Core i5-10400F vs EPYC 9455P

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020

Popular choices:

VS
AMD

EPYC 9455P

48 Cores96 Thrd300 WWMax: 4.4 GHz2024

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 i5-10400F

2020

Why buy it

  • +204.7% higher Geekbench multi-core.
  • Costs $4,659 less on MSRP ($160 MSRP vs $4,819 MSRP).
  • Delivers 235.6% more PassMark for each dollar spent, at 81.4 vs 24.3 PassMark/$ ($160 MSRP vs $4,819 MSRP).
  • Draws 65W instead of 300W, a 235W reduction.
  • Includes a boxed cooler (Yes), unlike EPYC 9455P.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 9455P across 3 shared CPU benchmark tests.
  • Less compelling for workstation-style loads than EPYC 9455P, which brings 48 cores / 96 threads and 128 PCIe lanes.
  • Older platform position on LGA1200 with DDR4, while EPYC 9455P moves to SP5 and DDR5.

EPYC 9455P

2024

Why buy it

  • Better for gaming: +77.7% higher average FPS across 3 shared CPU benchmark tests.
  • Better for workstations and heavier parallel workloads: 48 cores / 96 threads, plus 128 PCIe lanes vs 16.
  • Newer platform on SP5 with DDR5 support instead of LGA1200 and DDR4.
  • 700% more PCIe lanes (128 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Lower Geekbench multi-core (1,898 vs 5,783).
  • Lower PassMark per dollar, at 24.3 vs 81.4 PassMark/$ ($4,819 MSRP vs $160 MSRP).
  • 361.5% higher power demand at 300W vs 65W.
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is EPYC 9455P better than Core i5-10400F?
Not in a simple one-size-fits-all way. EPYC 9455P makes more sense for workstation-style multi-core throughput, while Core i5-10400F is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-10400F is the better fit. You are getting 204.7% better Geekbench multi-core, backed by 6 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 9455P is the better pure gaming CPU, but Core i5-10400F is probably the smarter buy for most balanced builds. EPYC 9455P is 2911.9% more expensive on MSRP at $4,819 MSRP versus $160 MSRP, and it gives you a 77.7% average FPS lead across 3 shared CPU game tests in our data. In practice, most of the premium is paying for the extra gaming cache advantage, while Core i5-10400F keeps the platform cost lower and stays stronger for more general mixed workloads.
Which one is more future-proof for 2026 and beyond?
EPYC 9455P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with SP5 and DDR5 instead of LGA1200, and 3D V-Cache and a much larger 256 MB L3 cache instead of 12 MB. 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 i5-10400FEPYC 9455P
1080p
low192 FPS171 FPS
medium152 FPS142 FPS
high123 FPS122 FPS
ultra100 FPS99 FPS
1440p
low153 FPS150 FPS
medium119 FPS121 FPS
high97 FPS99 FPS
ultra79 FPS83 FPS
4K
low82 FPS84 FPS
medium70 FPS73 FPS
high55 FPS57 FPS
ultra43 FPS47 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-10400FEPYC 9455P
1080p
low326 FPS655 FPS
medium318 FPS566 FPS
high290 FPS459 FPS
ultra253 FPS397 FPS
1440p
low326 FPS546 FPS
medium292 FPS483 FPS
high267 FPS404 FPS
ultra234 FPS328 FPS
4K
low309 FPS331 FPS
medium258 FPS295 FPS
high235 FPS268 FPS
ultra199 FPS236 FPS
League of Legends

League of Legends

PresetCore i5-10400FEPYC 9455P
1080p
low326 FPS747 FPS
medium326 FPS634 FPS
high326 FPS590 FPS
ultra326 FPS519 FPS
1440p
low326 FPS561 FPS
medium326 FPS474 FPS
high326 FPS434 FPS
ultra326 FPS376 FPS
4K
low326 FPS405 FPS
medium326 FPS326 FPS
high289 FPS288 FPS
ultra229 FPS229 FPS
Valorant

Valorant

PresetCore i5-10400FEPYC 9455P
1080p
low326 FPS993 FPS
medium326 FPS892 FPS
high326 FPS767 FPS
ultra326 FPS692 FPS
1440p
low326 FPS799 FPS
medium326 FPS696 FPS
high326 FPS594 FPS
ultra326 FPS525 FPS
4K
low326 FPS567 FPS
medium326 FPS503 FPS
high326 FPS441 FPS
ultra326 FPS387 FPS

Technical Specifications

Side-by-side comparison of Core i5-10400F and EPYC 9455P

Intel

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

AMD

EPYC 9455P

The EPYC 9455P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 48 cores and 96 threads. Base frequency is 3.15 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 300 Watt. Memory support: DDR5. Passmark benchmark score: 116,926 points. Launch price was $4,819.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the EPYC 9455P offers 48 cores / 96 threads — the EPYC 9455P has 42 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.4 GHz on the EPYC 9455P — a 2.3% clock advantage for the EPYC 9455P (base: 2.9 GHz vs 3.15 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the EPYC 9455P uses Turin (2024) (4 nm). In PassMark, the Core i5-10400F scores 13,029 against the EPYC 9455P's 116,926 — a 159.9% lead for the EPYC 9455P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 1,962, a 29.7% lead for the EPYC 9455P that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 1,898 (101.2% advantage for the Core i5-10400F). L3 cache: 12 MB (total) on the Core i5-10400F vs 256 MB (total) on the EPYC 9455P.

FeatureCore i5-10400FEPYC 9455P
Cores / Threads
6 / 12
48 / 96+700%
Boost Clock
4.3 GHz
4.4 GHz+2%
Base Clock
2.9 GHz
3.15 GHz+9%
L3 Cache
12 MB (total)
256 MB (total)+2033%
L2 Cache
256K (per core)
1 MB (per core)+300%
Process
14 nm
4 nm-71%
Architecture
Comet Lake (2020−2025)
Turin (2024)
PassMark
13,029
116,926+797%
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,454
1,962+35%
Geekbench 6 Multi
5,783+205%
1,898
🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the EPYC 9455P uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-6000 on the EPYC 9455P — the EPYC 9455P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F supports up to 128 GB of RAM compared to 9 TB 173.7% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 12 (EPYC 9455P). PCIe lanes: 16 (Core i5-10400F) vs 128 (EPYC 9455P) — the EPYC 9455P offers 112 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and SP5 (EPYC 9455P).

FeatureCore i5-10400FEPYC 9455P
Socket
LGA1200
SP5
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666
DDR5-6000+25%
Max RAM Capacity
128 GB
9 TB+7100%
RAM Channels
2
12+500%
ECC Support
No
Yes
PCIe Lanes
16
128+700%
🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i5-10400F) vs AMD-V, SEV-SNP (EPYC 9455P). Primary use case: Core i5-10400F targets Gaming, EPYC 9455P targets Data Center / Single Socket. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; EPYC 9455P rivals Xeon 6766E.

FeatureCore i5-10400FEPYC 9455P
Integrated GPU
No
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
AMD-V, SEV-SNP
Target Use
Gaming
Data Center / Single Socket
💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the EPYC 9455P debuted at $4819. On MSRP ($160 vs $4819), the Core i5-10400F is $4659 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 24.3 pts/$ for the EPYC 9455P — making the Core i5-10400F the 108.2% better value option.

FeatureCore i5-10400FEPYC 9455P
MSRP
$160-97%
$4819
Performance per Dollar
81.4+235%
24.3
Release Date
2020
2024