 and 16 GB VRAM accelerate effects, color grading, and rendering. The CPU's 12,972 Cinebench R23 multi-core score handles timeline scrubbing and basic edits, but long 4K exports will be limited by the 28W power budget.

3D rendering: The GPU's 9,728 shading units and 76 RT cores provide exceptional rendering performance, especially for ray-traced scenes. The 16 GB VRAM holds large scenes, and the 576 GB/s bandwidth feeds the renderer efficiently. The CPU's 16 threads prepare geometry and handle scene logic, but the GPU will dominate the render time.

Software development: The CPU's 85,740 integer math score and 23,346 multi-thread PassMark score indicate fast code compilation and test execution. The GPU is largely irrelevant for most development tasks, but its compute power is available for GPU-accelerated libraries or local AI model training.

Student and office work: The CPU's 3,543 single-thread PassMark score and 1,970 Geekbench single-core score deliver smooth performance for document editing, spreadsheets, and web browsing. The integrated Radeon 780M GPU saves power when the discrete GPU is idle, extending battery life for all-day campus use.

FAQ

Q: What is the combined performance percentile of this CPU and GPU pairing?

A: The combined percentile is 80, with the CPU at the 76th percentile among all CPUs and the GPU at the 84th percentile among all GPUs.

Q: How does the Ryzen 7 8840U compare to the Intel Core i5-11500?

A: The Ryzen 7 8840U has an average benchmark score of 23,982, which is 1.1% higher than the Intel Core i5-11500's 23,718. The two processors are statistically tied in aggregate performance.

Q: How does the RTX 4090 Mobile compare to the NVIDIA RTX A6000?

A: The RTX 4090 Mobile has an average benchmark score of 43,667, which is 0.9% lower than the RTX A6000's 44,075. The two GPUs are statistically tied in aggregate performance.

Q: What is the memory bandwidth of the RTX 4090 Mobile?

A: The RTX 4090 Mobile has 576.0 GB/s of memory bandwidth, provided by 16 GB of GDDR6 memory on a 256-bit bus.

Q: Does the Ryzen 7 8840U support ECC memory?

A: No, ECC memory is not supported. The CPU supports DDR5 memory in a dual-channel configuration with 89.6 GB/s of bandwidth.

Q: What is the process node for the CPU and GPU?

A: The CPU is fabricated on TSMC's 4 nm process, while the GPU is fabricated on TSMC's 5 nm process.

Q: Is there measured FPS data for this configuration?

A: No, the FACT PACK contains no measured FPS data for this exact CPU and GPU combination. All gaming performance discussed is estimated from benchmark scores.

Benchmark Performance

The AMD Ryzen 7 8840U achieves an average benchmark score of 23,982, placing it at the 76th percentile among all CPUs. Its nearest rival is the AMD Ryzen 5 8600G with a score of 24,089, which is 0.4% higher. The Intel Xeon 6333P scores 23,823, which is 0.7% lower. The AMD Ryzen 5 7540U scores 24,188, which is 0.9% higher. The Intel Core i5-11500 scores 23,718, which is 1.1% lower. The CPU's best scores are in the PassMark data compression test at 267,525 and integer math at 85,740. Its weakest result is the PassMark find prime numbers test at 78, which is a specific workload that does not reflect general performance.

The NVIDIA GeForce RTX 4090 Mobile achieves an average benchmark score of 43,667, placing it at the 84th percentile among all GPUs. Its nearest rivals are the NVIDIA Quadro M6000 at 43,301 (+0.8%), the GeForce RTX 5050 Mobile at 43,268 (+0.9%), the Quadro M6000 24 GB at 43,262 (+0.9%), and the RTX A6000 at 44,075 (-0.9%). The GPU's strongest benchmark is the Geekbench OpenCL score of 180,831, followed by the Vulkan score of 170,774. The PassMark G3D score is 27,212, and the GPU compute score is 12,347.

The combined picture is one of a GPU that is significantly stronger than the CPU relative to their respective markets. The 8-point gap between the GPU's 84th percentile and the CPU's 76th percentile indicates that the GPU will dominate most performance-sensitive workloads. The CPU's 28W TDP is the primary constraint on overall system performance, as it limits sustained all-core throughput despite the strong per-core architecture. The GPU's 120W TDP, while higher, is still modest for a flagship part, and its 84th percentile ranking shows it performs near the top of the mobile GPU market. This system is best understood as a portable workstation with exceptional graphics capability, constrained by a power-efficient processor that prioritizes battery life over brute-force compute.