Core i5-12400F vs Ryzen 9 7900X

Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

VS
AMD

Ryzen 9 7900X

12 Cores24 Thrd170 WWMax: 5.6 GHz2022

Popular choices:

i5-12400F

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i5-12400F

2022

Why buy it

  • Costs $375 less on MSRP ($174 MSRP vs $549 MSRP).
  • Delivers 20.1% more PassMark for each dollar spent, at 112.3 vs 93.5 PassMark/$ ($174 MSRP vs $549 MSRP).
  • Draws 65W instead of 170W, a 105W reduction.
  • Includes a boxed cooler (Yes), unlike Ryzen 9 7900X.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 7900X across 6 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (12,380 vs 29,557).
  • Smaller total L3 cache (18 MB vs 64 MB).
  • No integrated graphics, while Ryzen 9 7900X can still boot and troubleshoot without a discrete GPU.

Ryzen 9 7900X

2022

Why buy it

  • Better for gaming: +24.6% higher average FPS across 6 shared CPU benchmark tests.
  • +255.6% larger total L3 cache (64 MB vs 18 MB).
  • 40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Radeon Graphics, while Core i5-12400F needs a discrete GPU.

Trade-offs

  • Lower PassMark per dollar, at 93.5 vs 112.3 PassMark/$ ($549 MSRP vs $174 MSRP).
  • 161.5% higher power demand at 170W vs 65W.
  • No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 9 7900X better than Core i5-12400F?
Yes. Ryzen 9 7900X is the better overall CPU here. You are getting a 24.6% average FPS lead across 6 shared CPU game tests in our data, 138.7% better Cinebench R23 multi-core, 162.8% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 7900X is the better pick here. According to our tests, it delivers 24.6% more average FPS across 6 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 7900X is the better fit. You are getting 138.7% better Cinebench R23 multi-core, backed by 12 cores and 24 threads. It also carries the larger cache pool with 255.6% larger total L3 cache (64 MB vs 18 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 7900X is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. Ryzen 9 7900X is 215.5% more expensive on MSRP at $549 MSRP versus $174 MSRP, and it gives you a 24.6% average FPS lead across 6 shared CPU game tests in our data. Core i5-12400F is also 20.1% better value on MSRP (112.3 vs 93.5 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i5-12400F can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 7900X is the more future-proof choice for 2026 and beyond. You are getting 255.6% larger total L3 cache (64 MB vs 18 MB) and more multi-core headroom with 12 cores / 24 threads instead of 6/12. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i5-12400FRyzen 9 7900X
1080p
low183 FPS292 FPS
medium168 FPS266 FPS
high139 FPS218 FPS
ultra119 FPS190 FPS
1440p
low153 FPS272 FPS
medium132 FPS223 FPS
high106 FPS171 FPS
ultra89 FPS153 FPS
4K
low87 FPS188 FPS
medium81 FPS155 FPS
high64 FPS115 FPS
ultra49 FPS103 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-12400FRyzen 9 7900X
1080p
low471 FPS865 FPS
medium397 FPS710 FPS
high341 FPS562 FPS
ultra301 FPS483 FPS
1440p
low407 FPS715 FPS
medium351 FPS609 FPS
high309 FPS494 FPS
ultra265 FPS392 FPS
4K
low282 FPS399 FPS
medium248 FPS344 FPS
high229 FPS317 FPS
ultra196 FPS272 FPS
League of Legends

League of Legends

PresetCore i5-12400FRyzen 9 7900X
1080p
low488 FPS730 FPS
medium488 FPS580 FPS
high488 FPS499 FPS
ultra488 FPS400 FPS
1440p
low488 FPS639 FPS
medium488 FPS519 FPS
high485 FPS444 FPS
ultra434 FPS364 FPS
4K
low442 FPS452 FPS
medium389 FPS386 FPS
high337 FPS344 FPS
ultra274 FPS279 FPS
Valorant

Valorant

PresetCore i5-12400FRyzen 9 7900X
1080p
low488 FPS1031 FPS
medium488 FPS900 FPS
high488 FPS783 FPS
ultra488 FPS698 FPS
1440p
low488 FPS848 FPS
medium488 FPS731 FPS
high488 FPS636 FPS
ultra473 FPS553 FPS
4K
low488 FPS625 FPS
medium450 FPS549 FPS
high391 FPS483 FPS
ultra330 FPS418 FPS

Technical Specifications

Side-by-side comparison of Core i5-12400F and Ryzen 9 7900X

Intel

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

AMD

Ryzen 9 7900X

The Ryzen 9 7900X is manufactured by AMD. It was released in 2022-09-27. It is based on the Raphael (Zen4) (2022−2023) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5-5200. Passmark benchmark score: 51,329 points. Launch price was $549.

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Ryzen 9 7900X offers 12 cores / 24 threads — the Ryzen 9 7900X has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.6 GHz on the Ryzen 9 7900X — a 24% clock advantage for the Ryzen 9 7900X (base: 2.5 GHz vs 4.7 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 7900X uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 9 7900X's 51,329 — a 89.7% lead for the Ryzen 9 7900X. Cinebench R23 multi-core: 12,380 vs 29,557 (81.9% advantage for the Ryzen 9 7900X). L3 cache: 18 MB (total) on the Core i5-12400F vs 64 MB (total) on the Ryzen 9 7900X.

FeatureCore i5-12400FRyzen 9 7900X
Cores / Threads
6 / 12
12 / 24+100%
Boost Clock
4.4 GHz
5.6 GHz+27%
Base Clock
2.5 GHz
4.7 GHz+88%
L3 Cache
18 MB (total)
64 MB (total)+256%
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
Intel 7 nm
5 nm-29%
Architecture
Alder Lake-S (2022)
Raphael (Zen4) (2022−2023)
PassMark
19,532
51,329+163%
Cinebench R23 Multi
12,380
29,557+139%
Geekbench 6 Single
1,700
Geekbench 6 Multi
657
🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 9 7900X uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400F) vs 28 (Ryzen 9 7900X) — the Ryzen 9 7900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and AM5 (Ryzen 9 7900X).

FeatureCore i5-12400FRyzen 9 7900X
Socket
LGA1700
AM5
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR5-4800, DDR4-3200
DDR5-5200
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
20
28+40%
🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V (Ryzen 9 7900X). The Ryzen 9 7900X includes integrated graphics (Radeon Graphics), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, Ryzen 9 7900X targets Gaming. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Ryzen 9 7900X rivals Core i9-13900K.

FeatureCore i5-12400FRyzen 9 7900X
Integrated GPU
No
Yes
IGPU Model
Radeon Graphics
Unlocked
Yes
AVX-512
Yes
Virtualization
VT-x, VT-d, EPT
AMD-V
Target Use
Gaming Performance/Value
Gaming
💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Ryzen 9 7900X debuted at $549. On MSRP ($174 vs $549), the Core i5-12400F is $375 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 93.5 pts/$ for the Ryzen 9 7900X — making the Core i5-12400F the 18.2% better value option.

FeatureCore i5-12400FRyzen 9 7900X
MSRP
$174-68%
$549
Performance per Dollar
112.3+20%
93.5
Release Date
2022
2022