SYSTEM ANALYZER

Rate My PC: AMD Ryzen 7 7840U + 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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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

87%

GPU

95%

PROCESSOR

AMD Ryzen 7 7840U

25,432 Benchmark Score

Top 13% 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 7 7840U + NVIDIA GeForce RTX 4080 Mobile

This laptop pairing combines AMD's 8-core Zen 4 mobile processor with NVIDIA's top-tier Ada Lovelace GPU, placing it in the 79th combined percentile across all CPU+GPU configurations in the database. The CPU holds a 77th percentile position among all processors, while the GPU sits at an 81st percentile among all graphics cards — a balanced high-end mobile setup. No measured FPS rows exist for this exact combination; all frame-rate discussion below is estimated from benchmark scores.

CPU Analysis

The AMD Ryzen 7 7840U is a Phoenix-class, Zen 4 architecture processor built on TSMC's 4 nm process. It packs 8 cores and 16 threads, with a base clock of 3.30 GHz and a boost clock of 5.10 GHz. The 28 W TDP classifies it as an ultra-low-power mobile part, yet its boost behavior and benchmark results suggest it can deliver desktop-class throughput when thermal headroom allows. The chip integrates 16 MB of shared L3 cache, 1 MB of L2 per core, and 64 KB of L1 per core, along with a Radeon 780M integrated GPU for light graphics tasks.

Single-threaded performance is strong: the Cinebench R23 single-core score of 1677.5 and Geekbench single-core score of 2077 indicate excellent responsiveness for everyday applications. The 3DMark single-thread score of 932 and Passmark single-thread score of 3565 reinforce this picture. In multi-threaded workloads, the 7840U shows its 8-core muscle with a Cinebench R23 multi-core score of 12719, a Geekbench multi-core score of 8766, and a 3DMark max-threads score of 5402. The 3DMark 16-thread score of 5427 nearly matches the max-threads result, suggesting the chip scales well up to its full thread count without significant diminishing returns.

The CPU's average benchmark score of 25432 places it virtually neck-and-neck with the Intel Core i7-11700KF (25423, 0% delta) and the AMD Ryzen 7 5825U (25446, -0.1% delta). It also edges out the AMD Ryzen 5 5600X3D (25365, 0.3% delta) and the AMD Ryzen 5 7640U (25485, -0.2% delta). This means the 7840U delivers desktop-level multi-threaded performance from a 28 W mobile package — a significant efficiency achievement. For real workloads, this translates to snappy compilation times, smooth 4K video editing timelines, and responsive multitasking with dozens of browser tabs and background applications.

Memory support includes dual-channel DDR5 with 89.6 GB/s bandwidth and ECC capability, which suits professional workloads that demand data integrity. The PCIe Gen 4 interface with 20 CPU lanes provides ample bandwidth for fast NVMe storage and the discrete GPU. Passmark scores for data encryption (17691), extended instructions (20432), and floating-point math (51767) indicate strong cryptographic and scientific computing performance, while the integer math score of 90852 and random string sorting score of 33757 show robust general-purpose processing power.

FAQ

Q: How does the Ryzen 7 7840U compare to the Intel Core i7-11700KF?

A: The two processors are essentially identical in average benchmark score, with the 7840U at 25432 and the i7-11700KF at 25423, a 0% delta. This is remarkable because the 7840U is a 28 W mobile chip while the i7-11700KF is a desktop processor.

Q: What is the CPU's single-thread performance like?

A: The 7840U scores 1677.5 in Cinebench R23 single-core, 2077 in Geekbench single-core, and 3565 in Passmark single-thread. These figures indicate excellent responsiveness for daily tasks and lightly-threaded applications.

Q: Does this CPU support ECC memory?

A: Yes, the 7840U supports ECC memory, making it suitable for workstations where data integrity is critical. It also supports dual-channel DDR5 memory with 89.6 GB/s bandwidth.

Q: What integrated graphics does the CPU include?

A: The 7840U includes a Radeon 780M integrated GPU. This allows basic display output and light graphics work even without the discrete RTX 4080 Mobile GPU active.

Q: How does the GPU compare to the RTX 4070 desktop card?

A: The RTX 4080 Mobile has an average benchmark score of 38135, which is 1.3% higher than the RTX 4070's 37648. This places the mobile 4080 slightly ahead of a desktop RTX 4070 in aggregate benchmarks.

Q: What is the CPU's transistor count and die size?

A: The 7840U contains 25,000 million transistors on a 178 mm² die, manufactured on TSMC's 4 nm process. This density enables the high performance per watt that the chip demonstrates.

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

A: The CPU provides 20 PCIe Gen 4 lanes. This supports high-bandwidth connections for the discrete GPU and fast NVMe storage devices.

Usage Scenarios

High-refresh gaming: The RTX 4080 Mobile's Passmark G3D score of 24926 and DirectX 12 score of 96 indicate strong raw graphics throughput. The CPU's single-thread score of 1677.5 in Cinebench R23 ensures game logic and physics calculations keep pace. This pairing should drive high-refresh 1440p panels well, with the GPU as the primary bottleneck in most titles.

Streaming: The GPU's 232 tensor cores and 58 RT cores support hardware-accelerated encoding and ray tracing. The CPU's 16 threads handle encoding overhead and chat applications simultaneously, with the Passmark multi-thread score of 24782 indicating ample headroom for concurrent workloads.

Video editing: The CPU's Cinebench R23 multi-core score of 12719 and Geekbench multi-core of 8766 provide strong timeline rendering and export performance. The GPU's 432.0 GB/s memory bandwidth and 24.72 TFLOPS FP32 compute accelerate effects, color grading, and preview rendering. This combination suits 4K multi-track editing workflows.

3D rendering: The GPU's 7424 shading units and 232 texture mapping units deliver substantial rasterization throughput, while the CPU's 16 threads handle scene preparation and physics simulations. The GPU's Geekbench OpenCL score of 159575 indicates strong compute capability for GPU-accelerated renderers.

Software development: The CPU's 8 cores and 16 threads compile code efficiently, with the Passmark integer math score of 90852 showing strong performance for build processes. The 89.6 GB/s memory bandwidth reduces cache misses during large project builds, and the ECC memory support adds reliability for long compile sessions.

Student and office work: The 28 W TDP enables long battery life, while the CPU's single-thread performance handles document editing and web browsing effortlessly. The integrated Radeon 780M provides display output without engaging the discrete GPU, preserving battery for productivity tasks.

Gaming Performance

The FACT PACK contains no measured FPS rows for this exact CPU+GPU combination, so all frame-rate figures below are estimates derived from the benchmark scores. The RTX 4080 Mobile's Passmark G3D score of 24926 places it in the 81st percentile among all GPUs, indicating strong 1440p and capable 4K gaming performance. The CPU's 3DMark single-thread score of 932 and 2-thread score of 1729 suggest it can feed the GPU adequately in most titles.

At 1080p resolution with ultra settings, the GPU's 24.72 TFLOPS FP32 compute and 133.2 GPixel/s pixel rate should sustain high frame rates in esports titles and demanding AAA games alike. The CPU's Passmark physics score of 1256 and floating-point math score of 51767 indicate robust game physics processing. At 1440p ultra, the GPU's 386.3 GTexel/s texture rate and 432.0 GB/s memory bandwidth become the primary performance drivers, with the CPU providing sufficient single-thread headroom.

For 4K gaming, the GPU's 12 GB GDDR6 memory on a 192-bit bus provides 432.0 GB/s bandwidth — adequate for high-resolution textures but potentially limiting at maximum settings in VRAM-heavy titles. The DirectX 12 Ultimate support with API level 12_2 ensures compatibility with current and upcoming game engines. Overall, this pairing should deliver smooth 60+ FPS at 1440p ultra in most titles, with 4K performance varying by game optimization.

Balance and Bottleneck

The combined percentile of 79 indicates this pairing is well-matched overall, but the data reveals workload-dependent bottleneck behavior. In CPU-light, GPU-heavy scenarios like 4K gaming, the GPU's 81st percentile position dominates, and the CPU's 77th percentile is sufficient to avoid holding back frame rates. The GPU's nearest rival, the RTX 5080 Mobile (38349, -0.6% delta), shows the 4080 Mobile is near the top of its class, while the CPU's rivalry with desktop parts like the i7-11700KF confirms it is not a weak link.

In multi-threaded productivity workloads, the CPU's 16 threads become the limiting factor. The Cinebench R23 multi-core score of 12719, while impressive for a 28 W part, lags behind high-core-count desktop processors. The GPU's compute performance, evidenced by the Passmark GPU compute score of 11191, can accelerate some workloads (rendering, machine learning inference) but not others (compilation, spreadsheet processing) where the CPU alone is responsible.

Memory bandwidth presents a potential bottleneck for both components. The CPU's 89.6 GB/s DDR5 bandwidth and the GPU's 432.0 GB/s GDDR6 bandwidth are sufficient for current workloads but may limit future titles or applications demanding higher throughput. The 3DMark scaling from 4 threads (3029) to 8 threads (4583) to 16 threads (5427) shows the CPU benefits from additional threads, meaning heavily-threaded workloads will be CPU-bound. Conversely, the GPU's DirectX 12 score of 96 versus DirectX 11's 244 suggests the GPU scales well with modern APIs, favoring GPU-bound scenarios.

Who Should Build It

1440p gamers will find this pairing ideal, as the GPU's 81st percentile position and the CPU's strong single-thread performance create a balanced platform for high-refresh gaming without CPU bottlenecks. The GPU's 12 GB VRAM handles modern texture sets at this resolution.

Content creators working with 4K video or complex 3D scenes benefit from the combination of 16 CPU threads and the GPU's 24.72 TFLOPS compute. The CPU's Cinebench R23 score of 12719 handles export rendering, while the GPU accelerates effects and previews.

Software developers compiling large codebases will appreciate the CPU's 8 cores and 16 threads, with Passmark integer math of 90852 indicating strong build performance. The ECC memory support adds reliability for long-running builds.

Students and professionals needing a portable workstation benefit from the 28 W CPU TDP, which enables extended battery life for lectures and meetings, while the discrete GPU provides occasional gaming or rendering capability when plugged in.

Small business workstations requiring both CPU throughput for office applications and GPU acceleration for design or data visualization tasks will find this pairing versatile. The CPU's Passmark multi-thread score of 24782 handles concurrent office workloads, while the GPU accelerates any graphics-intensive tasks.

Benchmark Performance

The CPU's average benchmark score of 25432 places it at the 77th percentile among all processors. Its nearest rivals are the Intel Core i7-11700KF (25423, 0% delta), AMD Ryzen 7 5825U (25446, -0.1% delta), AMD Ryzen 5 7640U (25485, -0.2% delta), and AMD Ryzen 5 5600X3D (25365, 0.3% delta). This clustering indicates the 7840U delivers desktop-equivalent performance despite its mobile 28 W TDP. Key CPU scores include Cinebench R23 multi-core at 12719, single-core at 1677.5, Geekbench multi-core at 8766, single-core at 2077, and Passmark multi-thread at 24782.

The GPU's average benchmark score of 38135 places it at the 81st percentile among all GPUs. Its nearest rivals are the NVIDIA GeForce MX570 (38299, -0.4% delta), NVIDIA GeForce RTX 5080 Mobile (38349, -0.6% delta), NVIDIA GeForce RTX 4070 (37648, 1.3% delta), and NVIDIA Tesla P4 (37628, 1.3% delta). The GPU's Passmark G3D score of 24926, Geekbench OpenCL score of 159575, and Geekbench Vulkan score of 145807 demonstrate strong graphics and compute performance. The combined pairing achieves a 79th percentile position, indicating these two components complement each other well without one significantly bottlenecking the other.

Upgrade Path and Platform

The CPU uses AMD Socket FP8, a mobile-specific socket that is not upgradeable in the traditional sense — the processor is typically soldered to the motherboard. The platform supports dual-channel DDR5 memory with ECC capability, and the CPU provides 20 PCIe Gen 4 lanes for storage and GPU connectivity. The GPU connects via PCIe 4.0 x16 and has a 110 W TDP, with no suggested PSU listed since this is a laptop component with power delivery handled by the system's adapter.

A sensible next upgrade for this platform would be increasing memory capacity or speed within the DDR5 standard, as the 89.6 GB/s bandwidth is a potential limitation for heavily-threaded workloads. Storage upgrades to PCIe Gen 4 NVMe drives would take full advantage of the CPU's 20 lanes. The GPU's 12 GB VRAM may become limiting for future 4K textures; however, since this is a laptop build, GPU upgrades are not feasible. The platform's overall longevity depends on DDR5 memory availability and the CPU's 16 threads remaining competitive — the 7840U's performance parity with desktop parts suggests it will remain relevant for several years.

Build Overview

This is a laptop-class build (buildClass: "laptop") pairing the AMD Ryzen 7 7840U with the NVIDIA GeForce RTX 4080 Mobile. The CPU is an 8-core, 16-thread Zen 4 (Phoenix) processor on a 4 nm TSMC process with a 28 W TDP, while the GPU is an Ada Lovelace architecture part on a 5 nm process with a 110 W TDP. The combined percentile of 79 places this configuration in the upper tier of all recorded pairings, with the GPU slightly outranking the CPU in percentile position (81 vs 77).

This pairing represents a high-end mobile workstation and gaming platform. The CPU's desktop-comparable multi-threaded performance (Cinebench R23 multi-core 12719) and the GPU's strong compute capability (24.72 TFLOPS FP32) make it suitable for demanding professional workloads, while the GPU's 81st percentile ranking ensures excellent gaming performance. The 28 W CPU TDP enables reasonable battery life for a machine with this performance class, and the 12 GB GDDR6 GPU memory provides adequate capacity for current-generation games and creative applications. Overall, this is a well-balanced, high-tier laptop configuration for users who need both CPU and GPU horsepower in a portable form factor.

Rate My PC: AMD Ryzen 7 7840U + NVIDIA GeForce RTX 4080 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 7 7840U

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

CPU Analysis

FAQ

Usage Scenarios

Gaming Performance

Balance and Bottleneck

Who Should Build It

Benchmark Performance

Upgrade Path and Platform

Build Overview

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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