SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900HX + NVIDIA GeForce RTX 5080 Mobile

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

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%
VS
GPU
95%
PROCESSOR

Intel Core i9-12900HX

35,003 Benchmark Score
Top 9% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 5080 Mobile

38,349 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
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 Intel's Alder Lake architecture, manufactured on a 10 nm process node. Its hybrid design combines performance and efficiency cores, with a base clock of 2.30 GHz and a boost clock of 5.00 GHz. The processor carries a 55 W TDP, which is modest for a 16-core part, suggesting that thermal management will be crucial in sustaining peak performance in a laptop chassis. The die size is 215 mm², and the cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 30 MB of shared L3 cache, providing ample on-die storage for frequently accessed data.

Benchmark results place this CPU in the 84th percentile among all CPUs, indicating it outperforms the vast majority of processors available. The 3DMark multi-threaded score of 9067 at maximum threads demonstrates strong parallel processing capability, while the single-thread score of 1026 shows respectable per-core performance. The Cinebench R23 multi-core score of 23150 is particularly telling — it is nearly double the single-core score of 1912.5, which highlights the scaling efficiency of the 16-core design under heavily threaded workloads. PassMark multi-thread scoring of 33158 reinforces this picture, while the PassMark single-thread score of 3745 shows that even lightly threaded tasks will execute smoothly.

The nearest rivals in the benchmark database illustrate where this CPU sits relative to other mobile and desktop parts. The Intel Core i7-13800H has an average score of 34988, a 0% delta from this chip's average of 35003. The Intel Core 7 253PTE scores 34962, just 0.1% behind. The Intel Core i5-14500HX scores 35094, which is 0.3% ahead, and the Intel Xeon 6349P scores 34890, 0.3% behind. These deltas are negligible — all four processors perform within a 0.6% band. This means that for real-world workloads, users would be hard-pressed to notice any difference between the i9-12900HX and these rivals without precise instrumentation.

The memory support spans both DDR4 and DDR5, with dual-channel operation, and ECC is supported. The PCIe interface is Gen 5 with 20 lanes from the CPU, which provides ample bandwidth for high-end discrete GPUs and fast NVMe storage. The integrated UHD Graphics 770 offers a fallback display output, though in a build paired with a discrete GPU, it will rarely be used for rendering tasks. The processor is unlocked, allowing enthusiasts to tweak multipliers if the laptop BIOS permits it.

# Gaming Performance

The FACT PACK contains no measured FPS rows for the Intel Core i9-12900HX paired with the NVIDIA GeForce RTX 5080 Mobile. Therefore, all frame rate discussions below are estimates derived from the benchmark scores of both components, not from direct measurement. The data explicitly marks `dataIsMeasured` as false, so treat every FPS figure as an informed projection rather than a verified result.

The RTX 5080 Mobile scores 4952 in the 3DMark Steel Nomad DX12 test, which is a demanding modern workload. The GeekBench Vulkan score of 169754 and OpenCL score of 166986 indicate strong raw compute throughput. PassMark G3D scoring of 27711 and GPU compute of 12134 further substantiate the GPU's capability. For 1080p ultra settings in most titles, this combination should comfortably exceed 144 FPS in esports and competitive shooters, and likely sustain 60-100 FPS in graphically intensive AAA games. At 1440p ultra, expect a modest drop, with many titles still hitting 60+ FPS, though the most demanding ray-traced scenarios may dip below that threshold. At 4K ultra, the 16 GB GDDR7 memory and 896.0 GB/s bandwidth will help, but frame rates will be lower — perhaps 40-60 FPS in heavy titles, depending on optimization.

The CPU's single-thread performance, as evidenced by the 3DMark single-thread score of 1026 and Cinebench R23 single-core score of 1912.5, will not bottleneck the GPU in most scenarios. However, in CPU-bound games at lower resolutions, the 84th percentile CPU ranking suggests there are faster parts, but the deltas to rivals are so small (within 0.3%) that any difference would be imperceptible. The PassMark physics score of 2012 indicates robust game physics simulation capability, which matters for destructible environments and particle effects. The 30 MB L3 cache helps with game asset streaming, reducing stutter in open-world titles. Overall, this pairing should deliver a high-refresh gaming experience at 1080p and 1440p, with 4K being playable but not maxed out.

# Balance and Bottleneck

The combined percentile of 83 for this CPU+GPU pairing sits just below the CPU's individual 84th percentile and above the GPU's individual 81st percentile. This suggests a well-balanced system where neither component dramatically outclasses the other. The CPU's average benchmark score of 35003 is within 0.3% of its nearest rivals, and the GPU's average of 38349 is within 0.9% of its nearest rivals — both are clustered tightly with competitors, indicating no extreme outlier in either direction.

Bottleneck analysis from the benchmark scores suggests that the GPU will be the primary limiter in graphics-heavy workloads. The RTX 5080 Mobile's PassMark G3D score of 27711 is strong, but the 81st percentile ranking means 19% of GPUs perform better. In contrast, the CPU's 84th percentile means only 16% of CPUs are faster. When both are stressed simultaneously, the GPU will likely reach its limits before the CPU does in most gaming scenarios, especially at higher resolutions where pixel throughput dominates. The CPU's 16 cores and 24 threads provide ample headroom for background tasks like streaming, Discord, or recording software while gaming.

The FPS scaling evidence, though estimated, supports this balance. At 1080p, the CPU's fast single-thread performance will keep frame times consistent, but the GPU's raw fill rate will cap maximum FPS. At 4K, the GPU's 144.0 GPixel/s pixel rate and 360.0 GTexel/s texture rate become the binding constraints. The CPU's 3DMark 16-thread score of 8077 versus 8-thread score of 6461 shows diminishing returns beyond 8 threads for many workloads, but games that leverage more than 8 threads will see a benefit from the full 16-core design. For productivity tasks like video editing or 3D rendering, the CPU's multi-threaded might (Cinebench R23 multi-core of 23150) will be the star, while the GPU accelerates specific compute tasks via its 60 RT cores and 240 tensor cores.

# Who Should Build It

This Intel Core i9-12900HX with RTX 5080 Mobile pairing is targeted at users who need a laptop that excels at both heavy compute and high-end graphics. Gamers at 1440p resolution will find the most value, as the GPU's 16 GB VRAM and 896.0 GB/s bandwidth are well-suited to that resolution's demands, and the CPU's single-thread performance keeps frame pacing smooth. Content creators who work with video editing software that leverages multi-threading will benefit from the CPU's 24 threads and 23150 Cinebench R23 multi-core score, while GPU-accelerated effects will tap into the RTX 5080 Mobile's 23.04 TFLOPS of FP32 compute.

Software developers compiling large codebases will appreciate the 16-core, 24-thread configuration, which shows strong parallel scaling in the PassMark multi-thread score of 33158 and data compression score of 400636. Students in engineering or computer science fields who run simulations or machine learning experiments can use the CPU's ECC memory support and the GPU's 240 tensor cores for accelerated training. Small business workstations that handle data encryption (PassMark score of 22932) or extended instruction workloads (score of 24315) will see solid throughput. The build class is explicitly a laptop, so this is for users who need desktop-class performance in a portable form factor, not for those building a stationary tower.

# Usage Scenarios

High-refresh gaming: At 1080p and 1440p, the estimated FPS should exceed 144 in esports titles, given the GPU's 3DMark Steel Nomad score of 4952 and the CPU's single-thread score of 1026. The 144.0 GPixel/s pixel rate ensures rapid rasterization.

Streaming: The CPU's 24 threads handle encoding and streaming overhead without stealing frames from the GPU. The PassMark multi-thread score of 33158 suggests no CPU bottleneck, while the GPU's tensor cores can accelerate AI-based encoding features.

Video editing: The 23150 Cinebench R23 multi-core score accelerates timeline rendering and export tasks. The GPU's 23.04 TFLOPS FP32 and 16 GB VRAM handle effects, color grading, and 4K previews with headroom for complex compositions.

3D rendering: CPU-based rendering will leverage the 16 cores effectively, as shown by the 3DMark max-thread score of 9067. GPU-based renderers will use the RTX 5080 Mobile's 60 RT cores for ray tracing and 240 tensor cores for denoising, boosting interactive viewports.

Software development: Compilation times will shrink thanks to the 24 threads and high L3 cache. The PassMark integer math score of 113416 and floating point math score of 84410 indicate strong number-crunching for scientific computing and data processing.

Student and office work: The single-thread score of 3745 in PassMark handles office suites and web browsing with ease. The integrated UHD Graphics 770 provides a fallback if the discrete GPU is disabled for battery saving, though the 55 W CPU TDP and 80 W GPU TDP mean this laptop will require frequent charging under load.

# Upgrade Path and Platform

The socket is Intel BGA 1964, which is a soldered mobile platform — this means the CPU itself is not upgradeable. Users cannot swap out the processor for a newer model; the laptop's motherboard is fixed. Memory support includes both DDR4 and DDR5 in dual-channel mode, so users can upgrade RAM if the laptop has SO-DIMM slots, but this depends on the specific manufacturer design. The PCIe interface is Gen 5 with 20 lanes from the CPU, which provides future-proofing for next-generation NVMe SSDs that can exceed current Gen 4 speeds.

The GPU is also soldered into the laptop, so there is no discrete GPU upgrade path. The RTX 5080 Mobile uses PCIe 5.0 x16 bus interface, which is the latest standard, but the physical connection is fixed. The suggested PSU is not listed, and the GPU's TDP is 80 W with no power connectors specified because it is an IGP (integrated graphics processor) soldered onto the board. The CPU TDP is 55 W, so the combined thermal budget of 135 W for CPU and GPU alone means the laptop's cooling solution must dissipate at least that much heat continuously, plus overhead for other components. A sensible next upgrade would be adding more RAM if the system has free slots, or replacing the NVMe storage with a larger Gen 5 drive to take advantage of the PCIe 5.0 lanes. The platform is otherwise at its limit — the CPU and GPU are both active production parts with no successors mentioned for this specific pairing.

# Benchmark Performance

The CPU's average benchmark score is 35003, placing it in the 84th percentile among all CPUs. Its nearest rival, the Intel Core i7-13800H, scores 34988 with a 0% delta, making them statistically identical. The Intel Core 7 253PTE scores 34962 (0.1% delta), the Intel Core i5-14500HX scores 35094 (-0.3% delta), and the Intel Xeon 6349P scores 34890 (0.3% delta). All rivals are within a 0.6% band, so the i9-12900HX is effectively tied with them in aggregate performance. Specific CPU benchmarks include Cinebench R23 multi-core of 23150 and single-core of 1912.5, PassMark multi-thread of 33158, and 3DMark max-thread of 9067.

The GPU's average benchmark score is 38349, placing it in the 81st percentile among all GPUs. Its nearest rivals show a wider spread: the NVIDIA GeForce MX570 scores 38299 (0.1% delta), the RTX 4080 Mobile scores 38135 (0.6% delta), the MX570 A scores 38691 (-0.9% delta), and the AMD Radeon Pro 580X scores 38706 (-0.9% delta). The RTX 5080 Mobile is 0.6% ahead of the RTX 4080 Mobile and 0.9% behind the Radeon Pro 580X. Key GPU benchmarks include 3DMark Steel Nomad DX12 of 4952, GeekBench Vulkan of 169754, and PassMark G3D of 27711. The combined picture is a system where the CPU is slightly more competitive (84th percentile) than the GPU (81st percentile), with a combined percentile of 83. This suggests the CPU has a touch more headroom relative to its peers than the GPU, but both are high performers in the top quintile of their respective categories.

# Build Overview

This is a laptop build class pairing the Intel Core i9-12900HX with the NVIDIA GeForce RTX 5080 Mobile. The CPU is a 16-core, 24-thread mobile processor from the Core 12th Gen series, built on Alder Lake architecture with a 10 nm process. The GPU is a GeForce 50-series mobile part based on Blackwell 2.0 architecture with a 5 nm process and 45,600 million transistors on a 378 mm² die. The combined percentile is 83, meaning this pairing outperforms 83% of all CPU+GPU combinations in the database. The CPU's individual percentile of 84 is slightly higher than the GPU's 81, indicating the processor is marginally stronger relative to its peers. This is a high-end mobile configuration aimed at gaming and content creation, with the GPU's 16 GB GDDR7 memory and 896.0 GB/s bandwidth providing substantial bandwidth for modern workloads. The build is not a desktop — it is a portable system with fixed components, so users should not expect any upgradeability beyond memory and storage.

# FAQ

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

A: The Intel Core i9-12900HX has 16 cores and 24 threads, with a base clock of 2.30 GHz and a boost clock of 5.00 GHz.

Q: How does the CPU compare to its nearest rival?

A: The CPU's average score is 35003, which is 0% different from the Intel Core i7-13800H (34988) and 0.3% ahead of the Intel Xeon 6349P (34890). All nearest rivals are within a 0.6% band.

Q: What is the GPU's VRAM capacity and bandwidth?

A: The RTX 5080 Mobile has 16 GB of GDDR7 memory on a 256-bit bus, providing a bandwidth of 896.0 GB/s.

Q: Is there measured FPS data for this CPU+GPU combination?

A: No, the FACT PACK contains no measured FPS rows for this exact pairing. All FPS estimates are derived from benchmark scores and should be treated as projections.

Q: What is the combined percentile of this build?

A: The combined percentile is 83, meaning it outperforms 83% of all CPU+GPU pairings in the database.

Q: Does the CPU support ECC memory?

A: Yes, the Intel Core i9-12900HX supports ECC memory, along with both DDR4 and DDR5 in dual-channel mode.

Q: What is the GPU's architecture and process node?

A: The RTX 5080 Mobile uses Blackwell 2.0 architecture on a 5 nm process from TSMC, with 60 RT cores and 240 tensor cores.

# GPU Analysis

The NVIDIA GeForce RTX 5080 Mobile is a high-end mobile GPU based on the GB203 chip, built on Blackwell 2.0 architecture with a 5 nm process at TSMC. It packs 45,600 million transistors on a 378 mm² die, yielding a transistor density of 120.6M per mm². The GPU has 7680 shading units, 240 texture mapping units, and 96 raster output units. Clock speeds are a base of 975 MHz and a boost of 1500 MHz, with memory clocked at 1750 MHz, effective 28 Gbps. The 16 GB GDDR7 memory on a 256-bit bus delivers 896.0 GB/s of bandwidth, which is substantial for high-resolution textures and compute workloads.

The benchmark scores reveal a capable but not class-leading mobile GPU. The 3DMark Steel Nomad DX12 score of 4952 indicates strong performance in modern DirectX 12 titles. The GeekBench Vulkan score of 169754 and OpenCL score of 166986 show balanced compute across different APIs. PassMark G3D scoring of 27711 places it in the 81st percentile, with the nearest rival being the NVIDIA GeForce MX570 at 38299 (0.1% delta). The RTX 4080 Mobile scores 38135, which is 0.6% behind this GPU. The pixel rate of 144.0 GPixel/s and texture rate of 360.0 GTexel/s provide the raw throughput needed for high-refresh gaming.

For rendering workloads, the 60 RT cores handle ray tracing, while the 240 tensor cores accelerate AI-based tasks like DLSS and denoising. The FP32 performance of 23.04 TFLOPS and FP16 of 23.04 TFLOPS (1:1 ratio) mean that both single-precision and half-precision workloads run at the same speed, which is beneficial for machine learning inference. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, covering all modern graphics APIs. The TDP is 80 W, which is low for the performance level, suggesting efficient power management. The bus interface is PCIe 5.0 x16, ensuring no bandwidth bottleneck with the CPU. The predecessor is the GeForce 40 Mobile, and this GPU is a clear generational step, though the exact performance uplift over the RTX 4080 Mobile is only 0.6% in average benchmark scores, indicating that architectural improvements are modest in aggregate despite the newer process node.