SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 7640U + 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
87%
VS
GPU
96%
PROCESSOR

AMD Ryzen 5 7640U

25,485 Benchmark Score
Top 13% Market Ranking
View Full Specs →
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

CPU Analysis

The AMD Ryzen 5 7640U is a 6-core, 12-thread mobile processor built on the Zen 4 "Phoenix" architecture. It uses TSMC's 4 nm process node, with 25,000 million transistors packed into a 178 mm² die. The base clock sits at 3.50 GHz with a boost clock of 4.90 GHz, and the CPU has a 15 W TDP, indicating an ultra-low-power design intended for thin-and-light laptops. Cache layout includes 64 KB of L1 per core, 1 MB of L2 per core, and 16 MB of shared L3 cache, with ECC memory support and dual-channel DDR5 memory running at 89.6 GB/s bandwidth.

Benchmark results place this chip in the 78th percentile among all CPUs, with an average benchmark score of 25,485. In Cinebench R23, the multi-core score is 17,936 and the single-core score is 2,532. The R20 results show 7,533 multi-core and 1,063 single-core, while R15 shows 1,807 multi-core and 255 single-core. Geekbench scores are 8,595 multi-core and 2,127 single-core. PassMark tests show a multithread score of 21,115 and a single-thread score of 3,524, with integer math at 70,483, floating-point math at 41,093, and extended instructions at 17,019.

The nearest rivals reveal tight competition. The AMD Ryzen 7 5700 scores 25,517, which is 0.1% higher; the Intel Xeon D-2752TER scores 25,530, also 0.2% higher; the AMD Ryzen 7 5825U scores 25,446, 0.2% lower; and the AMD Ryzen 7 7840U scores 25,432, 0.2% lower. Essentially, the 7640U sits within a rounding error of these four chips, meaning real-world differences will be negligible. For productivity workloads like compiling code, running office suites, or light video editing, the 6-core/12-thread configuration with Zen 4 IPC provides solid responsiveness. The PassMark data compression score of 240,032 and encryption score of 14,954 indicate strong throughput for data-heavy tasks, while the find prime numbers score of 74 and physics score of 1,169 are modest, reflecting the power-constrained design.

Upgrade Path and Platform

The Ryzen 5 7640U uses AMD Socket FP8, a mobile-only socket, which means the upgrade path is essentially tied to the laptop motherboard. There is no socket compatibility with desktop platforms, and the CPU is not multiplier-unlocked, so overclocking is off the table. Memory support is DDR5 with a dual-channel bus offering 89.6 GB/s of bandwidth, and ECC memory is supported. PCIe connectivity is Gen 4 with 20 lanes from the CPU, which is sufficient for a discrete GPU and one or two NVMe drives.

The integrated graphics is the Radeon 760M, which shares the system's DDR5 memory. For a build pairing this CPU with the NVIDIA GeForce RTX 4090 Mobile, the platform must accommodate both the low-power CPU and the high-power GPU. The GPU has a 120 W TDP and no power connectors listed (it is an IGP-style mobile part), with a suggested PSU field left null because this is a laptop. The platform's power delivery needs to handle the combined load, but given the CPU's 15 W TDP, the CPU is unlikely to be a power bottleneck. The sensible next upgrade for this platform, if one exists, would be moving to a higher-tier Phoenix or Hawk Point chip with more cores — but the data shows the 7640U already matches the Ryzen 7 7840U within 0.2%, so the headroom is minimal. The FP8 socket supports multiple part numbers (100-000001106, 100-000001109, 100-000001132), but no higher-end options are documented in the fact pack.

Usage Scenarios

High-refresh gaming: With the RTX 4090 Mobile in the 84th GPU percentile and the CPU in the 78th CPU percentile, 1080p and 1440p high-refresh gaming is well within reach. The CPU's single-core score of 2,532 in Cinebench R23 and 3,524 in PassMark single-thread indicates strong per-core performance, which is what most games rely on. The GPU's 32.98 TFLOPS FP32 throughput ensures frame rates far beyond 60 FPS in most titles, though exact figures are unavailable for this pairing.

Streaming: The RTX 4090 Mobile includes 304 tensor cores and 76 RT cores, which handle NVENC encoding and AI-based features. The CPU's 12 threads are adequate for encoding overhead, but the GPU's tensor cores offload the heavy lifting. The PassMark multithread score of 21,115 suggests the CPU can handle game logic plus streaming software simultaneously, though at 15 W TDP, sustained multi-threaded loads will thermally throttle in thin chassis.

Video editing: The GPU's 16 GB GDDR6 memory with 576.0 GB/s bandwidth is excellent for timeline scrubbing and effect rendering. The CPU's Cinebench R23 multi-core score of 17,936 provides decent export performance, but the 6-core limit means 4K exports will take longer than with 8-core or 12-core chips. The data shows the 7640U matches the Ryzen 7 7840U (which is also 8 cores) within 0.2%, suggesting the power envelope matters more than core count here.

3D rendering: The RTX 4090 Mobile's 32.98 TFLOPS FP32 throughput and 515.3 GTexel/s texture rate make GPU-accelerated rendering (Blender Cycles, Octane) very fast. CPU-based rendering will be slower — the 17,936 R23 multi-core score is mid-range for mobile chips. The 78th CPU percentile means roughly 22% of desktop CPUs outperform it, but for laptop rendering, this is a capable setup.

Software development: The PassMark integer math score of 70,483 and random string sorting score of 29,382 indicate strong performance for compilation and data manipulation. The 12 threads handle parallel builds, while the single-thread score of 3,524 ensures snappy IDE responsiveness. The 89.6 GB/s memory bandwidth is ample for most development workloads.

Student and office work: The CPU's 15 W TDP means long battery life in a laptop, and the Radeon 760M integrated graphics can drive office displays even without the discrete GPU active. The Geekbench single-core score of 2,127 is more than enough for web browsing, document editing, and spreadsheets. The PassMark data encryption score of 14,954 ensures secure connections and file encryption without noticeable lag.

Who Should Build It

This pairing targets users who want a laptop with maximum GPU performance but do not require top-tier multi-core CPU throughput. Gamers playing at 1440p or 4K with high refresh rates will benefit most, since the GPU is the limiting factor in those resolutions. Content creators working in GPU-accelerated applications — video editors using CUDA-accelerated effects, 3D artists rendering with OptiX, or AI researchers using tensor cores — will see the RTX 4090 Mobile's 84th GPU percentile shine. The 16 GB VRAM is sufficient for large textures and complex scenes.

Developers who compile code and run virtual machines will find the 6-core/12-thread CPU adequate, though not exceptional. The CPU's 78th percentile means it outperforms most laptops but lags behind high-end desktop and workstation chips. Students and small business users who need a powerful GPU for occasional rendering or gaming but spend most time in office applications will find the balance acceptable, especially given the low CPU power draw. The combined percentile of 81 places this build in the upper tier of all laptop configurations, so it is not a budget-oriented machine — but the fact pack provides no pricing data, so affordability cannot be assessed.

Benchmark Performance

The CPU's average benchmark score is 25,485, placing it in the 78th percentile of all CPUs. Its nearest rivals are clustered within 0.2%, with the Ryzen 7 5700 at 25,517 (0.1% higher), the Ryzen 7 5825U at 25,446 (0.2% lower), the Ryzen 7 7840U at 25,432 (0.2% lower), and the Xeon D-2752TER at 25,530 (0.2% higher). This indicates the 7640U is essentially performance-equivalent to several 8-core chips, which is notable given its 6-core configuration and 15 W TDP.

The GPU's average benchmark score is 43,667, placing it in the 84th percentile of all GPUs. Its nearest rivals include the Quadro M6000 at 43,301 (0.8% higher), the RTX 5050 Mobile at 43,268 (0.9% higher), the Quadro M6000 24 GB at 43,262 (0.9% higher), and the RTX A6000 at 44,075 (0.9% lower). The RTX 4090 Mobile is thus slightly ahead of the RTX A6000 and slightly behind the Quadro M6000, which is a workstation card — indicating this mobile GPU punches above its class. The combined percentile for the build is 81, reflecting that both components are above average but not top-of-the-line. The GPU's Geekbench OpenCL score is 180,831 and Vulkan score is 170,774, while PassMark G3D is 27,212 and GPU compute is 12,347.

Gaming Performance

No measured FPS rows exist for this exact combination — the fact pack contains no measuredFps data. All FPS figures discussed here are estimates based on the benchmark scores and should be treated as such. The dataIsMeasured field is false, so these are projections, not empirical results.

Given the RTX 4090 Mobile's 84th GPU percentile and 32.98 TFLOPS FP32 throughput, at 1080p ultra settings, this pairing should deliver well over 100 FPS in most esports titles and 60-100 FPS in AAA games. At 1440p ultra, frame rates will remain above 60 FPS in the majority of titles, with some demanding games dropping to 50-60 FPS. At 4K ultra, the 16 GB VRAM and 576.0 GB/s bandwidth will handle high-resolution textures, but the GPU's 120 W TDP limits sustained clocks compared to desktop 4090s, so 4K 60 FPS will be achievable only in optimized titles. The CPU's single-core performance is not a bottleneck at these resolutions, as the GPU will be the limiting factor.

Balance and Bottleneck

The CPU and GPU percentiles are 78 and 84, respectively, with a combined percentile of 81. The 6-percentage-point gap favors the GPU, meaning in GPU-bound workloads (gaming at high resolutions, 3D rendering, video encoding), the RTX 4090 Mobile will be the primary performance driver, and the CPU will keep up without holding back. However, in CPU-bound workloads (physics simulations, compilation, single-threaded applications), the 7640U's 78th percentile will be the ceiling. The Cinebench R23 multi-core score of 17,936 is roughly 28% lower than what a high-end desktop 16-core chip might achieve (based on percentile positioning), so CPU-heavy tasks will not scale as well as GPU-heavy tasks.

The FPS scaling evidence (estimated) shows that at 1080p, the CPU is more likely to limit frame rates in esports titles where the GPU can render very quickly. At 1440p and 4K, the GPU becomes the bottleneck, and the CPU's 12 threads will have headroom. The 15 W TDP of the CPU is a deliberate trade-off: it allows for a thinner laptop and longer battery life, but sustained multi-threaded workloads will cause thermal throttling, reducing the CPU's effective performance below its benchmark scores. The GPU's 120 W TDP is similarly constrained, meaning the 32.98 TFLOPS figure is peak, not sustained, performance.

Build Overview

This is a laptop-class build (buildClass is "laptop") pairing the AMD Ryzen 5 7640U ultra-low-power CPU with the NVIDIA GeForce RTX 4090 Mobile flagship mobile GPU. The combined percentile of 81 indicates this is a high-tier configuration, outperforming roughly 81% of all laptop builds in the database. The pairing is unusual: a 15 W CPU designed for efficiency alongside a 120 W GPU designed for maximum performance. In practice, this means the CPU will rarely be the limiting factor in GPU-accelerated workloads, but it also means the system cannot sustain CPU-intensive tasks at peak levels. The 6-core/12-thread CPU is sufficient for gaming and content creation, but users who need heavy multi-threaded CPU rendering should look elsewhere. The GPU, however, is a top-tier mobile part, and its 84th percentile ranking confirms it is one of the fastest laptop GPUs available.

FAQ

Q: How does the Ryzen 5 7640U compare to the Ryzen 7 7840U?

A: The 7640U's average benchmark score is 25,485, which is 0.2% higher than the Ryzen 7 7840U's 25,432. Despite having 6 cores versus the 7840U's 8 cores, the 7640U matches it in overall benchmark performance, likely due to the power envelope.

Q: What is the GPU's VRAM capacity and memory bandwidth?

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

Q: Is this CPU overclockable?

A: No. The multiplier is locked (multiplierUnlocked is false), and it uses a mobile socket (FP8), so overclocking is not supported.

Q: What PCIe version and lane count does the CPU provide?

A: The CPU provides PCIe Gen 4 with 20 lanes (CPU only). The GPU uses a PCIe 4.0 x16 interface.

Q: Does the GPU support ray tracing and DLSS?

A: The GPU has 76 RT cores and 304 tensor cores, which support ray tracing and AI-based features like DLSS. The DirectX 12 Ultimate (12_2) and Vulkan 1.4 API support also indicate full ray tracing capability.

Q: What is the CPU's TDP and how does it affect performance?

A: The CPU has a 15 W TDP, which is very low for a 6-core/12-thread chip. This limits sustained multi-threaded performance but improves battery life and thermal headroom in thin laptops.

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

A: The RTX 4090 Mobile's average benchmark score is 43,667, which is 0.9% higher than the RTX A6000's 44,075 (the deltaPct is -0.9 for the A6000, meaning the 4090 Mobile is ahead). The 4090 Mobile also has a higher percentile rank at 84 versus the A6000's lower position in the nearest rivals list.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the Ada Lovelace architecture using TSMC's 5 nm process, with 45,900 million transistors on a 379 mm² die. The chip is AD103, and the GPU has 9,728 shading units, 304 TMUs, and 112 ROPs. It features 76 RT cores and 304 tensor cores, which provide hardware acceleration for ray tracing and AI workloads. The base clock is 1,335 MHz with a boost clock of 1,695 MHz, and memory runs at 2,250 MHz (18 Gbps effective). The 16 GB GDDR6 memory on a 256-bit bus delivers 576.0 GB/s of bandwidth. The GPU has a 120 W TDP and uses no power connectors, as it is an IGP-class mobile part. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Benchmark performance places this GPU in the 84th percentile of all GPUs, with an average score of 43,667. The PassMark G3D score is 27,212, and the GPU compute score is 12,347. Geekbench OpenCL and Vulkan scores are 180,831 and 170,774, respectively. DirectX 12 tests show a score of 107, DirectX 11 shows 262, DirectX 10 shows 173, and DirectX 9 shows 310. The G2D score is 984. The nearest rival comparison shows the RTX 4090 Mobile is 0.9% ahead of the RTX A6000 and 0.8-0.9% behind the Quadro M6000 and RTX 5050 Mobile. This means the mobile 4090 delivers workstation-class compute performance in a laptop form factor. The 32.98 TFLOPS FP32 throughput and 515.3 GTexel/s texture rate make it suitable for GPU rendering, video encoding, and high-refresh gaming. The pixel rate of 189.8 GPixel/s supports high resolutions. For rendering workloads, the 16 GB VRAM and tensor cores enable large scenes and AI-accelerated denoising. The GPU's performance is limited by its 120 W TDP, which is identical to the CPU's power draw combined, but the benchmark data shows it still outperforms many desktop workstation GPUs.