Core i5-12400F vs EPYC 9655

Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

VS
AMD

EPYC 9655

96 Cores192 Thrd400 WWMax: 4.5 GHz2024

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 $11,678 less on MSRP ($174 MSRP vs $11,852 MSRP).
  • Delivers 752.2% more PassMark for each dollar spent, at 112.3 vs 13.2 PassMark/$ ($174 MSRP vs $11,852 MSRP).
  • Draws 65W instead of 400W, a 335W reduction.
  • Includes a boxed cooler (Yes), unlike EPYC 9655.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 9655 across 4 shared CPU benchmark tests.
  • Lower Geekbench multi-core (657 vs 29,329).
  • Less compelling for workstation-style loads than EPYC 9655, which brings 96 cores / 192 threads and 128 PCIe lanes.

EPYC 9655

2024

Why buy it

  • Better for gaming: +27.0% higher average FPS across 4 shared CPU benchmark tests.
  • Better for workstations and heavier parallel workloads: 96 cores / 192 threads, plus 128 PCIe lanes vs 20.
  • 540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 13.2 vs 112.3 PassMark/$ ($11,852 MSRP vs $174 MSRP).
  • 515.4% higher power demand at 400W vs 65W.
  • No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is EPYC 9655 better than Core i5-12400F?
Not in a simple one-size-fits-all way. EPYC 9655 makes more sense for workstation-style multi-core throughput, while Core i5-12400F is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for gaming?
If gaming is the priority, EPYC 9655 is the better pick here. According to our tests, it delivers 27.0% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 384 MB vs 18 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 9655 is the better fit. You are getting 4364.1% better Geekbench multi-core, backed by 96 cores and 192 threads. It also carries the larger cache pool with 2033.3% larger total L3 cache (384 MB vs 18 MB).
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 9655 is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. EPYC 9655 is 6711.5% more expensive on MSRP at $11,852 MSRP versus $174 MSRP, and it gives you a 27.0% average FPS lead across 4 shared CPU game tests in our data. Core i5-12400F is also 752.2% better value on MSRP (112.3 vs 13.2 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
EPYC 9655 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022), 3D V-Cache and a much larger 384 MB L3 cache instead of 18 MB, more multi-core headroom with 96 cores / 192 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. 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 i5-12400FEPYC 9655
1080p
low183 FPS170 FPS
medium168 FPS143 FPS
high139 FPS122 FPS
ultra119 FPS99 FPS
1440p
low153 FPS149 FPS
medium132 FPS121 FPS
high106 FPS99 FPS
ultra89 FPS83 FPS
4K
low87 FPS83 FPS
medium81 FPS73 FPS
high64 FPS57 FPS
ultra49 FPS47 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-12400FEPYC 9655
1080p
low471 FPS696 FPS
medium397 FPS602 FPS
high341 FPS475 FPS
ultra301 FPS411 FPS
1440p
low407 FPS566 FPS
medium351 FPS501 FPS
high309 FPS414 FPS
ultra265 FPS336 FPS
4K
low282 FPS331 FPS
medium248 FPS295 FPS
high229 FPS267 FPS
ultra196 FPS235 FPS
League of Legends

League of Legends

PresetCore i5-12400FEPYC 9655
1080p
low488 FPS746 FPS
medium488 FPS633 FPS
high488 FPS589 FPS
ultra488 FPS519 FPS
1440p
low488 FPS561 FPS
medium488 FPS474 FPS
high485 FPS434 FPS
ultra434 FPS376 FPS
4K
low442 FPS411 FPS
medium389 FPS331 FPS
high337 FPS299 FPS
ultra274 FPS238 FPS
Valorant

Valorant

PresetCore i5-12400FEPYC 9655
1080p
low488 FPS1047 FPS
medium488 FPS939 FPS
high488 FPS821 FPS
ultra488 FPS744 FPS
1440p
low488 FPS839 FPS
medium488 FPS733 FPS
high488 FPS641 FPS
ultra473 FPS562 FPS
4K
low488 FPS605 FPS
medium450 FPS539 FPS
high391 FPS477 FPS
ultra330 FPS416 FPS

Technical Specifications

Side-by-side comparison of Core i5-12400F and EPYC 9655

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

EPYC 9655

The EPYC 9655 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 96 cores and 192 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 156,110 points. Launch price was $11,852.

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the EPYC 9655 offers 96 cores / 192 threads — the EPYC 9655 has 90 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.5 GHz on the EPYC 9655 — a 2.2% clock advantage for the EPYC 9655 (base: 2.5 GHz vs 2.6 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the EPYC 9655 uses Turin (2024) (4 nm). In PassMark, the Core i5-12400F scores 19,532 against the EPYC 9655's 156,110 — a 155.5% lead for the EPYC 9655. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 2,830, a 49.9% lead for the EPYC 9655 that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 29,329 (191.2% advantage for the EPYC 9655). L3 cache: 18 MB (total) on the Core i5-12400F vs 384 MB (total) on the EPYC 9655.

FeatureCore i5-12400FEPYC 9655
Cores / Threads
6 / 12
96 / 192+1500%
Boost Clock
4.4 GHz
4.5 GHz+2%
Base Clock
2.5 GHz
2.6 GHz+4%
L3 Cache
18 MB (total)
384 MB (total)+2033%
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
Intel 7 nm
4 nm-43%
Architecture
Alder Lake-S (2022)
Turin (2024)
PassMark
19,532
156,110+699%
Cinebench R23 Multi
12,380
Geekbench 6 Single
1,700
2,830+66%
Geekbench 6 Multi
657
29,329+4364%
🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the EPYC 9655 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. The Core i5-12400F supports up to 128 GB of RAM compared to 9 TB 173.7% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 12 (EPYC 9655). PCIe lanes: 20 (Core i5-12400F) vs 128 (EPYC 9655) — the EPYC 9655 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and SP5 (EPYC 9655).

FeatureCore i5-12400FEPYC 9655
Socket
LGA1700
SP5
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR5-4800, DDR4-3200
DDR5-6000
Max RAM Capacity
128 GB
9 TB+7100%
RAM Channels
2
12+500%
ECC Support
No
Yes
PCIe Lanes
20
128+540%
🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V, SEV-SNP (EPYC 9655). Primary use case: Core i5-12400F targets Gaming Performance/Value, EPYC 9655 targets Data Center. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; EPYC 9655 rivals Xeon 6979P.

FeatureCore i5-12400FEPYC 9655
Integrated GPU
No
No
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d, EPT
AMD-V, SEV-SNP
Target Use
Gaming Performance/Value
Data Center
💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the EPYC 9655 debuted at $11852. On MSRP ($174 vs $11852), the Core i5-12400F is $11678 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 13.2 pts/$ for the EPYC 9655 — making the Core i5-12400F the 158% better value option.

FeatureCore i5-12400FEPYC 9655
MSRP
$174-99%
$11852
Performance per Dollar
112.3+751%
13.2
Release Date
2022
2024