SYSTEM ANALYZER

Rate My PC: Intel Core i5-12450HX + NVIDIA GeForce RTX 4090 Mobile

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

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
86%
VS
GPU
96%
PROCESSOR

Intel Core i5-12450HX

24,576 Benchmark Score
Top 14% Market Ranking
View Full Specs →
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
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

The Intel Core i5-12450HX paired with the NVIDIA GeForce RTX 4090 Mobile is a laptop configuration that pairs a mid-range 12th Gen processor with the top-tier mobile Ada Lovelace GPU. The CPU, part of the Alder Lake-HX family, utilizes a hybrid architecture built on Intel’s 10 nm process node. It features 8 cores and 12 threads, with a base clock of 2.40 GHz and a boost clock of 4.40 GHz. The chip is unlocked, allowing for overclocking, and has a thermal design power (TDP) of 55 W. The cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and a shared 12 MB L3 cache. This processor supports both DDR4 and DDR5 memory in a dual-channel configuration, though ECC memory is not supported.

In terms of raw computational throughput, the Cinebench R23 multi-core score of 11,390 points and single-core score of 2,119 points indicate a strong capacity for multi-threaded workloads, though the single-core performance is more modest relative to the top-tier desktop processors. The PassMark multi-thread score of 18,274 and single-thread score of 3,340 further corroborate a balanced profile that favors parallel processing. The processor’s average benchmark score of 24,576 places it at the 77th percentile of all CPUs, meaning it outperforms roughly three-quarters of the processors in the database. The closest rival in terms of average score is the Intel Core i5-11600, which scores 24,563, a difference of just 0.1%. The AMD EPYC 9654P is 0.5% ahead, while the AMD Ryzen 7 5700X3D is 0.5% behind, and the AMD Ryzen 5 7600X3D is 0.6% behind. These negligible deltas show that the i5-12450HX sits in a highly competitive performance tier, virtually indistinguishable from its nearest rivals in aggregate scoring.

Benchmark Performance

The benchmark data reveals a significant disparity between the CPU and GPU capabilities of this build. The Intel Core i5-12450HX achieves an average benchmark score of 24,576, which places it in the 77th percentile of all CPUs. This is a solid result for a mobile processor, indicating it can handle demanding productivity tasks without becoming a primary bottleneck in most scenarios. The Cinebench R23 multi-core score of 11,390 points is particularly relevant for rendering workloads, while the PassMark data encryption score of 12,110 and floating-point math score of 43,126 show strong performance in scientific and cryptographic applications.

The NVIDIA GeForce RTX 4090 Mobile, however, is a different class of hardware. Its average benchmark score of 43,667 places it in the 84th percentile of all GPUs, a full 7 percentile points higher than the CPU. The GPU’s PassMark G3D score of 27,212 is exceptionally high, and its Geekbench OpenCL score of 180,831 demonstrates massive compute throughput. In the combined percentile ranking for this CPU+GPU pair, the build achieves an 81st percentile position, reflecting the GPU’s dominance. The GPU’s nearest rivals include the NVIDIA Quadro M6000, which is 0.8% ahead, and the NVIDIA RTX A6000, which is 0.9% behind. The GeForce RTX 5050 Mobile is 0.9% ahead, maintaining the RTX 4090 Mobile’s position at the high end of the mobile GPU spectrum.

The combined picture is one of imbalance. The CPU is competent but not exceptional, while the GPU is near the pinnacle of mobile graphics performance. For workloads that are heavily GPU-bound, such as 3D rendering or gaming at high resolutions, this pairing will deliver outstanding results. For CPU-bound tasks, the i5-12450HX will hold the system back from reaching the absolute peak performance that the RTX 4090 Mobile could theoretically demand. The data shows that the CPU’s 77th percentile is slightly below the GPU’s 84th percentile, suggesting that in a perfectly balanced system, the CPU would need to be roughly 7 percentile points stronger to fully feed the GPU in all scenarios.

Upgrade Path and Platform

The platform is built around the Intel BGA 1964 socket, which is specific to mobile Alder Lake-HX processors. This is a soldered socket, meaning the CPU is not upgradeable in the traditional sense; the processor is permanently attached to the motherboard. The memory support includes both DDR4 and DDR5, with a dual-channel bus, allowing for flexible memory choices depending on the motherboard design and system builder preferences. The platform provides PCIe Gen 5 support with 20 lanes from the CPU, which is a forward-looking feature that enables high-bandwidth connections for future NVMe storage and external GPU enclosures.

The CPU has a TDP of 55 W, which is relatively high for a mobile chip, indicating that the cooling solution must be robust to sustain sustained multi-core loads. The GPU has a TDP of 120 W, and the combined thermal load of the CPU and GPU will require a substantial cooling system, typical of a high-performance gaming or workstation laptop. The GPU’s suggested PSU is not listed, but the 120 W TDP for the GPU and 55 W for the CPU suggest a total system power draw that would necessitate a large battery and a high-capacity power adapter. The GPU uses a PCIe 4.0 x16 interface, which is more than sufficient to feed the AD103 chip’s bandwidth requirements.

A sensible next upgrade for this platform would be to maximize the memory configuration, either by using high-speed DDR5 modules or by ensuring the dual-channel mode is fully populated. Given that the CPU is soldered, the only practical upgrades are memory and storage. The PCIe Gen 5 lanes from the CPU allow for the installation of the fastest available NVMe SSDs, which can significantly improve load times and data-intensive workloads. The platform’s support for both DDR4 and DDR5 gives system integrators flexibility, but choosing DDR5 would align better with the high-end nature of the RTX 4090 Mobile GPU. There is no path to a stronger CPU within this socket, so the upgrade path is limited to peripherals, storage, and memory.

Who Should Build It

This configuration targets users who prioritize graphics performance above all else. The RTX 4090 Mobile’s 84th percentile ranking and massive compute scores make it ideal for professional 3D artists and animators who work with complex scenes in applications like Blender or Autodesk Maya. The GPU’s 16 GB of VRAM and 576.0 GB/s of bandwidth are well-suited for large texture sets and high-resolution rendering, and the Cinebench scores of the CPU, while not top-tier, are sufficient to handle scene preparation and physics calculations without excessive delays.

For gamers, this build is designed for high-refresh-rate gaming at 1440p or even 4K, where the GPU’s raw power can be fully utilized. The CPU’s 77th percentile ranking means it will not be a significant bottleneck at these resolutions, as the GPU will be the limiting factor in most modern titles. Content creators who edit high-bitrate video will benefit from the GPU’s NVENC encoder and the CPU’s multi-threaded performance, though the CPU will be the weaker link in 4K video export tasks. Software developers working on large codebases will find the CPU’s 12 threads and 12 MB of L3 cache adequate for compilation tasks, while the GPU can accelerate machine learning workloads through its tensor cores.

Students and small business users are less ideal targets for this build, as the price point and power consumption are far beyond what is needed for document editing or spreadsheet work. However, if those users also engage in CAD or data visualization, the GPU’s capabilities become relevant. The build is fundamentally a professional-grade mobile workstation or a high-end gaming laptop, and its performance profile reflects that positioning.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the AD103 chip using TSMC’s 5 nm process node, packing 45,900 million transistors into a 379 mm² die. The GPU operates at a base clock of 1335 MHz and a boost clock of 1695 MHz, with memory running at an effective speed of 18 Gbps. The memory subsystem consists of 16 GB of GDDR6 on a 256-bit bus, delivering a bandwidth of 576.0 GB/s. This is a substantial amount of VRAM and bandwidth, enabling the GPU to handle large datasets and high-resolution textures without spilling into system memory.

The GPU features 9,728 shading units, 304 texture mapping units, and 112 raster output units. It also includes 76 ray tracing cores and 304 tensor cores, making it a fully featured Ada Lovelace part. The pixel rate is 189.8 GPixel/s, and the texture rate is 515.3 GTexel/s. The FP32 performance is rated at 32.98 TFLOPS, with FP16 performance also at 32.98 TFLOPS due to a 1:1 ratio. These figures indicate that the GPU is exceptionally fast at both traditional rasterization and compute-heavy workloads like ray tracing and AI inference.

In benchmark tests, the GPU achieves a PassMark G3D score of 27,212 and a PassMark GPU compute score of 12,347. The Geekbench OpenCL score of 180,831 and Vulkan score of 170,774 are extremely high, reflecting the GPU’s compute muscle. The 84th percentile ranking among all GPUs places it ahead of professional workstation cards like the NVIDIA RTX A6000, which is 0.9% behind. For rendering, this means the RTX 4090 Mobile can handle real-time ray tracing with multiple light sources and complex materials, and its 16 GB VRAM is sufficient for most professional 3D scenes. The tensor cores accelerate DLSS and other AI-based features, which can dramatically boost frame rates in supported games and speed up certain rendering operations.

FAQ

Q: What is the combined percentile ranking of this CPU and GPU pairing?

A: The combined percentile for this build is 81, placing it above the 80th percentile of all systems in the database.

Q: How does the Intel Core i5-12450HX compare to its nearest rival, the Intel Core i5-11600?

A: The i5-12450HX has an average benchmark score of 24,576, which is 0.1% higher than the i5-11600’s score of 24,563.

Q: What is the memory bandwidth of the NVIDIA GeForce RTX 4090 Mobile?

A: The GPU has a memory bandwidth of 576.0 GB/s, achieved through 16 GB of GDDR6 memory on a 256-bit bus.

Q: Does the CPU support ECC memory?

A: No, the Intel Core i5-12450HX does not support ECC memory.

Q: What is the process node for the GPU?

A: The NVIDIA GeForce RTX 4090 Mobile is built on a 5 nm process node by TSMC.

Q: What is the single-core Cinebench R23 score for the CPU?

A: The CPU achieves a Cinebench R23 single-core score of 2,119 points.

Q: How many ray tracing cores does the RTX 4090 Mobile have?

A: The GPU features 76 ray tracing cores, which are part of its Ada Lovelace architecture.

Balance and Bottleneck

The benchmark data indicates a clear imbalance between the CPU and GPU in this build. The CPU sits at the 77th percentile of all CPUs, while the GPU sits at the 84th percentile of all GPUs. This 7-point gap suggests that in workloads that are heavily dependent on the GPU, the CPU will not be the primary constraint, but in CPU-bound scenarios, the i5-12450HX will limit overall performance more than the GPU would. The CPU’s Cinebench R23 multi-core score of 11,390 is respectable, but it is far below the scores of top-tier desktop processors that would typically be paired with an RTX 4090-class GPU in a desktop build.

For gaming, the bottleneck will depend on the resolution and game title. At lower resolutions like 1080p, the CPU’s single-thread performance, as indicated by the PassMark single-thread score of 3,340, may become the limiting factor in esports titles or games with heavy physics simulation. At higher resolutions like 4K, the GPU’s rendering load increases, and the RTX 4090 Mobile’s raw power will be the primary driver of frame rates, making the CPU less of a constraint. The GPU’s PassMark G3D score of 27,212 is so high that even a 10% CPU performance deficit would likely not be noticeable in most graphically demanding games at high settings.

In productivity workloads, the bottleneck shifts. For video editing, the CPU’s 12 threads will handle timeline scrubbing and effects processing, but the GPU’s compute power will accelerate exports and rendering. The CPU’s PassMark data compression score of 219,707 suggests it is fast at file archiving, but the GPU’s FP32 performance of 32.98 TFLOPS will dominate any compute-heavy task. The overall balance is that this build is GPU-optimal, meaning the GPU is the star of the show, and the CPU is a capable but secondary component that will not embarrass itself in most tasks.

Build Overview

This is a laptop-class build, as indicated by the buildClass field, that pairs the Intel Core i5-12450HX with the NVIDIA GeForce RTX 4090 Mobile. The CPU is a mid-range mobile processor from the Alder Lake-HX family, and the GPU is the flagship mobile Ada Lovelace part. The combined percentile ranking of 81 places this system in the upper echelon of all builds in the database, though it is not in the top 20%. The CPU’s 77th percentile and GPU’s 84th percentile indicate that the GPU is the stronger component, and the overall tier of the build is defined by the GPU’s capabilities.

The i5-12450HX is a capable processor with 8 cores and 12 threads, but it is not a high-end part. The RTX 4090 Mobile, on the other hand, is a monster of a GPU that outperforms many desktop cards. This pairing is typical of a laptop where the manufacturer wants to offer the best possible graphics performance at a slightly more accessible price point by using a less expensive CPU. The result is a system that excels at graphics-intensive tasks but is less impressive in CPU-bound workloads. The build is best understood as a GPU-first platform, where the CPU is sufficient to support the GPU’s capabilities without being a major bottleneck in most real-world scenarios.

Usage Scenarios

High-Refresh Gaming: The RTX 4090 Mobile’s 84th percentile ranking and PassMark G3D score of 27,212 ensure that this build can drive high refresh rates at 1440p and even 4K. The CPU’s 77th percentile will keep up in most titles, though esports games at 1080p may see some CPU limitation.

Streaming: The GPU’s tensor cores and dedicated video encoder can handle game capture and streaming simultaneously, while the CPU’s 12 threads are sufficient for encoding overhead. The combined system performance will easily manage a single-PC streaming setup at high bitrates.

Video Editing: The GPU’s 16 GB VRAM and 576.0 GB/s bandwidth accelerate timeline playback and effects, while the CPU’s Cinebench R23 multi-core score of 11,390 handles codec-heavy tasks. Export times will be GPU-accelerated, making this a strong system for 4K editing.

3D Rendering: The GPU’s FP32 performance of 32.98 TFLOPS and 76 ray tracing cores make this a formidable rendering machine. The CPU’s Cinebench scores are adequate for scene setup, but final renders will be GPU-bound and exceptionally fast.

Software Development: The CPU’s PassMark multithread score of 18,274 provides solid compilation times for large codebases. The GPU’s OpenCL score of 180,831 can accelerate certain compute tasks, but the CPU is the primary workhorse here.

Student and Office Work: This build is overkill for document editing and web browsing. The CPU’s single-thread score of 3,340 and GPU’s immense power are wasted on such tasks, but the system will handle them effortlessly, if not efficiently.

Gaming Performance

No measured FPS rows exist for this exact CPU+GPU combination in the FACT PACK. The dataIsMeasured field is false, and the measuredFpsUltraByGame object is empty. Therefore, all frame rate expectations are estimates based on the benchmark scores and percentile rankings of the components.

The RTX 4090 Mobile’s PassMark G3D score of 27,212 is in the 84th percentile of all GPUs, suggesting that it will deliver extremely high frame rates in modern games at ultra settings. At 1080p, the CPU’s single-thread performance could limit frame rates in some titles, as the CPU is at the 77th percentile. However, at 1440p and 4K, the GPU will be the dominant factor, and the build should achieve playable frame rates in nearly all games, with many titles hitting 100+ FPS at 1440p ultra. At 4K, frame rates will vary by title, but the GPU’s 16 GB VRAM and high bandwidth should allow for high texture settings without performance drops. For esports titles like CS:GO or Valorant, the CPU’s PassMark single-thread score of 3,340 may hold frame rates to a few hundred FPS, but that is still far beyond the refresh rate of most laptop displays. Overall, this build is estimated to be an excellent gaming machine, with performance that rivals or exceeds many desktop configurations.