SYSTEM ANALYZER

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

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Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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92 Score

Top 8% Ranking

92 / 100

ULTIMATE READY

Apex Performer

Top 8% 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

89%

GPU

95%

PROCESSOR

AMD Ryzen 7 7840H

29,868 Benchmark Score

Top 11% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 4080 Mobile

38,135 Benchmark Score

Top 5% Market Ranking

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Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

Your Build

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Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

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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 7840H + NVIDIA GeForce RTX 4080 Mobile: A High-Performance Laptop Duo

This build pairs AMD's 8-core Zen 4 Phoenix processor with NVIDIA's Ada Lovelace flagship mobile GPU, landing in the 81st percentile across all CPU and GPU combinations. The data shows a balanced high-end laptop configuration where both components sit at the same tier—each achieving an 81st percentile ranking versus all CPUs and GPUs respectively. While no measured frame rate data exists for this exact pairing, the synthetic benchmark scores paint a clear picture of a system capable of demanding workloads, from 3D rendering to high-refresh gaming, with the CPU's 23,731 Cinebench R23 multi-core score and the GPU's 24.92k Passmark G3D result anchoring the performance profile.

CPU Analysis

The AMD Ryzen 7 7840H is built on the Zen 4 architecture (codename Phoenix) using TSMC's 4 nm process, packing 8 cores and 16 threads into a 178 mm² die with 25,000 million transistors. The CPU operates with a 3.80 GHz base clock and a 5.10 GHz boost clock, drawing a 35 W TDP—a figure that places it in the efficient high-performance mobile segment. The cache hierarchy includes 64 KB L1 per core, 1 MB L2 per core, and 16 MB of shared L3, which supports the thread scheduling demands of its 16-thread workload.

Benchmark results show a processor that scales well with thread count. The 3DMark suite demonstrates this progression: 1,906 in the 2-thread test, 3,638 in 4-thread, 6,116 in 8-thread, and 7,409 at max threads, with the 16-thread score of 7,461 nearly matching the max-thread result. This pattern indicates efficient utilization of all 16 threads with minimal overhead. The single-thread score of 976 in 3DMark and 3,350 in Cinebench R23 single-core reveal strong per-core performance, a hallmark of Zen 4's IPC improvements.

Cinebench results confirm the multi-core capability: R15 multi-core scores 2,392, R20 hits 9,967, and R23 reaches 23,731. These figures suggest the 7840H competes directly with desktop-class processors from the previous generation, as evidenced by its nearest rival, the AMD Ryzen 7 5800XT, which scores 29,879 average—just 0% delta from the 7840H's 29,868 average benchmark score. The Ryzen 7 8845HS and 7840HS both sit at 29,955 (0.3% ahead), while the Ryzen 5 9600X trails at 29,713 (0.5% behind). This places the 7840H in a tight cluster of high-performance 8-core parts.

PassMark results add depth: multithread score of 27,919, single-thread of 3,641, integer math at 96,692, floating-point math at 58,724, and data compression at 341,520. The extended instructions score of 25,654 and encryption score of 20,162 indicate strong AVX-512 and cryptographic workload handling, while the physics score of 1,301 and prime number finding at 83 show more modest results in those specific tests. The 89.6 GB/s memory bandwidth from dual-channel DDR5 support ensures the CPU's cache misses do not starve the execution units.

For real workloads, the 7840H's 23,731 Cinebench R23 multi-core score translates to fast video encoding, compiler jobs, and 3D scene rendering. The single-core 3,350 score ensures responsive application launches and smooth UI interaction, while the 5.10 GHz boost clock helps latency-sensitive tasks. The integrated Radeon 780M GPU provides a fallback display output, though it is secondary to the discrete RTX 4080 in this build.

FAQ

Q: How does the Ryzen 7 7840H compare to its closest CPU rival, the Ryzen 7 5800XT?

A: The two are statistically tied. The 7840H has an average benchmark score of 29,868, while the 5800XT scores 29,879, a delta of 0%. This means the laptop CPU matches a desktop part from the prior generation in overall compute performance.

Q: What is the GPU's percentile ranking, and what does it mean?

A: The RTX 4080 Mobile sits in the 81st percentile of all GPUs, matching the CPU's 81st percentile. This alignment indicates both components are equally strong relative to their respective markets, reducing the likelihood of one bottlenecking the other.

Q: Does the CPU support ECC memory?

A: Yes, the Ryzen 7 7840H supports ECC memory, which is unusual for a mobile processor. This makes it suitable for workstations where data integrity in memory is critical, such as scientific computing or financial modeling.

Q: What is the GPU's memory bandwidth, and how does it affect performance?

A: The RTX 4080 Mobile has 432.0 GB/s of bandwidth from 12 GB of GDDR6 on a 192-bit bus. This bandwidth supports high-resolution textures and compute workloads, though it is lower than desktop RTX 4080 parts due to the mobile form factor.

Q: How does the CPU's boost clock of 5.10 GHz impact single-threaded performance?

A: The 5.10 GHz boost clock contributes to a Cinebench R23 single-core score of 3,350 and a PassMark single-thread score of 3,641. These results indicate strong performance in lightly-threaded tasks like web browsing, office applications, and legacy game engines.

Q: What is the process node for each component?

A: The CPU uses TSMC's 4 nm process, while the GPU uses TSMC's 5 nm process. The CPU's smaller node allows for 25,000 million transistors in a 178 mm² die, while the GPU packs 35,800 million transistors into a 294 mm² die.

Q: Are there any measured frame rates for this build?

A: No, the data contains no measured FPS rows for this exact CPU+GPU combination. All frame rate discussions are estimates based on synthetic benchmark scores, which should be treated as approximations rather than verified results.

Upgrade Path and Platform

The Ryzen 7 7840H uses AMD Socket FP8, a mobile-specific socket that is not upgradeable in the traditional desktop sense. Users are generally locked into the CPU soldered to the motherboard, making the 7840H's 16 threads the ceiling for this platform. Memory support includes dual-channel DDR5 with 89.6 GB/s bandwidth and ECC capability, though the maximum capacity is not specified—users should verify motherboard specifications for DIMM slots.

The CPU provides PCIe Gen 4 with 20 lanes, while the GPU connects via PCIe 4.0 x16. This bandwidth is sufficient for the RTX 4080 Mobile's data transfer needs, as even demanding textures and geometry streams fit within Gen 4's throughput. The GPU's TDP is 110 W, and the CPU's is 35 W, totaling 145 W for the core components—a figure that requires a laptop power adapter in the 180-240 W range, though the exact PSU recommendation is not listed (suggestedPsu is null). The GPU uses no external power connectors, drawing all power from the motherboard, and its slot width is listed as "IGP," indicating it is integrated into the laptop board rather than a removable MXM module.

A sensible next upgrade for this platform would involve increasing system RAM to the maximum supported capacity and adding a high-speed NVMe SSD over the PCIe Gen 4 lanes. Since the GPU is not upgradeable and the CPU is soldered, the only meaningful hardware changes are memory and storage. Users seeking more GPU headroom would need to move to a different laptop platform entirely, as the RTX 4080 Mobile's 12 GB VRAM and 432.0 GB/s bandwidth are fixed. The 35 W CPU TDP leaves thermal headroom for sustained boost clocks, but the combined thermal solution must handle 145 W plus memory and chipset loads, so adequate cooling is assumed in the laptop chassis.

Balance and Bottleneck

The 81st percentile ranking for both CPU and GPU indicates a well-matched pairing. The CPU's average benchmark score of 29,868 and the GPU's average of 38,135 (from its benchmark suite) suggest neither component dramatically outclasses the other in their respective roles. However, workload-specific bottlenecks emerge from the data. In CPU-bound scenarios like physics simulation (PassMark physics score of 1,301) or prime number computation (score of 83), the 7840H's performance is modest, meaning games with heavy AI or physics logic may see frame rate limits from the CPU even if the GPU has headroom.

Conversely, GPU-bound workloads like 3D rendering or high-resolution gaming will leverage the RTX 4080 Mobile's 24.92k Passmark G3D score and 24.72 TFLOPS FP32 performance. The GPU's 58 RT cores and 232 tensor cores accelerate ray tracing and DLSS, respectively, shifting the balance toward the GPU in modern titles with these features enabled. The CPU's 16 threads (3DMark 16-thread score of 7,461) can feed the GPU adequately in most scenarios, but the 0% delta to the Ryzen 7 5800XT suggests the CPU is not a generation-ahead part, so extremely high frame rates (240+ FPS) in esports titles may be CPU-limited.

The PassMark GPU compute score of 11,191 versus the CPU's floating-point math score of 58,724 highlights the division: the GPU excels at parallel floating-point work, while the CPU handles branching logic and data compression (341,520) more efficiently relative to its compute score. For mixed workloads like streaming while gaming, the CPU's 16 threads (Cinebench R23 multi-core of 23,731) can handle encoding overhead, but the GPU's NVENC (implied by Ada Lovelace architecture) would offload this task, reducing CPU load. Overall, this is a balanced system where no single component is a consistent bottleneck, but specific workloads will favor one over the other.

Benchmark Performance

The CPU's average benchmark score is 29,868, placing it in the 81st percentile of all CPUs. Its nearest rival, the Ryzen 7 5800XT, scores 29,879 (0% delta), while the 8845HS and 7840HS both score 29,955 (-0.3% delta), and the Ryzen 5 9600X scores 29,713 (0.5% delta). Key CPU scores include Cinebench R23 multi-core at 23,731, single-core at 3,350, 3DMark max threads at 7,409, and PassMark multithread at 27,919.

The GPU's average benchmark score is 38,135, also in the 81st percentile of all GPUs. The nearest rivals show a tight grouping: the MX570 scores 38,299 (-0.4% delta), the RTX 5080 Mobile scores 38,349 (-0.6% delta), the RTX 4070 scores 37,648 (1.3% delta), and the Tesla P4 scores 37,628 (1.3% delta). GPU-specific results include Geekbench OpenCL at 159,575, Vulkan at 145,807, Passmark G3D at 24,926, and GPU compute at 11,191. The combined percentile for the build is 81, meaning this system outperforms roughly 81% of all laptop configurations in the database.

The combined picture shows a high-end laptop that excels in both CPU and GPU tasks without a significant weak point. The CPU's 0% delta to a desktop Ryzen 7 5800XT suggests it holds its own against older desktop parts, while the GPU's proximity to the RTX 5080 Mobile (0.6% behind) indicates this is a top-tier mobile GPU despite being a generation old. The FP32 performance of 24.72 TFLOPS and pixel rate of 133.2 GPixel/s reinforce the GPU's capability for high-resolution rendering and compute.

Usage Scenarios

High-refresh gaming: The RTX 4080 Mobile's 24.92k Passmark G3D score and 24.72 TFLOPS FP32 performance suggest it can drive 1440p or 4K displays at high refresh rates, though exact FPS is unmeasured. The CPU's 5.10 GHz boost clock and 3,350 Cinebench R23 single-core score minimize frame pacing issues in CPU-light titles, but esports games at 240+ FPS may be CPU-limited.

Streaming: The CPU's 16 threads (3DMark 16-thread score of 7,461) can encode video via software, but the GPU's Ada Lovelace architecture includes dedicated encoder hardware (implied by its tensor cores and architecture) that offloads this task, preserving CPU headroom for game logic. The GPU compute score of 11,191 supports this offload capability.

Video editing: The CPU's Cinebench R23 multi-core of 23,731 accelerates timeline rendering and export, while the GPU's 12 GB VRAM and 432.0 GB/s bandwidth handle effects previews and color grading. The 89.6 GB/s CPU memory bandwidth ensures smooth 4K timeline scrubbing.

3D rendering: The GPU's 58 RT cores and 24.72 TFLOPS FP32 provide hardware-accelerated ray tracing and rasterization, with the Passmark GPU compute score of 11,191 indicating strong compute throughput for Blender or similar workloads. The CPU's 27,919 PassMark multithread score handles scene setup and physics.

Software development: The CPU's 16 threads and 25,654 extended instructions score accelerate compilation, while the 5.10 GHz boost clock reduces single-threaded build times. The ECC memory support adds reliability for long-running build servers.

Student and office work: The CPU's single-thread score of 3,641 (PassMark) ensures responsive productivity apps, and the integrated Radeon 780M provides a low-power display output. The 35 W CPU TDP contributes to battery efficiency, while the GPU remains idle for light tasks.

Who Should Build It

This configuration targets gamers who demand high fidelity at 1440p or 4K resolutions, leveraging the RTX 4080 Mobile's 12 GB VRAM and 432.0 GB/s bandwidth for texture-heavy titles. The 81st percentile GPU rank means it outperforms 81% of GPUs, making it suitable for AAA gaming with ray tracing enabled. Content creators—specifically video editors and 3D artists—will benefit from the CPU's 23,731 Cinebench R23 multi-core score and the GPU's compute capabilities, with the 58 RT cores accelerating ray-traced renders.

Software developers compiling large codebases will appreciate the 16 threads and 25,654 extended instructions score, while the ECC memory support suits scientific computing or financial modeling where data integrity is paramount. Students and professionals in office environments will find the CPU's 3,641 single-thread score more than adequate for productivity, and the 35 W TDP supports all-day battery life in light workloads. Small business workstations requiring a balance of CPU and GPU power for CAD, data analysis, or video conferencing will also find this pairing capable, though the soldered components mean no future upgrades beyond memory and storage.

Build Overview

This build is a laptop-class system (buildClass: "laptop") combining the AMD Ryzen 7 7840H (8 cores, 16 threads, Zen 4 Phoenix) with the NVIDIA GeForce RTX 4080 Mobile (Ada Lovelace, 12 GB GDDR6). The combined percentile is 81, placing it in the upper tier of all systems in the database. The CPU's average benchmark score of 29,868 and the GPU's 38,135 both sit in the 81st percentile, indicating a high-end configuration that excels across CPU- and GPU-intensive workloads.

The pairing represents a generation where the mobile CPU matches a desktop Ryzen 7 5800XT (0% delta) and the mobile GPU nearly matches the newer RTX 5080 Mobile (0.6% behind). This is a flagship-level laptop from the GeForce 40-series era, with the GPU's 24.72 TFLOPS FP32 and 133.2 GPixel/s pixel rate confirming its position. The 110 W GPU TDP and 35 W CPU TDP sum to 145 W, a typical high-performance laptop power envelope. Users should treat this as a premium mobile workstation or gaming rig, not a budget option, given the component tier and soldered nature.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination, so all frame rate figures are estimates based on synthetic benchmark scores. The RTX 4080 Mobile's Passmark G3D score of 24,926 and FP32 performance of 24.72 TFLOPS suggest strong 1440p and 4K gaming capability, with the 12 GB VRAM accommodating high-resolution textures. The CPU's 3,350 Cinebench R23 single-core score indicates it can feed the GPU in most titles, but the 0% delta to the Ryzen 7 5800XT implies a ceiling in extremely high-refresh scenarios.

For esports titles like Counter-Strike or Valorant, the CPU's 5.10 GHz boost clock and 976 3DMark single-thread score would likely drive frame rates above 200 FPS at 1080p, though the GPU's power is underutilized. For AAA games, the GPU's 58 RT cores and 232 tensor cores enable ray tracing and DLSS, with the 432.0 GB/s bandwidth supporting high-quality settings at 1440p. At 4K, the 12 GB VRAM may be a limiting factor in the most demanding titles, but the 24.72 TFLOPS compute should handle most games at high settings. These are estimates; actual performance depends on game optimization and laptop cooling, which are not captured in the synthetic data.

GPU Analysis

The NVIDIA GeForce RTX 4080 Mobile is built on the Ada Lovelace architecture using TSMC's 5 nm process, with 35,800 million transistors on a 294 mm² die. It features 7,424 shading units, 232 TMUs, 80 ROPs, 58 RT cores, and 232 tensor cores, operating at a base clock of 1290 MHz and a boost clock of 1665 MHz. The 12 GB of GDDR6 memory runs at 2250 MHz (18 Gbps effective) on a 192-bit bus, delivering 432.0 GB/s of bandwidth.

Benchmark results show a strong compute performer: Geekbench OpenCL scores 159,575, Vulkan scores 145,807, Passmark G3D scores 24,926, and GPU compute scores 11,191. The FP32 throughput of 24.72 TFLOPS and FP16 of 24.72 TFLOPS (1:1 ratio) indicate balanced compute, useful for both graphics and general-purpose workloads. The pixel rate of 133.2 GPixel/s and texture rate of 386.3 GTexel/s support high-resolution rendering with complex textures.

The 58 RT cores provide dedicated ray tracing acceleration, while the 232 tensor cores enable DLSS and AI-based features, as implied by the Ada Lovelace architecture. The GPU's 81st percentile rank and its proximity to the RTX 5080 Mobile (0.6% behind) confirm it is a top-tier mobile GPU, though the 110 W TDP limits sustained performance compared to desktop counterparts. The 12 GB VRAM is sufficient for most current games at 1440p, but 4K textures may approach capacity. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, ensuring compatibility with modern APIs.

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

Apex Performer

System Balance Analysis

AMD Ryzen 7 7840H

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

Upgrade Path and Platform

Balance and Bottleneck

Benchmark Performance

Usage Scenarios

Who Should Build It

Build Overview

Gaming Performance

GPU 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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