SYSTEM ANALYZER

Rate My PC: Intel Core i5-12400 + NVIDIA GeForce RTX 4080

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

90 / 100
ULTIMATE READY

Apex Performer

Top 10% 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
84%
VS
GPU
97%
PROCESSOR

Intel Core i5-12400

18,683 Benchmark Score
Top 16% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 4080

54,247 Benchmark Score
Top 3% 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 i5-12400 paired with the NVIDIA GeForce RTX 4080 is a desktop build that combines a mid-range 12th Gen Intel processor with a flagship-tier Ada Lovelace graphics card. The i5-12400 brings six physical cores and twelve threads from the Alder Lake-S architecture on a 10 nm process, boosting up to 4.40 GHz from a 2.50 GHz base. The RTX 4080 is built on the AD103 chip using TSMC’s 5 nm node with 45,900 million transistors on a 379 mm² die. This pairing sits at the 79th percentile overall compared to all CPU-GPU combinations in the database, indicating a strong but not absolute top-end configuration. The following analysis uses the measured benchmark data to break down what this build does well, where it struggles, and who should consider it.

CPU Analysis

The Intel Core i5-12400 is a six-core, twelve-thread processor from the Core 12th Gen family, built on the Alder Lake-S codename. The die is 163 mm², fabricated on Intel’s 10 nm process, and it supports both DDR4 and DDR5 memory in a dual-channel configuration. The cache hierarchy breaks down to 80 KB of L1 per core, 1.25 MB of L2 per core, and 18 MB of shared L3 cache. With a 65 W TDP and no unlocked multiplier, this is a fixed-clock chip that cannot be overclocked via a simple multiplier adjustment. It includes UHD Graphics 730 integrated graphics, which is a fallback for basic display output, but the real work in this build is done by the dedicated RTX 4080.

The CPU’s performance profile is best understood through its benchmark scores. In Cinebench R23, it scores 15989 multi-core and 2257 single-core. The single-core number is strong relative to its class, but the multi-core score reflects the six physical cores. In Geekbench, it achieves 8564 multi-core and 1848 single-core. The 3DMark thread scaling tests show a progression from 910 in single-thread to 1692 in two threads, 3012 in four threads, 4745 in eight threads, and 5873 in sixteen threads. The near-identical score between the 16-thread test (5873) and max-thread test (5890) shows that the 12 threads are fully utilized and that adding more logical processors beyond that provides no benefit. This is a textbook showing for a six-core part. It has enough parallelism for modern games and productivity apps, but it will be outclassed by higher-core-count parts in heavily threaded rendering.

PassMark tests add more texture. The multi-thread score is 18747, but the single-thread score is 3456. Integer math hits 58366, floating-point math 45494, and extended instructions 15399. Data compression reaches 226908, while data encryption is 11418. The random string sorting score is 22366. Find prime numbers is only 68, which is a weak result relative to the other math tests, but it is not representative of real-world performance. The CPU’s average benchmark score is 18683, placing it at the 72nd percentile of all tested CPUs. Its nearest rival is the AMD EPYC 7643 with an average score of 18697, a difference of only -0.1%, meaning the i5-12400 is statistically tied with that server processor in aggregate. It also sits within 0.9% of the Intel Core i3-14100F (18519), which is a lower-tier part. This tells you that the i5-12400 trades blows with the i3-14100F in overall benchmark average, but the i5 has two more cores if you look at the underlying thread tests.

Offset against the RTX 4080, the CPU’s 72nd percentile is the weaker link. The GPU is in the 86th percentile. For gaming, the i5-12400 can feed the RTX 4080 at high frame rates in most titles, but it is not the ideal match for a GPU of this class. The data shows that when the CPU is the limit, you will see frame rates plateau. For streaming or gaming plus background tasks, the twelve threads are sufficient for a good experience, but not for heavy multi-tasking. Video editing in a modern editor will use the cores well; the Cinebench R23 multi-core of 15989 is a solid result for a 65 W part. For software compilation or 3D rendering, the same score translates to a competent but not remarkable workstation. The i5-12400 is a solid mainstream CPU, but it is the kind of processor that pairs naturally with a mid-range GPU, and with the RTX 4080, it will be the limiting factor in many scenarios.

Benchmark Performance

The combined benchmark performance of this build is defined by the GPU’s high percentile and the CPU’s mid-to-upper percentile. The RTX 4080 scores 34457 in Passmark G3D, with a 1239 in G2D and 20671 in GPU compute. It achieves a Geekbench OpenCL score of 214739 and a Vulkan score of 263779. In 3DMark Steel Nomad DX12, it scores 6567. The GPU’s average benchmark score is 54247, which puts it at the 86th percentile of all GPUs. Its nearest rival is the NVIDIA GeForce RTX 4080 SUPER, which has an average score of 54209, a delta of only 0.1% faster than the 4080. That makes the 4080 a very close match to its successor in terms of raw aggregate score. The AMD Radeon Pro W5700X is 1.1% faster, and the AMD Radeon RX 6750 GRE 12 GB is 2.6% faster in the average benchmark. These rival deltas are small, meaning the RTX 4080 is positioned right at the top of a tight cluster of very fast graphics cards.

The pair’s combined percentile is 79, which means it outperforms 79% of all tested CPU+GPU combinations in the database. The pair rank by FPS is 350 out of 3732 pairs, with an average FPS across all tested games of 191.9. That average FPS is high because it includes many light esports titles that run at several hundred frames per second. The measured FPS data confirms that this build is a strong gaming system, but the CPU bottleneck is visible in certain titles.

The CPU’s average benchmark score of 18683 puts it in the 72nd percentile, while the GPU’s average score of 54257 puts it in the 86th. This gap in percentiles is the core story of the build’s balance. In games that are CPU-bound, the i5-12400 will cap the frame rate. In games that are GPU-bound, the RTX 4080 will deliver flagship-level results. The combined picture is one where the GPU is the star, and the CPU is a capable, but not equal, partner. The data shows that in 3DMark thread tests, the CPU scales from 1692 at 2 threads to 5873 at 16 threads. That is a 3.5x increase from 2 to 16 threads, which is decent scaling for a 6-core/12-thread part.

Usage Scenarios

High-refresh gaming: The i5-12400 can drive high frame rates in many titles. In Counter-Strike 2 at 1080p, the system hits 325 FPS, and at 1440p 215 FPS. In Valorant, it reaches 434 FPS at 1080p and 412 FPS at 1440p. These numbers are far above the refresh rates of most monitors. Rainbow Six Siege scores 386 FPS at 1080p and 253 at 1440p. This build is excellent for 1080p and 1440p high-refresh gaming in competitive shooters.

Streaming: The 12 threads of the i5-12400 are enough for streaming while gaming, but the CPU will be more stressed than a higher-core part. The CPU’s multi-thread score of 15989 in Cinebench R23 and the 3dmark max-thread score of 5890 show a decent, but not massive, amount of headroom for encoding while gaming. For a single-PC streaming setup, the i5-12400 can handle it, but it is not the ideal chip for a dedicated streaming rig.

Video editing: The i5-12400’s 15989 Cinebench R23 multi-core score and 8564 Geekbench multi-core score are respectable for 1080p and some 1440p video editing. Export times will be longer than with a higher-core part, but the system will be responsive. The RTX 4080’s 20671 GPU compute score in PassMark can accelerate effects and rendering, but the CPU is still the bottleneck.

3D rendering: This is a workload that is heavily multi-threaded. The i5-12400 is not a top renderer. The 15989 Cinebench R23 score is a good result for a six-core, but in a render farm scenario, a 16-core or 24-core part would be much faster. The RTX 4080 has 45,900 million transistors and a 48.74 TFLOPS FP32, which can help with GPU rendering, but the CPU will still be a limit for CPU-based renders.

Software development: Compilation benefits from many cores. The i5-12400’s 12 threads and 5873 3D Mark max-thread score are adequate for a developer who compiles occasionally. The fast single-thread score of 3456 in PassMark single-thread helps with build times that are not fully parallel. For a small project, it is fine, but for huge codebases, a faster CPU is better.

Student and office work: This build is overkill for office tasks. The i5-12400’s single-thread score of 3456 in PassMark is enough for spreadsheet and document work, and the RTX 4080 is unused. The 65 W TDP means the CPU runs cool, and the system is quiet. But for a simple student laptop or desktop, this is far more than needed. The data shows that in a game like Barony, the system runs at 274 FPS at 1080p, which is unnecessary for an office environment.

Who Should Build It

The target user for this build is a gamer who plays at 1440p or 4K in demanding titles and has a budget that allows for a top-tier GPU. The measured FPS at 1440p in Cyberpunk 2077 is 71 FPS, which is smooth. At 4K, it drops to 47 FPS, which is playable but not locked to a high refresh. A gamer who wants max settings at 1440p in AAA titles is the primary. The RTX 4080’s 86th percentile makes it a great fit for high-resolution gaming, but the i5-12400 will hold back at lower resolutions.

Content creators who use GPU-accelerated software will benefit. The RTX 4080’s 48.74 TFLOPS FP32 and 761.5 GTexel/s texture rate are strong for video editing and 3D rendering in GPU-accelerated apps. A creator who works with 4K footage and uses the GPU for effects will see excellent results. However, a creator who is CPU-bound will find the i5-12400 is the limiting factor.

Developers who build code and test games will get the performance they need. The 72nd percentile for the CPU is above average, and the RTX 4080 can run any engine. The 16 GB of VRAM is useful for game development. Students and small business workstations do not need this level of performance. The build is better suited to someone who games at high refresh rates or does GPU-heavy creative work. For small business workstations, a lower GPU and a higher-core CPU would be a better match.

Gaming Performance

The measured FPS data is drawn from a comprehensive test suite, and it shows a build that excels at competitive shooters and older titles, but struggles with the heaviest AAA games. In 1080p, the system is extremely fast. Counter-Strike: Global Offensive hits 717 FPS, Valorant 434 FPS, Tom Clancy’s Rainbow Six Siege 386 FPS, Minecraft 320 FPS, and Roblox 420 FPS. These are the numbers that make a 360 Hz monitor possible. At 1440p, the frame rates are still high. Valorant drops to 412 FPS, CS:GO to 494, and CS2 to 215. Even at 4K, Valorant stays at 382 FPS, and CS:GO at 292, which is remarkable.

The picture changes in AAA games. Cyberpunk 2077 runs at 88 FPS at 1080p, 71 at 1440p, and 47 at 4K. Red Dead Redemption 2 is similar: 87 FPS at 1080p, 65 at 1440p, and 43 at 4K. Ark: Survival Ascended is the worst, with only 47 FPS at 1080p, 30 at 1440p, and 16 at 4K. The Medium is also heavy, at 68 FPS 1080p, 57 at 1440p, and 45 at 4K. These numbers show that the RTX 4080 is a very strong card, but the i5-12400 is the bottleneck in these CPU-intensive games. The 47 FPS at 1080p in Ark is a clear sign of a CPU limit, because the GPU is not being used at 100% of its 1080p potential. In contrast, a lighter game like Assetto Corsa runs at 192 FPS at 1080p, 134 at 1440p, and 81 at 4K.

The data confirms that this build is best for high-refresh 1080p and 1440p gaming for esports, and for 4K gaming in less demanding titles. For 4K in the heaviest AAA games, you will need to enable upscaling or reduce settings to get a smooth frame rate.

FAQ

Q: What is the combined percentile of this CPU+GPU pair?

A: The combined percentile is 79, meaning it outperforms 79% of all tested CPU+GPU pairs in the database.

Q: How fast is the RTX 4080 compared to the RTX 4080 SUPER?

A: The RTX 4080 has an average score of 54257, while the RTX 4080 SUPER has an average score of 54209, a difference of 0.1% in favor of the 4080 SUPER. They are statistically tied.

Q: What is the CPU’s strongest and weakest benchmark area?

A: The CPU’s strongest is in data compression at 226908 in PassMark, and its weakest is in finding prime numbers, scoring only 68.

Q: Can this system run Valorant at 4K?

A: Yes, Valorant runs at 382 FPS at 3840x2160, which is extremely high.

Q: What is the CPU’s 3DMark single-thread score?

A: The single-thread score is 910 in 3dmark_single_thread.

Q: Does the CPU have unlocked multiplier?

A: No, the multiplier is not unlocked, so manual overclocking is limited.

Q: What is the RTX 4080’s 3DMark Steel Nomad DX12 score?

A: The score is 6567.

Balance and Bottleneck

The balance between the Intel Core i5-12400 and the RTX 4080 is skewed toward the GPU. The CPU is at the 72nd percentile of all CPUs, while the GPU is at the 86th percentile. This difference means the CPU will be the bottleneck in games that are processor-bound. The measured FPS data shows this clearly. In Ark: Survival Ascended, the system gets 47 FPS at 1080p, which is likely a CPU limit because the GPU is too fast to be the bottleneck at such a low resolution. In contrast, in Valorant, the system gets 434 FPS at 1080p, which is so high that the CPU is the limiting factor, but it is a high enough frame rate to be fine.

In GPU-heavy games, the RTX 4080 is the limiting factor. At 4K in Cyberpunk 2077, the system gets 47 FPS, which is a GPU limit. The GPU is rendering a massive resolution. At 1080p in the same game, it gets 88 FPS, which is likely a CPU limit, because the GPU is not fully utilized at that resolution. The data shows that as resolution increases, the CPU becomes less of a bottleneck. At 4K, the GPU is nearly always the limit, because the pixel count is so high. At 1080p, the CPU is often the limit in non-esports games.

The pair rank of 352 out of 3732 is a strong rank, but not the top. The average FPS across games is 191.9, which is high because of the many esports titles. The CPU’s single-thread score of 910 in 3DMark is good but not exceptional. The GPU’s 48.74 TFLOPS is a very high number. The bottleneck is the CPU’s six cores and twelve threads, which are not enough to keep the RTX 4080 fully fed in all scenarios, especially at 1080p and 1440p in CPU-heavy games.

Build Overview

This is a desktop build that pairs a 65 W six-core Intel processor with a 320 W NVIDIA GeForce RTX 4080. The i5-12400 is a mainstream CPU with a 72nd percentile, and the RTX 4080 is a high-end GPU with an 86th percentile. The overall build sits at the 79th percentile of all CPU+GPU pairs, which is a solidly high tier. The RTX 4080 is a triple-slot card, 310 mm long, 140 mm tall, and 61 mm wide, with a 16-pin power connector. It requires a 700 W power supply, and it has a 320 W TDP. The i5-12400 has a 65 W TDP.

The combination is a desktop build that is designed for high-end gamers and prosumers. The RTX 4080 is the main performance driver, and the i5-12400 is a capable partner that will not hold back the GPU in most high-resolution scenarios, but is not the ideal match. The benchmark data shows that this pair is in the top 20% of all tested pairs, which makes it a strong performer. The CPU’s 72nd percentile is the weak link, but the GPU’s 86th percentile makes up for it in many workloads. The data suggests that this is a great choice for someone who wants a top-tier graphics card and is willing to accept a mid-range CPU that will need to be upgraded to unlock the full potential of the RTX 4080.

Upgrade Path and Platform

The Intel Core i5-12400 is on the Intel Socket 1700 platform, which supports both DDR4 and DDR5 memory in a dual-channel configuration. The memory bus is dual-channel, and the CPU supports PCIe Gen 5 with 16 lanes from the CPU. This platform is the LGA 1700 socket, which has been supported across Intel’s 12th, 13th, and 14th generation Core processors. The i5-12400 is a 65W part, and the suggested PSU for the RTX 4080 is 700W, which is a reasonable amount for this system. The RTX 4080 has a 320W TDP and a 16-pin power connector.

Upgrading the CPU within the same socket is the most sensible path. If a user wants to reduce the CPU bottleneck, they can install a higher-core 13th or 14th generation CPU in the same LGA1700 socket, without changing the motherboard or memory. This would raise the CPU percentile and better match the RTX 4080’s 86th percentile. For example, a higher-core CPU would improve the 3D Mark max-thread score from 5873 and the Cinebench R23 multi-core from 15989. The RTX 4080 is already an end-of-life product with a successor in the GeForce 50 series, so the next GPU upgrade would be to a newer architecture. But for now, the RTX 4080 remains a top-tier GPU.

The memory support for both DDR4 and DDR5 means a user can keep their existing DDR4 or move to a DDR5 motherboard. The CPU’s PCIe Gen 5 support is forward-looking, but the RTX 4080 uses PCIe 4.0 x16, which is fully compatible. The power supply requirement of 700W is a good baseline; a higher-quality 700W or more is recommended for overclocking headroom. The system is a strong foundation for a future CPU upgrade.