SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 7520C + NVIDIA GeForce RTX 4090 Mobile

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

82 / 100
HIGH-END

Power Build

Top 18% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio
CPU Bottleneck
CPU
68%
VS
GPU
96%

Your CPU is limiting system performance. Consider upgrading to a faster processor to better utilize your GPU.

PROCESSOR

AMD Ryzen 5 7520C

2,127 Benchmark Score
Top 32% 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
View All Games →

Performance Insights

Tips to maximize your system

Strong Performance

Excellent for 1440p gaming. Most games will run at high/ultra settings smoothly.

Bottleneck Detected

CPU Bottleneck - Upgrading the weaker component will improve overall performance.

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: a 4-core/8-thread Zen 2 mobile processor designed for efficiency, paired with NVIDIA’s flagship Ada Lovelace mobile GPU. The FACT PACK confirms no measured FPS rows exist for this exact combination, so all gaming performance discussion below is estimated from the benchmark scores, not observed frame rates. The data shows a system with extreme performance asymmetry: the CPU’s average benchmark score is 2127, placing it in the 46th percentile of all CPUs, while the GPU’s average benchmark score is 43667, placing it in the 84th percentile of all GPUs. This gap defines every workload analysis that follows.

Balance and Bottleneck

The benchmark data reveals a severe imbalance between the CPU and GPU. The Ryzen 5 7520C scores 7355 in Cinebench R23 multi-core and 1038 in single-core, placing it at the 46th percentile. The RTX 4090 Mobile, by contrast, sits at the 84th percentile with a Passmark G3D score of 27212. In GPU-bound workloads like high-resolution rendering or compute-heavy tasks, the RTX 4090 Mobile will dominate the frame delivery, but the CPU’s modest multi-core throughput will cap performance in any scenario where the engine must process game logic, physics, or AI. The deltaPct values from nearestRivals reinforce this: the CPU is essentially tied with the Intel Core i7-1160G7 (0.2% faster) and the AMD Ryzen 3 5300U (0.4% slower), meaning the 7520C is a mid-pack mobile processor, not a high-end compute part.

For gaming, the bottleneck is almost always the CPU in CPU-bound titles or at lower resolutions where the GPU has headroom. The RTX 4090 Mobile’s 32.98 TFLOPS of FP32 compute and 576.0 GB/s of memory bandwidth can push enormous frame rates, but the 7520C’s 4 cores and 4 MB of shared L3 cache will limit how fast the game can submit draw calls and update entities. Conversely, in GPU-bound scenarios at 4K or with ray tracing enabled, the GPU becomes the limiting factor, and the CPU’s weakness is masked. The data suggests that any workload that scales with core count—like video encoding, multi-threaded rendering, or software compilation—will see the CPU as the primary constraint, while pure rasterization at high resolutions will lean on the GPU.

The FPS scaling evidence, though not measured, follows from the scores: at 1080p, the CPU will likely hold back the RTX 4090 Mobile in many titles; at 4K, the GPU’s workload rises and the CPU’s relative impact shrinks. The combined percentile of 65 for this build reflects a system that is more capable than the CPU alone but far from the GPU’s peak potential.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the AD103 chip using TSMC’s 5 nm process, with 45,900 million transistors on a 379 mm² die. It features 9728 shading units, 304 TMUs, and 112 ROPs, along with 76 RT cores and 304 tensor cores. The memory subsystem consists of 16 GB of GDDR6 on a 256-bit bus, delivering 576.0 GB/s of bandwidth. Clocks run at a 1335 MHz base and 1695 MHz boost, with memory at 2250 MHz (18 Gbps effective). The pixel rate is 189.8 GPixel/s and texture rate is 515.3 GTexel/s, while FP32 and FP16 both reach 32.98 TFLOPS (1:1 ratio).

Benchmark results show a Geekbench OpenCL score of 180831 and Vulkan score of 170774, with a Passmark G3D score of 27212. The GPU’s 84th percentile ranking places it above the NVIDIA RTX 5050 Mobile (0.9% faster) and the Quadro M6000 (0.8% faster), but slightly below the RTX A6000 (0.9% faster). The Passmark DirectX scores are telling: DX11 at 262, DX10 at 173, and DX12 at 107, while DX9 scores 310. These numbers indicate strong raw compute but mixed API-specific efficiency—the DX12 score is notably lower than DX11, which may imply driver overhead or architectural quirks in certain workloads.

For rendering, the 76 RT cores provide hardware-accelerated ray tracing, and the 304 tensor cores enable DLSS and AI-based features. The 16 GB VRAM is ample for large textures and high-resolution assets, and the 576.0 GB/s bandwidth supports heavy data movement. The GPU’s TDP is 120 W, and it uses PCIe 4.0 x16. The pixel and texture rates suggest it can handle 4K rasterization and moderate ray tracing, but the CPU bottleneck in this pairing will prevent the GPU from reaching its full potential in many real-world scenarios.

Usage Scenarios

High-refresh gaming: At 1080p or 1440p, the RTX 4090 Mobile can theoretically output very high frame rates, but the Ryzen 5 7520C’s single-core score of 1038 in Cinebench R23 and its 46th percentile ranking will likely bottleneck CPU-bound titles. The data suggests you’ll see high GPU utilization in graphically intense scenes, but frame pacing may suffer in games that rely on single-threaded logic.

Streaming: The CPU’s 4 cores and 8 threads are insufficient for software encoding while gaming, as multi-core Cinebench R23 score of 7355 is modest. However, the RTX 4090 Mobile’s 304 tensor cores and NVENC hardware (implied by the architecture, though not explicitly listed) can offload encoding, making streaming viable if the GPU handles the encode. The 16 GB VRAM prevents memory pressure during simultaneous game and stream.

Video editing: Timeline scrubbing and effects rendering will benefit from the GPU’s 32.98 TFLOPS and 16 GB VRAM, but export times will be limited by the CPU’s multi-core throughput. The 7355 Cinebench R23 multi-core score is below many desktop processors, so 4K exports will be slower than a workstation with a stronger CPU.

3D rendering: GPU-based renderers (e.g., Octane, Redshift) will see excellent performance from the RTX 4090 Mobile’s 76 RT cores and 32.98 TFLOPS, with the 16 GB VRAM handling complex scenes. CPU-based rendering will be slow due to the 4-core/8-thread configuration and 4 MB L3 cache.

Software development: Compilation and unit testing are heavily multi-threaded, and the 7520C’s multi-core score of 7355 (Cinebench R23) is below many competing mobile processors, as evidenced by its near-tie with the Intel Core i7-1160G7 (0.2% delta) and the Ryzen 3 5300U (0.4% delta). Expect longer build times for large codebases.

Student and office work: The CPU’s 46th percentile and the overall 65th percentile combined rank mean this is overkill for word processing, spreadsheets, or web browsing. The Radeon 610M integrated graphics (in the CPU) would suffice for office tasks, but the RTX 4090 Mobile draws 120 W, which is wasteful for such workloads.

Who Should Build It

This pairing targets users who need maximum GPU compute in a mobile form factor but are willing to accept a modest CPU. Gamers at 4K resolution will benefit most, as the GPU’s 576.0 GB/s bandwidth and 16 GB VRAM handle high-resolution textures, and the CPU bottleneck is less pronounced. Content creators working with GPU-accelerated renders (e.g., Blender cycles with OptiX) will see strong performance from the 76 RT cores, but video editors relying on CPU encoding will be disappointed. Developers who run GPU-accelerated machine learning (using the 304 tensor cores) may find the RTX 4090 Mobile useful, but compilation-heavy workflows will struggle. Students and office workers are poorly served—this is a workstation-class GPU mated to a low-power CPU, which makes no sense for document editing. Small business workstations that run CUDA-based applications (e.g., simulation, data science) could benefit, provided the software is GPU-bound and doesn’t require strong single-threaded CPU performance.

Upgrade Path and Platform

The CPU uses AMD Socket FT6, a mobile-only socket with no upgrade path—it is soldered and not interchangeable. Memory support is limited to LPDDR5 in dual-channel configuration, providing 88.0 GB/s of bandwidth, which is fixed and cannot be upgraded. The CPU’s PCIe is Gen 3 with only 4 lanes, while the GPU uses PCIe 4.0 x16, so the CPU’s limited lanes may constrain data transfer in some workloads, though the impact is likely small for gaming. The GPU’s TDP is 120 W, and the CPU’s TDP is 15 W, so the total system power draw is modest by desktop standards, but the laptop must have adequate cooling. The suggestedPsu field is null, so no PSU headroom guidance is available, but the 120 W GPU plus 15 W CPU suggests a typical gaming laptop power brick. A sensible next upgrade would be a stronger CPU with more cores and higher clocks, but that requires a new motherboard and socket, which is not feasible in this form factor. The GPU is also soldered, so the entire laptop would need replacement to improve either component.

Gaming Performance

No measured FPS rows exist for this exact combination, so all frame rates below are estimates derived from the benchmark scores. The RTX 4090 Mobile’s Passmark G3D score of 27212 and 84th percentile ranking indicate it can run most modern titles at 4K with high settings, but the CPU’s 46th percentile and single-core score of 1038 (Cinebench R23) will limit frame rates in CPU-bound games. At 1080p, expect the CPU to bottleneck, potentially halving the GPU’s potential frame output in titles like esports or open-world games. At 1440p, the balance improves, but the CPU may still hold back maximum FPS. At 4K, the GPU becomes the primary limiter, and the system can deliver near-GPU-maximum performance. The 16 GB VRAM ensures no texture-related stutters at 4K. The FP32 throughput of 32.98 TFLOPS supports high frame rates in rasterized titles, while the 76 RT cores enable ray tracing, though performance will vary by title and resolution. The pixel rate of 189.8 GPixel/s is sufficient for 4K at high refresh rates in many games, but the CPU’s low thread count (4 cores) will cause frame drops in heavily multi-threaded game engines. Overall, treat these as estimates: the GPU is a top-tier mobile part, but the CPU is a limiting factor in most gaming scenarios.

Benchmark Performance

The CPU’s benchmark scores are: Cinebench R15 multi-core 741 and single-core 104; R20 multi-core 3089 and single-core 435; R23 multi-core 7355 and single-core 1038. The average benchmark score is 2127, placing it at the 46th percentile. Nearest rivals include the Intel Core i7-1160G7 (avg 2124, 0.2% faster), the Intel Atom C5125 (avg 2122, 0.3% faster), the AMD Ryzen 3 5300U (avg 2135, 0.4% slower), and the Intel Core i5-9400T (avg 2136, 0.4% slower). This places the 7520C in the lower-mid range of mobile CPUs.

The GPU’s scores are: Geekbench OpenCL 180831, Vulkan 170774, Passmark G3D 27212, and Passmark GPU Compute 12347. The average benchmark score is 43667, at the 84th percentile. Nearest rivals are the NVIDIA Quadro M6000 (43301, 0.8% faster), the RTX 5050 Mobile (43268, 0.9% faster), the Quadro M6000 24 GB (43262, 0.9% faster), and the RTX A6000 (44075, 0.9% slower). The GPU is clearly a high-end part, but its DX12 Passmark score of 107 is surprisingly low relative to DX11’s 262, suggesting API-specific optimization issues.

The combined percentile for this build is 65, meaning the system outperforms 65% of all configurations, but the gap between the CPU (46th percentile) and GPU (84th percentile) is stark. The GPU’s average score is 20.5 times higher than the CPU’s average (43667 vs. 2127), which is an extreme imbalance not seen in balanced builds.

FAQ

Q: What is the CPU’s multi-core performance compared to its nearest rival?

A: The Ryzen 5 7520C scores 7355 in Cinebench R23 multi-core. Its average benchmark score is 2127, which is 0.2% higher than the Intel Core i7-1160G7 and 0.4% lower than the AMD Ryzen 3 5300U.

Q: How much VRAM does the RTX 4090 Mobile have?

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

Q: Is the CPU or GPU the stronger component in this build?

A: The GPU is significantly stronger. The RTX 4090 Mobile sits at the 84th percentile among all GPUs, while the CPU is at the 46th percentile. The GPU’s average benchmark score is 43667, while the CPU’s is 2127.

Q: What is the CPU’s architecture and process node?

A: The CPU is based on Zen 2 architecture (codenamed Mendocino) and is manufactured on a 6 nm process by TSMC, with a die size of 100 mm².

Q: Does the GPU support ray tracing?

A: Yes, the RTX 4090 Mobile includes 76 RT cores as part of its Ada Lovelace architecture, with DirectX 12 Ultimate (12_2) support.

Q: What memory type does the CPU support?

A: The CPU supports LPDDR5 memory in dual-channel configuration, with a memory bandwidth of 88.0 GB/s.

Q: What is the combined performance percentile of this build?

A: The build’s combined percentile is 65, meaning it outperforms 65% of all recorded systems, though the CPU is the limiting factor.

CPU Analysis

The AMD Ryzen 5 7520C is a 4-core, 8-thread processor from the 7000 series, based on Zen 2 architecture (codenamed Mendocino). It operates at a base clock of 2.80 GHz and boosts to 4.30 GHz, with a TDP of 15 W. The process node is 6 nm at TSMC, with a die size of 100 mm². Cache consists of 64 KB L1 per core, 512 KB L2 per core, and 4 MB shared L3. The integrated graphics are Radeon 610M, and the CPU supports dual-channel LPDDR5 memory with 88.0 GB/s bandwidth. PCIe is Gen 3 with 4 lanes (CPU only). It uses AMD Socket FT6 and was released on May 22, 2023, with production status active.

Benchmark scores reveal the CPU’s positioning: Cinebench R23 multi-core is 7355 and single-core is 1038, while R20 scores are 3089 and 435, and R15 scores are 741 and 104. The average benchmark score is 2127, placing it at the 46th percentile. Its nearest rivals are all within 0.4% of its average score, indicating it is a mid-pack mobile processor. For real workloads, the 4 cores and 8 threads limit multi-threaded performance—the 7355 R23 multi-core score is roughly half of what a modern 8-core laptop CPU would achieve, though no such comparison is in the FACT PACK. The single-core score of 1038 is adequate for everyday tasks but below many competitors. The 4 MB L3 cache is small, which will increase memory latency in cache-sensitive workloads. The 15 W TDP suggests it is designed for thin-and-light laptops, not high-performance systems, making the pairing with a 120 W RTX 4090 Mobile unusual. The CPU’s memory bandwidth of 88.0 GB/s is sufficient for its core count, but the GPU’s 576.0 GB/s is in a different class, further highlighting the imbalance. For CPU-bound tasks like compiling, rendering, or encoding, this processor will be the clear bottleneck, while GPU-bound tasks will run at near-full speed.