Core i5-12400 vs Ryzen 5 3600XT

Intel

Core i5-12400

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

VS
AMD

Ryzen 5 3600XT

6 Cores12 Thrd95 WWMax: 4.5 GHz2020

Popular choices:

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 i5-12400

2022

Why buy it

  • Better for gaming: +6.8% higher average FPS across 4 shared CPU benchmark tests.
  • Costs $40 less on MSRP ($209 MSRP vs $249 MSRP).
  • Delivers 20.7% more PassMark for each dollar spent, at 89.9 vs 74.5 PassMark/$ ($209 MSRP vs $249 MSRP).
  • Draws 65W instead of 95W, a 30W reduction.
  • Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.

Trade-offs

  • Smaller total L3 cache (18 MB vs 32 MB).

Ryzen 5 3600XT

2020

Why buy it

  • +77.8% larger total L3 cache (32 MB vs 18 MB).
  • 20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-12400 across 4 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (9,945 vs 12,400).
  • Lower PassMark per dollar, at 74.5 vs 89.9 PassMark/$ ($249 MSRP vs $209 MSRP).
  • 46.2% higher power demand at 95W vs 65W.
  • Older platform position on AM4 with DDR4, while Core i5-12400 moves to LGA1700 and DDR5.

Quick Answers

So, is Core i5-12400 better than Ryzen 5 3600XT?
Yes. Core i5-12400 is the better overall CPU here. You are getting a 6.8% average FPS lead across 4 shared CPU game tests in our data, 24.7% better Cinebench R23 multi-core, 1.3% 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, Core i5-12400 is the better pick here. According to our tests, it delivers 6.8% more average FPS across 4 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-12400 is the better fit. You are getting 24.7% better Cinebench R23 multi-core, backed by 6 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-12400 is the smarter buy today. Core i5-12400 is $40 cheaper on MSRP at $209 MSRP versus $249 MSRP, and it gives you a 6.8% average FPS lead across 4 shared CPU game tests in our data. It is also 20.7% better value on MSRP (89.9 vs 74.5 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 5 3600XT can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.
Which one is more future-proof for 2026 and beyond?
Core i5-12400 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), a healthier platform with LGA1700 and DDR5 instead of AM4, and more multi-core headroom with 6 cores / 12 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 i5-12400Ryzen 5 3600XT
1080p
low183 FPS171 FPS
medium168 FPS142 FPS
high139 FPS124 FPS
ultra119 FPS103 FPS
1440p
low153 FPS146 FPS
medium132 FPS118 FPS
high106 FPS99 FPS
ultra89 FPS81 FPS
4K
low87 FPS82 FPS
medium81 FPS71 FPS
high64 FPS57 FPS
ultra49 FPS45 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-12400Ryzen 5 3600XT
1080p
low470 FPS464 FPS
medium397 FPS419 FPS
high341 FPS329 FPS
ultra301 FPS283 FPS
1440p
low407 FPS436 FPS
medium351 FPS370 FPS
high309 FPS301 FPS
ultra265 FPS252 FPS
4K
low282 FPS292 FPS
medium248 FPS250 FPS
high229 FPS217 FPS
ultra196 FPS182 FPS
League of Legends

League of Legends

PresetCore i5-12400Ryzen 5 3600XT
1080p
low470 FPS464 FPS
medium470 FPS464 FPS
high470 FPS464 FPS
ultra470 FPS424 FPS
1440p
low470 FPS464 FPS
medium470 FPS463 FPS
high470 FPS415 FPS
ultra434 FPS357 FPS
4K
low442 FPS405 FPS
medium389 FPS328 FPS
high337 FPS283 FPS
ultra274 FPS219 FPS
Valorant

Valorant

PresetCore i5-12400Ryzen 5 3600XT
1080p
low470 FPS464 FPS
medium470 FPS464 FPS
high470 FPS464 FPS
ultra470 FPS464 FPS
1440p
low470 FPS464 FPS
medium470 FPS464 FPS
high470 FPS464 FPS
ultra470 FPS464 FPS
4K
low470 FPS464 FPS
medium450 FPS464 FPS
high391 FPS421 FPS
ultra330 FPS366 FPS

Technical Specifications

Side-by-side comparison of Core i5-12400 and Ryzen 5 3600XT

Intel

Core i5-12400

The Core i5-12400 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: 18,794 points. Launch price was $299.

AMD

Ryzen 5 3600XT

The Ryzen 5 3600XT is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 6 cores and 12 threads. Base frequency is 3.8 GHz, with boost up to 4.5 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 95 Watt. Memory support: DDR4-3200. Passmark benchmark score: 18,552 points. Launch price was $249.

Processing Power

Both the Core i5-12400 and Ryzen 5 3600XT share an identical 6-core/12-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-12400 versus 4.5 GHz on the Ryzen 5 3600XT — a 2.2% clock advantage for the Ryzen 5 3600XT (base: 2.5 GHz vs 3.8 GHz). The Core i5-12400 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 5 3600XT uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Core i5-12400 scores 18,794 against the Ryzen 5 3600XT's 18,552 — a 1.3% lead for the Core i5-12400. Cinebench R23 multi-core: 12,400 vs 9,945 (22% advantage for the Core i5-12400). Geekbench 6 single-core — the metric most relevant to gaming — records 2,381 vs 1,759, a 30% lead for the Core i5-12400 that directly translates to higher frame rates. Multi-core Geekbench: 10,632 vs 7,245 (37.9% advantage for the Core i5-12400). L3 cache: 18 MB (total) on the Core i5-12400 vs 32 MB (total) on the Ryzen 5 3600XT.

FeatureCore i5-12400Ryzen 5 3600XT
Cores / Threads
6 / 12
6 / 12
Boost Clock
4.4 GHz
4.5 GHz+2%
Base Clock
2.5 GHz
3.8 GHz+52%
L3 Cache
18 MB (total)
32 MB (total)+78%
L2 Cache
1.25 MB (per core)+150%
512K (per core)
Process
Intel 7 nm
7 nm, 12 nm
Architecture
Alder Lake-S (2022)
Matisse (2019−2020)
PassMark
18,794+1%
18,552
Cinebench R23 Multi
12,400+25%
9,945
Geekbench 6 Single
2,381+35%
1,759
Geekbench 6 Multi
10,632+47%
7,245
🧠

Memory & Platform

The Core i5-12400 uses the LGA1700 socket (PCIe 5.0), while the Ryzen 5 3600XT uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400 versus DDR4-3200 on the Ryzen 5 3600XT — the Core i5-12400 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400) vs 24 (Ryzen 5 3600XT) — the Ryzen 5 3600XT offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400) and A320,B350,X370,B450,X470,A520,B550,X570 (Ryzen 5 3600XT).

FeatureCore i5-12400Ryzen 5 3600XT
Socket
LGA1700
AM4
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
DDR5-4800, DDR4-3200+25%
DDR4-3200
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
20
24+20%
🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400) vs AMD-V (Ryzen 5 3600XT). The Core i5-12400 includes integrated graphics (UHD Graphics 730), while the Ryzen 5 3600XT requires a dedicated GPU. Primary use case: Core i5-12400 targets Gaming Performance/Value, Ryzen 5 3600XT targets Gaming. Direct competitor: Core i5-12400 rivals Ryzen 5 5600; Ryzen 5 3600XT rivals Core i5-10600K.

FeatureCore i5-12400Ryzen 5 3600XT
Integrated GPU
Yes
No
IGPU Model
UHD Graphics 730
Unlocked
Yes
Virtualization
VT-x, VT-d, EPT
AMD-V
Target Use
Gaming Performance/Value
Gaming
💰

Value Analysis

The Core i5-12400 launched at $209 MSRP, while the Ryzen 5 3600XT debuted at $249. On MSRP ($209 vs $249), the Core i5-12400 is $40 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400 delivers 89.9 pts/$ vs 74.5 pts/$ for the Ryzen 5 3600XT — making the Core i5-12400 the 18.8% better value option.

FeatureCore i5-12400Ryzen 5 3600XT
MSRP
$209-16%
$249
Performance per Dollar
89.9+21%
74.5
Release Date
2022
2020