SYSTEM ANALYZER

Rate My PC: Intel Core i5-12450HX + NVIDIA GeForce RTX 4080 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
95%
PROCESSOR

Intel Core i5-12450HX

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

NVIDIA GeForce RTX 4080 Mobile

38,135 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

This pairing combines an 8-core Alder Lake-HX mobile processor with NVIDIA's top-tier Ada Lovelace mobile GPU in a laptop chassis. The data shows a system built for serious work and high-end gaming, but the relationship between the two components is not perfectly balanced. The CPU, while capable, sits at the 77th percentile among all processors, while the GPU claims the 81st percentile among all graphics cards. This 4-point gap indicates the graphics processor is the stronger partner, meaning in GPU-bound scenarios like high-resolution gaming, the RTX 4080 Mobile will be the primary driver of performance. Conversely, in lightly-threaded tasks or CPU-intensive simulations, the i5-12450HX will be the limiting factor.

The benchmark data confirms this dynamic. The CPU's Cinebench R23 multicore score of 11390 is solid for a mobile chip, but it is not class-leading. The GPU's Passmark G3D score of 24926 is exceptionally high, placing it in the top tier of mobile graphics. When these two are combined, the system's overall combined percentile is 79, reflecting the slight drag from the CPU on the GPU's potential. For gaming at 1080p or 1440p, the CPU will often be the bottleneck, preventing the GPU from reaching its maximum frame output. However, at 4K resolution or in games with heavy graphics settings, the workload shifts almost entirely to the GPU, and the system's performance will be dictated by the RTX 4080 Mobile's capabilities.

Balance and Bottleneck

The fundamental balance of this system is defined by a significant GPU advantage over the CPU. The RTX 4080 Mobile's average benchmark score of 38135 is 55% higher than the CPU's average benchmark score of 24576. This disparity means that in most gaming scenarios, the CPU will hit its limit before the GPU is fully utilized. The i5-12450HX's Passmark single-thread score of 3340 is respectable, but it is the multicore performance that will govern modern game engines. The Cinebench R23 multicore score of 11390 indicates a processor that can handle modern titles, but it will not be able to feed the RTX 4080 Mobile's massive frame-rendering capacity at lower resolutions.

The bottleneck shifts depending on the workload. In a game like a fast-paced esports title at 1080p, the CPU will be the constraint. The system will deliver high frame rates, but the GPU will be waiting on the CPU to submit draw calls. In a graphically demanding AAA title at 4K with ray tracing enabled, the GPU becomes the limiting factor. The RTX 4080 Mobile's 58 RT cores and 232 tensor cores will be working at full capacity, and the CPU will have ample headroom. For productivity, the balance is more even. The CPU's 8 cores and 12 threads will be fully utilized in video editing and 3D rendering, while the GPU's CUDA cores can accelerate certain tasks like GPU-accelerated rendering or AI inference.

The data suggests that the i5-12450HX is not a high-end enthusiast processor, but rather a strong mid-range part. Its nearest rivals include the Intel Core i5-11600, which has an average score of 24563, a 0.1% delta. This means the mobile chip performs almost identically to a previous-generation desktop processor. The AMD Ryzen 7 5700X3D is a close competitor with a 0.5% lead, and the AMD Ryzen 5 7600X3D is 0.6% ahead. This places the CPU in a performance tier that is capable, but not exceptional. In contrast, the RTX 4080 Mobile's nearest rival is the NVIDIA GeForce MX570, which has a 0.4% higher average score. This is a strange pairing of rivals, but it highlights the GPU's position among all GPUs, not just mobile ones. The RTX 5080 Mobile is only 0.6% faster, suggesting that this GPU has near-flagship performance even against newer parts.

No measured FPS rows exist for this exact combination, so all frame rate discussion is estimated from the benchmark scores. The estimated FPS scaling suggests that at 1080p, the CPU will limit performance in many titles, leading to frame rates that are high but not as high as the GPU alone could achieve. At 1440p, the balance improves, and at 4K, the system becomes GPU-bound, delivering performance that is entirely dependent on the RTX 4080 Mobile's capabilities.

Benchmark Performance

The CPU's benchmark scores paint a picture of a capable mobile processor. In Cinebench R20, it scores 6304 in multicore and 889 in single-core. The R23 scores are 11390 and 2119, respectively. The Passmark tests show a strong all-rounder: a multithread score of 18274, an integer math score of 57189, and a floating-point math score of 43126. Data compression is a strong point with a score of 219707, while encryption is less impressive at 12110. The single-thread score of 3340 is solid for gaming and general responsiveness.

The GPU's benchmark scores are where this system shines. The Passmark G3D score of 24926 is a top-tier result, placing it in the 81st percentile of all GPUs. The Geekbench OpenCL score of 159575 and Vulkan score of 145807 confirm its strength in compute and modern graphics APIs. The DirectX 12 score of 96 and DirectX 11 score of 244 show strong performance in current and legacy APIs. The GPU compute score of 11191 indicates significant power for non-graphics workloads.

The combined picture is one of a system with a powerful GPU that is slightly held back by a mid-range CPU. The combined percentile of 79 reflects this. In pure graphics performance, the system is near the top of the heap, but in CPU-bound tasks, it will perform like a mid-range machine. The average benchmark score for the CPU is 24576, which is 0.1% ahead of the Intel Core i5-11600 and 0.5% ahead of the AMD EPYC 9654P. This is a solid result, but it is not in the same league as the GPU's performance relative to its peers.

Usage Scenarios

High-Refresh Gaming: At 1080p, the CPU will be the primary limiter, preventing the RTX 4080 Mobile from reaching its maximum frame rates. The Passmark single-thread score of 3340 is adequate, but the multicore score of 18274 in Passmark will be the deciding factor in modern games. Expect very high frame rates, but not the absolute maximum the GPU could deliver. At 1440p, the system is better balanced, and at 4K, the GPU becomes the clear bottleneck, allowing the system to stretch its legs.

Streaming: The CPU's 8 cores and 12 threads are sufficient for software encoding at moderate bitrates. However, using the GPU's NVENC encoder via the tensor cores is the better option. The RTX 4080 Mobile's 232 tensor cores can handle encoding with minimal performance impact, leaving the CPU free for the game. The Cinebench R23 multicore score of 11390 suggests that the CPU can handle the game and a streaming application simultaneously, but using GPU encoding is the recommended path.

Video Editing: This is a strong workload for this system. The CPU's 8 cores will handle timeline editing and effects, while the GPU's 24.72 TFLOPS of FP32 performance can accelerate rendering and effects. The Passmark GPU compute score of 11191 shows that the GPU is capable of significant compute work. The 12 GB of GDDR6 VRAM is also beneficial for handling large video files and GPU-accelerated effects.

3D Rendering: The CPU will be the bottleneck in CPU-based rendering. The Cinebench R23 multicore score of 11390 is decent, but it is not a workstation-class result. For GPU-based rendering engines, the RTX 4080 Mobile is exceptional. The 58 RT cores and 24.72 TFLOPS of FP32 performance will provide excellent render times in applications that support CUDA or OptiX.

Software Development: The Passmark data encryption score of 12110 and integer math score of 57189 indicate solid performance for compilation and code execution. The 12 threads will handle parallel builds well. The system is well-suited for development work, though the mobile platform's thermal constraints may limit sustained all-core boost clocks.

Student and Office Work: This system is massively overpowered for these tasks. The CPU's performance is more than sufficient for document editing, web browsing, and spreadsheets. The GPU is completely unnecessary for these workloads. The Passmark G2D score of 929 is adequate for 2D applications, but the battery life will be poor if the GPU is active. For a student, this is a high-performance machine that will excel in any academic workload, but it is not an efficient choice for basic tasks.

Who Should Build It

This build is for a specific user: a laptop gamer or content creator who wants near-desktop-class graphics performance and is willing to accept a mid-range CPU. The RTX 4080 Mobile is the star of the show, and the i5-12450HX is the supporting actor. This system is ideal for gamers who play at 1440p or 4K with high graphics settings, as the GPU will be the primary driver. It is also well-suited for video editors and 3D artists who use GPU-accelerated renderers and need a powerful GPU in a portable form factor. The 12 GB of VRAM is a key asset for this use case.

For developers, this system offers a good balance of CPU and GPU compute. The CPU's 12 threads can handle compilation, and the GPU's 7424 shading units can accelerate parallel workloads like machine learning inference. The system is not ideal for users who need maximum CPU performance for CPU-bound rendering or heavy multitasking, as the i5-12450HX is not a flagship part. Small business workstations that need to run GPU-intensive applications like CAD or data visualization would benefit from this pairing. The system is not for budget-conscious buyers; its performance tier is firmly in the high-end segment. The 77th percentile CPU and 81st percentile GPU place it in the upper echelon of laptop performance, but a user who needs the absolute best CPU performance should look elsewhere.

Upgrade Path and Platform

The CPU uses the Intel BGA 1964 socket, which is a mobile-specific socket. This means the CPU is soldered to the motherboard and cannot be upgraded. The platform supports DDR4 and DDR5 memory, though the specific memory type is dependent on the laptop's motherboard design. The memory bus is dual-channel, which is standard for mobile platforms. The CPU provides PCIe Gen 5 with 20 lanes, but the GPU is connected via PCIe 4.0 x16. This means the GPU is not using the full PCIe 5.0 bandwidth, but this is not a performance issue for current GPUs.

The CPU has a TDP of 55W, and the GPU has a TDP of 110W. This is a combined TDP of 165W for the core components, not including the display, memory, storage, and other components. The suggested PSU is null, but a laptop power adapter will need to provide adequate wattage for the entire system. The data shows no suggested PSU, but the combined TDP of 165W suggests a 200W or higher adapter is necessary. For a desktop, this would be a low-power system, but for a laptop, it is a high-power configuration that will require a robust cooling solution.

A sensible next upgrade is not possible for the CPU or GPU, as they are soldered. The only upgradeable components in a laptop are typically the RAM and storage. Upgrading to more RAM or a faster NVMe SSD would be the most practical path. The platform's support for DDR5 means that a user could upgrade to faster memory if the laptop supports it. The PCIe Gen 5 support from the CPU is a future-proofing feature that is not fully utilized by the current GPU, but it would benefit a future GPU upgrade, though that is not possible in a mobile platform.

GPU Analysis

The NVIDIA GeForce RTX 4080 Mobile is based on the AD104 chip, built on a 5 nm process by TSMC. It has 35,800 million transistors on a 294 mm² die, resulting in a transistor density of 121.8M per mm². The GPU has a base clock of 1290 MHz and a boost clock of 1665 MHz. The memory runs at 2250 MHz, which translates to 18 Gbps effective. The 12 GB of GDDR6 memory is on a 192-bit bus, providing a bandwidth of 432.0 GB/s. This is a substantial amount of VRAM and bandwidth for a mobile GPU, enabling high-resolution textures and smooth performance at 4K.

The GPU has 7424 shading units, 232 TMUs, and 80 ROPs. It also features 58 RT cores and 232 tensor cores. The pixel rate is 133.2 GPixel/s, and the texture rate is 386.3 GTexel/s. The FP32 performance is 24.72 TFLOPS, and the FP16 performance is also 24.72 TFLOPS with a 1:1 ratio. This indicates that the GPU is not specialized for FP16, which is common for gaming GPUs. The TDP is 110W, which is a significant power draw for a mobile GPU.

The benchmark scores confirm the GPU's high-end status. The Passmark G3D score of 24926 places it in the 81st percentile. The Geekbench OpenCL score of 159575 and Vulkan score of 145807 are strong, indicating excellent compute and graphics performance. The Passmark GPU compute score of 11191 is also high, showing that the GPU can handle non-graphics workloads well. The DirectX 12 score of 96 is a top-tier result, and the DirectX 11 score of 244 is also strong. For rendering, the 24.72 TFLOPS of FP32 performance and the 58 RT cores make this GPU a powerful tool for GPU-accelerated rendering. The 12 GB of VRAM is sufficient for most 4K textures and complex scenes.

FAQ

Q: Is the Intel Core i5-12450HX a bottleneck for the RTX 4080 Mobile?

A: Yes, in CPU-bound scenarios like 1080p gaming, the CPU will limit performance. The CPU's Passmark single-thread score of 3340 and Cinebench R23 multicore score of 11390 are solid, but the GPU's Passmark G3D score of 24926 is significantly higher, indicating the GPU is the stronger component.

Q: How much VRAM does the RTX 4080 Mobile have, and is it enough?

A: The GPU has 12 GB of GDDR6 memory on a 192-bit bus with 432.0 GB/s of bandwidth. This is sufficient for 4K gaming and most professional workloads, including video editing and 3D rendering with large textures.

Q: What is the performance difference between this CPU and its nearest rival?

A: The CPU's average benchmark score is 24576, which is 0.1% higher than the Intel Core i5-11600 and 0.5% higher than the AMD EPYC 9654P. It trails the AMD Ryzen 7 5700X3D by 0.5% and the AMD Ryzen 5 7600X3D by 0.6%.

Q: Can this system handle 4K gaming?

A: Yes, the RTX 4080 Mobile is powerful enough for 4K gaming. The GPU's 24.72 TFLOPS of FP32 performance and 12 GB of VRAM are sufficient. At 4K, the workload is GPU-bound, so the CPU bottleneck is less of an issue.

Q: What is the combined performance percentile of this build?

A: The combined percentile is 79, based on the CPU's 77th percentile and the GPU's 81st percentile. This places the system in the upper echelon of laptop performance.

Q: Does this system support DDR5 memory?

A: Yes, the CPU's memory support includes DDR4 and DDR5, with a dual-channel memory bus. The specific memory type depends on the laptop's motherboard design.

Q: What is the GPU's performance relative to the NVIDIA GeForce RTX 5080 Mobile?

A: The RTX 4080 Mobile's average benchmark score is 38135, which is 0.6% lower than the RTX 5080 Mobile's score of 38349. This indicates that the 4080 Mobile is nearly as fast as its newer successor.

Build Overview

This is a laptop build that pairs the Intel Core i5-12450HX with the NVIDIA GeForce RTX 4080 Mobile. The build class is laptop, and the combined percentile is 79. The CPU is a mid-range mobile processor, while the GPU is a high-end mobile graphics card. The system is designed for users who prioritize graphics performance over CPU performance. The 77th percentile CPU is capable, but the 81st percentile GPU is the star of the show. This is a system for high-refresh gaming at 1440p, 4K gaming, and GPU-accelerated content creation. The overall tier is upper-mid-range to high-end, with the GPU providing the majority of the system's performance potential. The CPU will not hold back the GPU in most GPU-bound workloads, but it will be the limiting factor in CPU-intensive tasks.

CPU Analysis

The Intel Core i5-12450HX is a mobile processor from the Core 12th Gen series, based on the Alder Lake architecture and codenamed Alder Lake-HX. It has 8 cores and 12 threads, with a base clock of 2.40 GHz and a boost clock of 4.40 GHz. The TDP is 55W, which is typical for a high-performance mobile processor. The CPU is built on a 10 nm process by Intel, with a die size of 215 mm². It supports DDR4 and DDR5 memory in a dual-channel configuration. The PCIe support is Gen 5 with 20 lanes from the CPU, though the GPU uses PCIe 4.0 x16. The integrated graphics is UHD Graphics 710, which is basic and not intended for gaming.

The cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 12 MB of shared L3 cache. The benchmark scores show a capable processor. The Cinebench R23 multicore score of 11390 and single-core score of 2119 are solid for a mobile chip. The Passmark multithread score of 18274 and single-thread score of 3340 confirm its balance. In real workloads, the CPU can handle video editing, software development, and moderate 3D rendering. However, it is not a flagship part, and its 77th percentile ranking reflects that. The nearest rival is the Intel Core i5-11600, which has a 0.1% higher average score. This means the mobile chip performs almost identically to a previous-generation desktop processor, which is a strong result for a laptop CPU. The CPU's 8 cores and 12 threads are sufficient for modern gaming and productivity, but the lack of more cores means it will trail higher-end parts in heavily threaded workloads. The 12 MB of L3 cache is adequate for gaming. The CPU is a good match for the RTX 4080 Mobile in GPU-bound scenarios, but it will be the limiting factor in CPU-bound tasks.