SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 7645HX + NVIDIA GeForce RTX 4080 Mobile

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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93 Score

Top 7% Ranking

93 / 100

ULTIMATE READY

Apex Performer

Top 7% 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

90%

GPU

95%

PROCESSOR

AMD Ryzen 5 7645HX

33,668 Benchmark Score

Top 10% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 4080 Mobile

38,135 Benchmark Score

Top 5% 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

# AMD Ryzen 5 7645HX + NVIDIA GeForce RTX 4080 Mobile: A High-End Laptop Powerhouse

This pairing combines AMD's 6-core Zen 4 mobile processor with NVIDIA's top-tier Ada Lovelace laptop GPU, creating a system that ranks in the 83rd percentile overall. The CPU sits at the 84th percentile among all processors, while the GPU holds the 81st percentile among all graphics cards, making this a consistently high-performing combination for demanding mobile workloads. The data shows a laptop-class platform where both major components deliver near-flagship performance without requiring desktop power envelopes.

FAQ

Q: How does the Ryzen 5 7645HX compare to the Ryzen 7 8840HS in average benchmark score?

A: The two processors are effectively tied in average benchmark score. The Ryzen 5 7645HX scores 33,668, while the Ryzen 7 8840HS scores 33,667, a delta of 0%. This means the older Dragon Range chip matches the newer Hawk Point processor despite having fewer cores.

Q: What is the GPU's percentile ranking among all graphics cards?

A: The RTX 4080 Mobile sits at the 81st percentile of all GPUs. Its Passmark G3D score of 24,926 places it just ahead of the desktop RTX 4070, which scores 37,648 in average benchmark but trails by 1.3% in direct comparison.

Q: Does the RTX 4080 Mobile outperform the RTX 5080 Mobile?

A: The data shows the opposite. The RTX 5080 Mobile has an average benchmark score of 38,349, which is 0.6% higher than the RTX 4080 Mobile's 38,135. The older card trails by a small but measurable margin.

Q: What memory bandwidth does the GPU provide?

A: The RTX 4080 Mobile delivers 432.0 GB/s of bandwidth through a 192-bit bus with 12 GB of GDDR6 memory running at 18 Gbps effective speed. This is substantially higher than typical mid-range laptop GPUs.

Q: Is the CPU's single-threaded performance competitive with modern chips?

A: The Ryzen 5 7645HX scores 1,809 in Cinebench R23 single-core and 3,907 in Passmark single-thread. These figures place it comfortably in the upper tier for mobile processors, though the 84th percentile ranking indicates some newer chips do pull ahead.

Q: What is the processor's architecture and manufacturing process?

A: The Ryzen 5 7645HX uses Zen 4 architecture on TSMC's 5 nm process node. It features 6 cores and 12 threads with a base clock of 4.00 GHz and boost clock of 5.00 GHz, built on the Dragon Range codename.

Q: How does the GPU compare to the GeForce MX570 in average benchmark score?

A: The RTX 4080 Mobile scores 38,135 on average, while the MX570 scores 38,299. The MX570 holds a 0.4% advantage, though this is well within normal variance and the RTX 4080 Mobile is clearly the more capable part for gaming workloads.

Usage Scenarios

High-Refresh Gaming: The RTX 4080 Mobile's Passmark G3D score of 24,926 and DirectX 12 score of 96 indicate strong raw graphics throughput. Combined with the CPU's 5.00 GHz boost capability, this system can realistically drive high-refresh 1440p panels in most titles, though the lack of measured FPS data means exact frame rates at 240Hz+ remain estimates.

Streaming: The GPU's 232 tensor cores and 58 RT cores provide dedicated hardware for encoding and AI-enhanced features. The CPU's Passmark data encryption score of 17,900 and extended instructions score of 22,969 suggest sufficient headroom for simultaneous encoding and gaming, though the 6-core/12-thread configuration may require careful settings management.

Video Editing: The combination of the GPU's 24.72 TFLOPS FP32 performance and the CPU's Cinebench R23 multi-core score of 13,985 creates a capable editing workstation. The 12 GB VRAM allows for moderate timeline complexity, while the 432.0 GB/s memory bandwidth handles 4K footage reasonably well.

3D Rendering: The GPU's Passmark compute score of 11,191 and the CPU's multi-threaded scores indicate this system can handle Blender or similar workloads, but it is not a dedicated render farm. The 6-core CPU will be the bottleneck in CPU-based rendering, while GPU rendering leverages the Ada Lovelace architecture effectively.

Software Development: The CPU's Geekbench multi-core score of 11,586 and single-core score of 2,657 provide strong compilation performance. Passmark integer math score of 77,432 and floating point math of 48,798 suggest efficient code execution, making this suitable for local builds and testing.

Student and Office Work: This configuration is significantly overpowered for typical productivity tasks. The CPU's Passmark single-thread score of 3,907 ensures snappy application responsiveness, while the GPU's 81st percentile ranking means even demanding visualization software runs smoothly. Battery life is not detailed in the data, but the 45W CPU TDP and 110W GPU TDP suggest this is not an efficiency-focused machine.

GPU Analysis

The NVIDIA GeForce RTX 4080 Mobile uses the AD104 chip built on TSMC's 5 nm process with 35,800 million transistors on a 294 mm² die. The GPU contains 7,424 shading units, 232 texture mapping units, and 80 raster output units. Clock speeds are set at 1,290 MHz base and 1,665 MHz boost, producing a pixel rate of 133.2 GPixel/s and texture rate of 386.3 GTexel/s.

Memory configuration consists of 12 GB of GDDR6 on a 192-bit bus, yielding 432.0 GB/s bandwidth. This is a high-bandwidth design that supports 1440p and entry-level 4K gaming. The 58 RT cores and 232 tensor cores provide hardware acceleration for ray tracing and DLSS, respectively. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, ensuring compatibility with modern graphics APIs.

Benchmark results show a Passmark G3D score of 24,926, placing it at the 81st percentile. The Geekbench OpenCL score of 159,575 and Vulkan score of 145,807 indicate strong compute capability. DirectX 11 and DirectX 9 scores are 244 and 286 respectively, while DirectX 12 scores 96. The GPU's average benchmark score of 38,135 puts it within 0.6% of the RTX 5080 Mobile and 1.3% ahead of the desktop RTX 4070. The Passmark compute score of 11,191 reflects substantial parallel processing power for rendering and compute workloads.

Gaming Performance

No measured FPS data exists for this exact CPU-GPU combination. All frame rate expectations are estimates derived from the benchmark scores. The GPU's 81st percentile ranking and the CPU's 84th percentile ranking suggest high-performance gaming capability.

At 1080p, the RTX 4080 Mobile should deliver very high frame rates in most titles. The DirectX 11 score of 244 and DirectX 12 score of 96 indicate strong performance in modern APIs, though these relative scores suggest DirectX 11 titles may run particularly well. The GPU's 133.2 GPixel/s pixel rate supports high resolution rendering without fill-rate bottlenecks.

At 1440p, the combination of 432.0 GB/s memory bandwidth and 24.72 TFLOPS FP32 performance should maintain high settings with good frame rates. The 12 GB VRAM provides adequate capacity for current game textures. Ray tracing workloads will benefit from the 58 RT cores, though performance will vary significantly by title and settings.

At 4K, this system will likely require DLSS or reduced settings for demanding titles. The GPU's bandwidth and compute are sufficient for entry-level 4K, but the 192-bit bus and 12 GB VRAM may limit ultra-high texture quality in the most demanding games. The CPU's 5.00 GHz boost clock helps prevent CPU-bound frame drops at lower resolutions.

Balance and Bottleneck

The CPU and GPU are well matched for most workloads. The Ryzen 5 7645HX scores at the 84th percentile among all CPUs, while the RTX 4080 Mobile sits at the 81st percentile among all GPUs. This alignment means neither component dramatically outperforms the other in overall capability.

In CPU-intensive workloads like physics calculations, the Passmark physics score of 1,497 and find prime numbers score of 178 indicate the processor is the limiting factor. The 6-core/12-thread configuration caps multi-threaded performance at a level below the GPU's compute capabilities. Passmark multithread score of 26,476 and Cinebench R23 multi-core score of 13,985 quantify this ceiling.

For GPU-heavy tasks like gaming at high resolutions, the RTX 4080 Mobile becomes the primary driver. The GPU's 24,926 G3D score and 11,191 compute score show it can handle demanding graphics work, but the CPU's single-thread performance must keep pace. The 3,907 Passmark single-thread score and 1,809 Cinebench R23 single-core score suggest adequate headroom for most scenarios.

In mixed workloads like streaming while gaming, the system may experience contention. The CPU's 12 threads must handle game logic, encoding, and background tasks simultaneously. Data compression score of 302,256 and random string sorting score of 34,434 show solid throughput, but the 45W TDP limits sustained multi-core performance.

Who Should Build It

Gamers targeting 1440p at high refresh rates will find this system well-suited. The GPU's 81st percentile ranking and 12 GB VRAM provide ample headroom for current titles, while the CPU's strong single-thread performance prevents common bottlenecks. Users with 1080p 240Hz+ displays can expect extremely high frame rates in esports titles.

Content creators working with video editing and motion graphics will benefit from the combination of CUDA acceleration and 12 GB VRAM. The GPU's 24.72 TFLOPS FP32 and tensor cores accelerate effects and exports, while the CPU's 13,985 Cinebench R23 multi-core score handles timeline operations. 4K editing is feasible with proxy workflows.

Software developers compiling large codebases will appreciate the CPU's 5.00 GHz boost clock and 32 MB shared L3 cache. The Passmark integer math score of 77,432 indicates strong arithmetic throughput, while the 83.2 GB/s memory bandwidth supports parallel build processes. The 84th percentile CPU ranking ensures responsive multitasking.

Students and office workers will find this system overpowered but capable. The 12 threads handle document editing, web browsing, and virtual meetings simultaneously without strain. The integrated Radeon 610M provides basic graphics when the discrete GPU is idle, though the system's 110W GPU TDP means this is not an ultraportable productivity machine.

Small business workstations requiring GPU acceleration for CAD, data visualization, or machine learning will meet their needs. The GPU's 232 tensor cores support AI inference workloads, while the 58 RT cores enable realistic rendering. The 83rd combined percentile ranking confirms this as a high-tier professional mobile platform.

Benchmark Performance

The CPU achieves a Cinebench R23 multi-core score of 13,985 and single-core score of 1,809. Geekbench results show 11,586 multi-core and 2,657 single-core. Passmark tests reveal a multithread score of 26,476, single-thread score of 3,907, integer math score of 77,432, and floating point math score of 48,798. The average benchmark score is 33,668, placing this processor at the 84th percentile.

The GPU scores 24,926 in Passmark G3D, 11,191 in GPU compute, 159,575 in Geekbench OpenCL, and 145,807 in Geekbench Vulkan. DirectX tests show 157 in DirectX 10, 244 in DirectX 11, 96 in DirectX 12, and 286 in DirectX 9. The average benchmark score of 38,135 puts this GPU at the 81st percentile.

Combined, this system ranks at the 83rd percentile among all builds. The CPU's nearest rivals are the AMD Ryzen 7 8840HS (0% delta), AMD Ryzen 9 3900XT (-0.2%), AMD Ryzen 5 240 (0.4%), and Intel Core Ultra 7 255H (0.4%). The GPU's nearest rivals include the NVIDIA GeForce MX570 (-0.4%), RTX 5080 Mobile (-0.6%), RTX 4070 (1.3%), and Tesla P4 (1.3%). These tight margins indicate the system performs at the upper boundary of its component class.

Build Overview

This is a laptop-class build combining the AMD Ryzen 5 7645HX with the NVIDIA GeForce RTX 4080 Mobile. The CPU is a 6-core, 12-thread Zen 4 processor from the Dragon Range series, released in January 2023. The GPU is an Ada Lovelace architecture part with 7,424 shading units, released in January 2023 as well.

The combined 83rd percentile ranking places this system in the upper tier of laptop configurations. The CPU's 84th percentile and GPU's 81st percentile are closely aligned, creating a balanced platform. The 45W CPU TDP and 110W GPU TDP indicate a performance-focused laptop design rather than an efficiency-oriented ultrabook.

This pairing represents a high-end mobile gaming and content creation platform. The 6-core CPU provides sufficient multi-threading for modern workloads, while the RTX 4080 Mobile delivers desktop-class graphics performance in a portable form factor. The system's 83rd combined percentile confirms it outperforms the vast majority of laptops currently available.

CPU Analysis

The AMD Ryzen 5 7645HX is a 6-core, 12-thread processor based on Zen 4 architecture with the Dragon Range codename. It operates at a base clock of 4.00 GHz and boosts to 5.00 GHz, built on TSMC's 5 nm process with 6,570 million transistors on a 71 mm² die. The CPU supports DDR5 memory in dual-channel configuration with 83.2 GB/s bandwidth and includes ECC support.

Cache hierarchy consists of 64 KB L1 per core, 1 MB L2 per core, and 32 MB shared L3. The processor uses AMD Socket FL1 and provides PCIe Gen 5 with 28 lanes. Integrated Radeon 610M graphics provides basic display output. The 45W TDP allows for sustained performance in thin-and-light gaming laptops.

Benchmark scores show strong all-around performance. Cinebench R23 multi-core of 13,985 and single-core of 1,809 indicate robust rendering capability. Geekbench scores of 11,586 multi-core and 2,657 single-core confirm strong general-purpose compute. Passmark tests show particular strength in data compression (302,256), integer math (77,432), and floating point math (48,798). The 84th percentile ranking places this CPU among the top tier of all processors.

The nearest rival comparison shows this CPU matches the newer Ryzen 7 8840HS exactly in average score, despite having fewer cores. It trades blows with the Ryzen 9 3900XT and Ryzen 5 240, both within 0.4%. The Intel Core Ultra 7 255H also matches within 0.4%. This indicates the 7645HX delivers exceptional performance per core, leveraging its 5.00 GHz boost clock effectively.

Rate My PC: AMD Ryzen 5 7645HX + NVIDIA GeForce RTX 4080 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 5 7645HX

NVIDIA GeForce RTX 4080 Mobile

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

FAQ

Usage Scenarios

GPU Analysis

Gaming Performance

Balance and Bottleneck

Who Should Build It

Benchmark Performance

Build Overview

CPU Analysis

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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