SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900HX + NVIDIA GeForce RTX 5090 Mobile

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

Build Configuration

Select your components

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

91%

GPU

96%

PROCESSOR

Intel Core i9-12900HX

35,003 Benchmark Score

Top 9% Market Ranking

View Full Specs →

GRAPHICS CARD

NVIDIA GeForce RTX 5090 Mobile

45,152 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

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

# CPU Analysis

The Intel Core i9-12900HX is a 16-core, 24-thread mobile processor built on the Alder Lake architecture, fabricated on Intel's 10 nm process with a die size of 215 mm². It features a base clock of 2.30 GHz and a boost clock of 5.00 GHz, with a 55 W TDP. The chip uses a hybrid design typical of Alder Lake-HX, combining performance and efficiency cores to balance throughput and power draw. Cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 30 MB of shared L3. Memory support covers DDR4 and DDR5 in dual-channel configuration, and ECC memory is supported. The CPU provides PCIe Gen 5 with 20 lanes from the CPU, and integrated graphics come in the form of UHD Graphics 770.

Benchmark data shows this processor performing strongly across threaded workloads. In 3DMark tests, the CPU scores 8,077 with 16 threads, 6,461 with 8 threads, 3,729 with 4 threads, and 1,994 with 2 threads. The max-threads score reaches 9,067, while single-thread performance sits at 1,026. Cinebench results reinforce the multi-core strength: R15 multicore scores 3,566, R20 multicore scores 11,764, and R23 multicore scores 23,150. Single-core Cinebench figures are 278, 1,660, and 1,912.5 for R15, R20, and R23 respectively. PassMark tests show integer math at 113,416, floating-point math at 84,410, and extended instructions at 24,315. Data compression hits 400,636, while data encryption reaches 22,932. Multithreaded PassMark score is 33,158, and single-thread score is 3,745. The average benchmark score for this CPU is 35,003, placing it at the 84th percentile among all CPUs.

Relative to its nearest rivals, the i9-12900HX is essentially neck-and-neck with the Intel Core i7-13800H, which has an average score of 34,988 (0% delta). The Intel Core 7 253PTE scores 34,962, a 0.1% advantage for the i9. The Intel Core i5-14500HX scores 35,094, which is 0.3% higher, and the Intel Xeon 6349P scores 34,890, a 0.3% deficit. These deltas are negligible, meaning the i9-12900HX sits in a performance class where small percentage differences will not translate into perceptible real-world gains or losses. For productivity tasks like video encoding or software compilation that utilize all threads, the 23,150 Cinebench R23 multi-core score indicates strong parallel throughput, while the single-core score of 1,912.5 shows respectable responsiveness in lightly threaded applications like web browsing or office document editing.

# Balance and Bottleneck

This pairing of the Intel Core i9-12900HX with the NVIDIA GeForce RTX 5090 Mobile requires careful examination of where bottlenecks emerge. The CPU's 84th percentile ranking among all CPUs is matched by the GPU's 84th percentile among all GPUs, indicating a balanced overall configuration on paper. However, workload-specific behavior matters more than aggregate percentiles.

The CPU's single-thread 3DMark score of 1,026 and PassMark single-thread score of 3,745 suggest it can keep up with modern game logic and physics threads. In contrast, the GPU's PassMark G3D score of 30,034 and 3DMark Steel Nomad DX12 score of 5,871 indicate substantial graphics throughput. For gaming at high resolutions, the GPU will typically be the limiting factor, as the RTX 5090 Mobile's rendering load scales with pixel count while the CPU's job of feeding draw calls becomes less demanding at higher resolutions. Conversely, at lower resolutions or in CPU-heavy titles with many AI-controlled entities or complex simulations, the i9-12900HX's 16 cores and 24 threads will be tasked more heavily, and the GPU may wait on the CPU.

The FPS scaling picture is not measured for this exact combination, but benchmark scores provide a basis for estimation. The CPU's 3DMark max-threads score of 9,067 versus the 2-thread score of 1,994 shows a scaling efficiency that is roughly linear to 4 threads (3,729) and then tapers off, which is typical for a hybrid architecture. This means heavily multithreaded workloads like 3D rendering will see near-linear gains, while games that rely on a few fast cores will depend on the 5.00 GHz boost clock. The data suggests that for most gaming scenarios, the GPU will be the primary bottleneck at 1440p and higher, while the CPU could become a constraint in esports titles at 1080p where frame rates are extremely high.

# Benchmark Performance

The CPU's average benchmark score is 35,003, placing it at the 84th percentile. The GPU's average benchmark score is 45,152, also at the 84th percentile. This alignment means neither component dramatically outclasses the other, which is favorable for avoiding severe bottlenecking.

Looking at specific GPU benchmarks, the RTX 5090 Mobile scores 5,871 in 3DMark Steel Nomad DX12, 201,834 in Geekbench OpenCL, and 198,405 in Geekbench Vulkan. PassMark results show a G3D score of 30,034 and a GPU compute score of 13,401. The GPU's nearest rivals include the AMD Radeon Pro 5500 XT with an average score of 45,384 (0.5% higher), the NVIDIA GeForce RTX 4070 Ti with 44,795 (0.8% lower), the Intel Arc A730M with 45,592 (1% higher), and the NVIDIA RTX 5880 Ada Generation with 45,972 (1.8% higher). These tight deltas indicate the RTX 5090 Mobile is performing at a level comparable to desktop GPUs from previous generations, which is notable for a mobile part.

The combined picture from both components' percentiles at 84 suggests a system that will handle demanding tasks without obvious weak links. The CPU's Cinebench R23 multi-core score of 23,150 combined with the GPU's 31.80 TFLOPS FP32 throughput means this laptop-class system can tackle both CPU-bound and GPU-bound workloads with authority. The lack of measured FPS data for this exact combination means all gaming performance projections are estimates, but the underlying scores point to a high-performance mobile workstation that can also serve as a gaming platform.

# Gaming Performance

This FACT PACK contains no measured FPS rows for the Intel Core i9-12900HX paired with the NVIDIA GeForce RTX 5090 Mobile. Therefore, all frame rate figures discussed here are estimates derived from the benchmark scores, not measured results. The dataIsMeasured field is false, so treat these projections with appropriate caution.

Based on the GPU's 3DMark Steel Nomad DX12 score of 5,871 and PassMark G3D score of 30,034, the RTX 5090 Mobile is positioned to deliver high frame rates in modern titles. The GPU's 24 GB of GDDR7 memory on a 256-bit bus with 896.0 GB/s bandwidth provides ample headroom for high-resolution textures and ray-traced effects. The CPU's single-thread performance, evidenced by the 3DMark single-thread score of 1,026 and Cinebench R23 single-core score of 1,912.5, should not hold back the GPU in most gaming scenarios.

For competitive shooters and esports titles that are typically CPU-bound at lower resolutions, the i9-12900HX's boost clock of 5.00 GHz should allow for high frame rates at 1080p, though the exact numbers are unknown. At 1440p and 4K, the GPU will become the limiting factor, and the RTX 5090 Mobile's compute power will drive visual fidelity. The absence of measured FPS data means we cannot specify exact frame counts, but the component scores suggest a system capable of high-refresh-rate gaming at 1440p and playable 4K performance in most titles, assuming the laptop's cooling solution can sustain the 95 W GPU TDP and 55 W CPU TDP simultaneously.

# Who Should Build It

This CPU+GPU combination targets users who need a single laptop to handle both demanding professional workloads and high-end gaming. The CPU's 84th percentile ranking and 16 cores make it suitable for content creators who edit video, render 3D scenes, or compile large codebases. The Cinebench R23 multi-core score of 23,150 indicates that video encoding and 3D rendering tasks will complete faster than on lower-tier mobile processors.

Gamers at 1440p resolution will benefit the most from the RTX 5090 Mobile's performance, as the GPU's 84th percentile ranking ensures high detail settings are viable. Those who play at 1080p will find the CPU more than adequate, but may not fully utilize the GPU's potential. Students in engineering or computer science programs will appreciate the CPU's 24 threads for parallel computations, while the GPU's 10,496 shading units and 328 tensor cores support machine learning coursework and CUDA-accelerated applications. Small business workstations that run virtualization, database management, or financial modeling will see strong performance from the 16 cores and 30 MB of L3 cache.

# GPU Analysis

The NVIDIA GeForce RTX 5090 Mobile is built on the Blackwell 2.0 architecture using TSMC's 5 nm process, with 45,600 million transistors on a 378 mm² die. The chip, designated GB203, features 10,496 shading units, 328 texture mapping units, and 112 raster output units. Ray tracing is handled by 82 RT cores, while 328 tensor cores accelerate AI workloads. The GPU has 24 GB of GDDR7 memory on a 256-bit bus, providing 896.0 GB/s of bandwidth. Base clock is 990 MHz with a boost clock of 1515 MHz, and memory runs at 1750 MHz (28 Gbps effective). The TDP is 95 W, and the form factor is IGP (integrated graphics processor) with no power connectors, meaning it is soldered to the motherboard in a laptop.

Compute performance is substantial: FP32 and FP16 both rate at 31.80 TFLOPS (with FP16 at 1:1 ratio), pixel rate is 169.7 GPixel/s, and texture rate is 496.9 GTexel/s. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, ensuring compatibility with modern APIs. The PassMark G3D score of 30,034 and Geekbench OpenCL score of 201,834 indicate strong raw compute for rendering and GPGPU tasks. The 3DMark Steel Nomad DX12 score of 5,871 places it near the NVIDIA GeForce RTX 4070 Ti (which has an average score of 44,795, with the RTX 5090 Mobile being 0.8% higher). This is remarkable for a mobile GPU with a 95 W TDP, suggesting efficiency gains from the Blackwell architecture.

For rendering workloads, the 24 GB VRAM is a critical advantage, allowing large scenes and high-resolution textures to reside entirely in GPU memory. The 896.0 GB/s bandwidth supports fast texture streaming and reduces stutter in open-world games. Tensor cores enable DLSS and other AI-based upscaling, while RT cores handle ray-traced lighting and reflections. The combination of 82 RT cores and 328 tensor cores means the RTX 5090 Mobile is well-equipped for both path-traced games and AI inference tasks in creative software.

# Usage Scenarios

High-refresh gaming: The RTX 5090 Mobile's 3DMark Steel Nomad DX12 score of 5,871 and 31.80 TFLOPS FP32 throughput indicate the GPU can drive high frame rates at 1440p, while the CPU's 5.00 GHz boost clock ensures the game logic thread is not a bottleneck. Expect smooth gameplay in fast-paced titles, though exact FPS is estimated.

Streaming: The CPU's 16 cores and 24 threads provide dedicated resources for encoding while gaming. PassMark multithread score of 33,158 shows the CPU can handle simultaneous game and encode workloads, though the GPU's NVENC (implied by Blackwell architecture) could offload this task.

Video editing: The Cinebench R23 multi-core score of 23,150 accelerates export times in software like Premiere Pro, while the GPU's 24 GB VRAM and 896.0 GB/s bandwidth handle effects and color grading without swapping to system memory.

3D rendering: The GPU's 10,496 shading units and 82 RT cores excel in Blender or Maya renders, with the 24 GB VRAM accommodating large scenes. The CPU's 30 MB L3 cache and 24 threads provide complementary support for physics simulation.

Software development: The 16-core CPU with 24 threads compiles code quickly, evidenced by the 3DMark 16-thread score of 8,077. The GPU's tensor cores can accelerate machine learning model training, and the 84th percentile CPU ranking ensures responsive IDE performance.

Student and office work: The single-thread score of 3,745 in PassMark indicates snappy application launches and spreadsheet calculations. The integrated UHD Graphics 770 provides a fallback for basic display tasks when the discrete GPU is idle, saving battery life.

# FAQ

Q: What is the CPU's core and thread count?

A: The Intel Core i9-12900HX has 16 cores and 24 threads, based on the Alder Lake architecture with a 10 nm process.

Q: How much VRAM does the RTX 5090 Mobile have, and what type?

A: The GPU has 24 GB of GDDR7 memory on a 256-bit bus, with 896.0 GB/s bandwidth.

Q: What is the CPU's boost clock speed?

A: The boost clock is 5.00 GHz, with a base clock of 2.30 GHz and a TDP of 55 W.

Q: How does the CPU compare to the Intel Core i7-13800H?

A: The CPU's average benchmark score is 35,003, which is identical to the i7-13800H's 34,988 (0% delta). They are effectively equal in performance.

Q: What is the GPU's ray tracing capability?

A: The RTX 5090 Mobile has 82 RT cores and 328 tensor cores, supporting DirectX 12 Ultimate, Vulkan 1.4, and OpenGL 4.6.

Q: Is this a desktop or laptop build?

A: The build class is "laptop" — both the CPU and GPU are mobile components, with the GPU in IGP form factor with no power connectors.

Q: What is the CPU's memory support?

A: It supports DDR4 and DDR5 in dual-channel configuration, with ECC memory support enabled.

# Build Overview

This build pairs the Intel Core i9-12900HX with the NVIDIA GeForce RTX 5090 Mobile in a laptop form factor. The CPU is a 16-core, 24-thread mobile processor from the 12th Gen Core series, released in May 2022 with a launch MSRP of $606. The GPU is a 50-series mobile part from NVIDIA, released in March 2025, featuring 24 GB of GDDR7 memory. Both components sit at the 84th percentile among their respective categories, making this a balanced high-end mobile configuration.

The combined percentile of 84 indicates this system outperforms 84% of all CPU and GPU pairings in the database. The CPU's average benchmark score of 35,003 and the GPU's average of 45,152 place them in the upper tier of mobile computing. This is not an entry-level or mid-range setup; it is a premium laptop configuration designed for users who need desktop-class performance in a portable chassis. The absence of measured FPS data for this exact combination means real-world gaming performance is estimated from the component scores, but the underlying hardware specifications and benchmark results suggest a capable machine for both professional work and demanding games.

Rate My PC: Intel Core i9-12900HX + NVIDIA GeForce RTX 5090 Mobile

Apex Performer

System Balance Analysis

Intel Core i9-12900HX

NVIDIA GeForce RTX 5090 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

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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