SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 7945HX + NVIDIA GeForce RTX 4090 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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96 Score

Top 4% Ranking

96 / 100

ULTIMATE READY

Apex Performer

Top 4% 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

95%

GPU

96%

PROCESSOR

AMD Ryzen 9 7945HX

60,099 Benchmark Score

Top 5% Market Ranking

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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

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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

The pairing of AMD's Ryzen 9 7945HX with NVIDIA's GeForce RTX 4090 Mobile sits in the 88th percentile of all combinations tracked in this database — a flagship laptop configuration where the CPU actually outranks the GPU in its respective class. The Ryzen 9 7945HX holds the 92nd percentile versus all CPUs, while the RTX 4090 Mobile lands at the 84th percentile versus all GPUs. That asymmetry defines this build: exceptional processing headroom wrapped around a very strong, but not top-of-stack, mobile graphics solution. One caveat up front: this database contains no measured FPS rows for this exact combination, so all frame-rate discussion below is estimated from the benchmark scores rather than measured in-game data.

Gaming Performance

There are no measured FPS figures for this pairing — the FACT PACK contains no `measuredFpsUltraByGame` entries and `dataIsMeasured` is false. Everything here is estimated from the benchmark scores.

What those scores indicate is a GPU-forward gaming profile. The RTX 4090 Mobile's PassMark G3D score of 27212 places it in the 84th percentile of all GPUs, ahead of the Quadro M6000 by 0.8% and the GeForce RTX 5050 Mobile by 0.9%, but fractionally behind the RTX A6000 by 0.9%. That cluster of deltas under one percent tells you the card competes in a tightly banded tier, and its compute benchmark of 12347 in PassMark GPU Compute plus a Geekbench OpenCL score of 180831 confirm substantial offload capability for modern engines.

For gaming specifically, the Vulkan score of 170774 is the most relevant signal — Vulkan- and DirectX 12-class titles map directly onto that API path, and the card's DirectX 12 Ultimate (12_2) feature support means it handles the current generation of rendering features without fallbacks. With 16 GB of GDDR6 on a 256-bit bus delivering 576.0 GB/s of bandwidth, texture-heavy scenes at high resolution are the card's natural habitat; 4K-class and ultrawide gaming is well within its envelope, and at 1440p the expectation is high-refresh gameplay in most titles. Estimated, not measured — but the hardware foundation is unambiguous: 9728 shading units, a texture rate of 515.3 GTexel/s, and 76 RT cores with 304 tensor cores mean ray-traced workloads and DLSS-class upscaling are first-class rather than bolted on.

The CPU side will not be the limiter. A Cinebench R23 single-core score of 1940 and a Geekbench single-core score of 2391 are elite numbers for a mobile part, and the PassMark single-thread result of 4040 backs that up. In esports and CPU-bound scenarios, frame pacing should remain stable because the processor simply does not saturate before the GPU does.

Balance and Bottleneck

This is a well-balanced pairing with a deliberate lean toward processing power. The combined percentile of 88 sits between the CPU's 92 and the GPU's 84 — closer to the CPU figure — which is the statistical signature of a build where the processor has room to spare.

The scaling data in the 3DMark thread tests makes this concrete. The Ryzen 9 7945HX scores 1058 single-thread, 2063 on 2 threads, 3972 on 4 threads, 7355 on 8 threads, 12737 on 16 threads, and 13612 at maximum threads. Note the compression at the top: going from 16 threads to all 32 threads yields only 13612 versus 12737 — roughly a 6.9% gain for doubling the thread count. The chip scales beautifully to 16 threads and then flattens, which means gaming workloads (which rarely engage more than a fraction of 32 threads) operate entirely on the steep part of the scaling curve. The CPU is never the bottleneck at realistic gaming thread counts.

That places the bottleneck squarely on the GPU for nearly every 3D workload, which is the correct design for a laptop — you want the fixed-power graphics silicon saturated while the 16-core processor idles half its capacity. For productivity and creation workloads the situation reverses: the RTX 4090 Mobile's compute scores (12347 PassMark GPU Compute) are strong, but the Ryzen's PassMark multithread score of 54548 means the CPU carries encoding, compiling, and simulation work with headroom the GPU cannot match.

Benchmark Performance

The exact scores, and what they mean:

CPU — AMD Ryzen 9 7945HX (92nd percentile vs all CPUs, average benchmark score 60099):

Cinebench R23 multi-core: 33459. Single-core: 1940. That multi-to-single ratio is exceptionally high, indicating near-full exploitation of all 16 cores in rendering workloads.
Cinebench R15 multi-core: 5289, single-core: 308 — consistent scaling across generations of the test.
Geekbench multi-core: 18254, single-core: 2391.
PassMark multithread: 54548, single-thread: 4040, physics: 2500.
PassMark component scores: integer math 207524, floating point 123390, data compression 707249, encryption 42703, extended instructions 51834, string sorting 81736, prime finding 284.

Its nearest rivals by average score are remarkably close: the Ryzen 7 8745HX at 60104 (0% delta), the Intel Core i9-14900F at 60008 (0.2% delta), the Ryzen 9 7945HX3D at 59641 (0.8% delta), and the Intel Xeon Gold 6338T at 60572 (a -0.8% delta, i.e., the Xeon edges ahead). The takeaway: this chip performs dead level with desktop-flagship and workstation-class silicon on aggregate, from a mobile power envelope.

GPU — NVIDIA GeForce RTX 4090 Mobile (84th percentile vs all GPUs, average benchmark score 43667):

Geekbench OpenCL: 180831. Geekbench Vulkan: 170774.
PassMark G3D: 27212, GPU Compute: 12347, G2D: 984.
PassMark DirectX: DX9 310, DX10 173, DX11 262, DX12 107.
Rivals: Quadro M6000 at 43301 (+0.8%), RTX 5050 Mobile at 43268 (+0.9%), Quadro M6000 24 GB at 43262 (+0.9%), RTX A6000 at 44075 (-0.9%).

The combined picture is an 88th-percentile system — upper-echelon overall, with the standout strength being raw CPU throughput that matches enterprise parts.

Upgrade Path and Platform

The platform story is unusual and worth understanding before buying. The Ryzen 9 7945HX uses AMD Socket FL1 — a mobile socket — and the build class is laptop, so the practical upgrade path is the machine itself, not the socket. Within that constraint, the platform is forward-looking:

PCIe: Gen 5 with 28 lanes from the CPU. That is desktop-class lane count on a mobile platform, giving fast NVMe and full-bandwidth GPU connectivity. The RTX 4090 Mobile itself connects over PCIe 4.0 x16, so the link is not a constraint.
Memory: DDR5 on a dual-channel bus with 83.2 GB/s of bandwidth, and ECC memory is supported — a rare and meaningful feature for workstation use on a laptop.
Power: The CPU TDP is 55 W and the GPU TDP is 120 W. As an integrated mobile configuration the GPU requires no power connectors, and no suggested PSU is specified — power delivery is the chassis vendor's design problem, but the 175 W combined silicon budget is modest for this performance class.

The natural next upgrade within the ecosystem: the CPU's own variant lineage — the Ryzen 9 7945HX3D appears in the rival list at 59641 average score, a 0.8% delta — and the GPU's successor, the GeForce 50 Mobile generation. On the GPU side specifically, the rival data shows the RTX A6000 (44075, -0.9%) as the marginal step up; for a mobile build, however, the RTX 4090 Mobile is already the top of its generation stack.

CPU Analysis

The Ryzen 9 7945HX is a 16-core, 32-thread Zen 4 processor codenamed Dragon Range, built on TSMC's 5 nm node with 13,140 million transistors across a 2x 71 mm² dual-die layout. It clocks from a 2.50 GHz base to a 5.40 GHz boost, and the multiplier is unlocked — a rarity on mobile silicon that matters for enthusiasts with capable cooling.

The cache hierarchy is generous: 64 KB of L1 per core, 1 MB of L2 per core, and 64 MB of shared L3. That large shared L3 is a major reason the chip's aggregate scores (60099 average) hold level with the Intel Core i9-14900F (60008) and sit within a percent of the workstation-oriented Xeon Gold 6338T (60572).

What the scores mean for real workloads: the Cinebench R23 multi-core score of 33459 is rendering-throughput territory that turns long export jobs into short ones — video encoding, 3D renders, and batch processing all scale with this number. The Geekbench multi-core 18254 and PassMark multithread 54548 confirm the same story through different methodologies. Meanwhile the single-core figures — Geekbench 2391, PassMark 4040, Cinebench R23 1940 — are high enough that lightly threaded applications (compilers, office suites, browsers, DCC tool UIs) feel instant. The PassMark component scores round out the picture: 707249 in data compression and 42703 in encryption benefit from the extended-instruction score of 51834, and the integer math result of 207524 indicates strong general-purpose throughput. The integrated Radeon 610M graphics handle display duties when the discrete GPU is idle.

GPU Analysis

The RTX 4090 Mobile is the AD103 chip on NVIDIA's Ada Lovelace architecture, fabricated by TSMC on 5 nm with 45,900 million transistors packed into a 379 mm² die at a density of 121.1M per mm². It carries 9728 shading units, 304 TMUs, 112 ROPs, 76 RT cores, and 304 tensor cores.

Clocks run from a 1335 MHz base to a 1695 MHz boost, with memory at 2250 MHz (18 Gbps effective). That memory is 16 GB of GDDR6 across a 256-bit bus, yielding 576.0 GB/s of bandwidth — comfortably enough to feed the card's 515.3 GTexel/s texture rate and 189.8 GPixel/s pixel rate at high resolutions. The FP32 throughput of 32.98 TFLOPS (with FP16 at a 1:1 ratio) is the headline compute figure.

For rendering, the benchmark picture: Geekbench OpenCL at 180831 and Vulkan at 170774 are both elite mobile results, and the PassMark G3D of 27212 places the card above the Quadro M6000 (43301 average, 0.8% behind this card) and effectively tied with professional parts like the RTX A6000 (44075, 0.9% ahead). The 304 tensor cores make the card genuinely useful for AI-assisted rendering and GPU compute, supported by the 12347 PassMark GPU Compute score. API support is complete — DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 — so every current engine and renderer runs natively. At 120 W TDP with no power connectors, this is integrated mobile design: the performance is remarkable for the envelope, even if the 84th percentile confirms it is a tier below the absolute top of the GPU stack.

FAQ

Q: Are the FPS numbers in this article measured?

A: No. This database contains no measured FPS rows for this CPU+GPU combination, so all frame-rate discussion is estimated from the benchmark scores (CPU 92nd percentile, GPU 84th percentile, combined 88th percentile).

Q: How does the Ryzen 9 7945HX compare to its rivals?

A: Its average benchmark score of 60099 is statistically tied with the Ryzen 7 8745HX (60104, 0% delta) and Intel Core i9-14900F (60008, 0.2% delta), slightly ahead of the Ryzen 9 7945HX3D (59641, 0.8% delta), and slightly behind the Intel Xeon Gold 6338T (60572, -0.8% delta).

Q: How much memory bandwidth does this build have?

A: The CPU's dual-channel DDR5 system provides 83.2 GB/s, while the GPU's 16 GB of GDDR6 on a 256-bit bus provides 576.0 GB/s.

Q: Does the CPU support ECC memory?

A: Yes — the Ryzen 9 7945HX supports ECC, which is notable for a mobile part and relevant for workstation reliability.

Q: What PCIe support does the platform offer?

A: The CPU provides PCIe Gen 5 with 28 lanes; the RTX 4090 Mobile connects via PCIe 4.0 x16.

Q: Is the CPU overclockable?

A: Yes, the multiplier is unlocked.

Q: What ray tracing and AI hardware does the GPU have?

A: 76 RT cores and 304 tensor cores, alongside 9728 shading units and 32.98 TFLOPS of FP32 throughput.

Build Overview

This is a laptop-class build (buildClass: laptop) pairing a 92nd-percentile mobile flagship CPU with an 84th-percentile mobile flagship GPU for a combined 88th-percentile tier. Both parts launched in early 2023 — the CPU on January 3rd, the GPU on January 2nd — and both remain in active production. The Ryzen 9 7945HX brings 16 Zen 4 cores, 5 nm construction, and desktop-rivaling benchmark aggregation; the RTX 4090 Mobile brings Ada Lovelace's full feature set with 16 GB of fast VRAM. The defining trait of the pairing is CPU surplus: aggregate processing power at Xeon-adjacent levels, paired with graphics that are excellent but a full tier below the CPU's relative standing.

Who Should Build It

High-resolution gamers: With 576.0 GB/s of GPU memory bandwidth, 16 GB of VRAM, and DirectX 12 Ultimate support, players targeting 4K or high-refresh 1440p get a GPU in the 84th percentile with full ray tracing and tensor-core upscaling. Note again that per-game FPS here is estimated, not measured.

Content creators: The Cinebench R23 multi-core score of 33459 and Geekbench multi-core 18254 translate directly into fast rendering, encoding, and export times; the 64 MB of shared L3 cache accelerates timeline scrubbing and simulation, and the GPU's OpenCL score of 180831 handles GPU-accelerated effects.

Developers: 32 threads, a 5.40 GHz boost, and a PassMark single-thread score of 4040 make compile times short and IDEs responsive; the 28 PCIe Gen 5 lanes and ECC-capable DDR5 round out a serious development platform.

Students and small business workstations: ECC support, workstation-tier CPU throughput (within 0.8% of a Xeon Gold 6338T on aggregate), and portability make this a legitimate mobile workstation for CAD, data analysis (integer math 207524, floating point 123390), and engineering software — no desktop required.

For anyone whose workload mixes heavy multi-threaded processing with high-end mobile gaming, this pairing's 88th-percentile standing and CPU-forward balance make it one of the strongest laptop configurations in the database.

Rate My PC: AMD Ryzen 9 7945HX + NVIDIA GeForce RTX 4090 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 9 7945HX

NVIDIA GeForce RTX 4090 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

Gaming Performance

Balance and Bottleneck

Benchmark Performance

Upgrade Path and Platform

CPU Analysis

GPU Analysis

FAQ

Build Overview

Who Should Build It

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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