Core i5-10400F vs EPYC 8434P

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020

Popular choices:

VS
AMD

EPYC 8434P

48 Cores96 Thrd200 WWMax: 3.1 GHz2023

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

  • Costs $1,357 less on MSRP ($160 MSRP vs $1,517 MSRP).
  • Delivers 85.8% more PassMark for each dollar spent, at 81.4 vs 43.8 PassMark/$ ($160 MSRP vs $1,517 MSRP).
  • Draws 65W instead of 200W, a 135W reduction.
  • Includes a boxed cooler (Yes), unlike EPYC 8434P.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 8434P across 31 shared CPU benchmark tests.
  • Lower PassMark (13,029 vs 66,490).
  • Less compelling for workstation-style loads than EPYC 8434P, which brings 48 cores / 96 threads and 96 PCIe lanes.
  • Older platform position on LGA1200 with DDR4, while EPYC 8434P moves to SP6 and DDR5.

EPYC 8434P

2023

Why buy it

  • Better for gaming: +32.1% higher average FPS across 31 shared CPU benchmark tests.
  • Better for workstations and heavier parallel workloads: 48 cores / 96 threads, plus 96 PCIe lanes vs 16.
  • Newer platform on SP6 with DDR5 support instead of LGA1200 and DDR4.
  • 500% more PCIe lanes (96 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 43.8 vs 81.4 PassMark/$ ($1,517 MSRP vs $160 MSRP).
  • 207.7% higher power demand at 200W vs 65W.
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is EPYC 8434P better than Core i5-10400F?
Not in a simple one-size-fits-all way. EPYC 8434P 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 gaming?
If gaming is the priority, EPYC 8434P is the better pick here. According to our tests, it delivers 32.1% more average FPS across 31 shared CPU game tests. It also has a big cache advantage at 128 MB vs 12 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 8434P is the better fit. You are getting 410.3% better PassMark, backed by 48 cores and 96 threads. It also carries the larger cache pool with 966.7% larger total L3 cache (128 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 8434P is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. EPYC 8434P is 848.1% more expensive on MSRP at $1,517 MSRP versus $160 MSRP, and it gives you a 32.1% average FPS lead across 31 shared CPU game tests in our data. Core i5-10400F is also 85.8% better value on MSRP (81.4 vs 43.8 PassMark/$), 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 8434P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with SP6 and DDR5 instead of LGA1200, 3D V-Cache and a much larger 128 MB L3 cache instead of 12 MB, more multi-core headroom with 48 cores / 96 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 i5-10400FEPYC 8434P
1080p
low192 FPS159 FPS
medium152 FPS131 FPS
high123 FPS110 FPS
ultra100 FPS87 FPS
1440p
low153 FPS142 FPS
medium119 FPS114 FPS
high97 FPS90 FPS
ultra79 FPS72 FPS
4K
low82 FPS68 FPS
medium70 FPS58 FPS
high55 FPS45 FPS
ultra43 FPS37 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-10400FEPYC 8434P
1080p
low326 FPS419 FPS
medium318 FPS369 FPS
high290 FPS300 FPS
ultra253 FPS236 FPS
1440p
low326 FPS344 FPS
medium292 FPS311 FPS
high267 FPS260 FPS
ultra234 FPS199 FPS
4K
low309 FPS212 FPS
medium258 FPS195 FPS
high235 FPS163 FPS
ultra199 FPS132 FPS
League of Legends

League of Legends

PresetCore i5-10400FEPYC 8434P
1080p
low326 FPS860 FPS
medium326 FPS786 FPS
high326 FPS760 FPS
ultra326 FPS682 FPS
1440p
low326 FPS663 FPS
medium326 FPS587 FPS
high326 FPS558 FPS
ultra326 FPS498 FPS
4K
low326 FPS435 FPS
medium326 FPS344 FPS
high289 FPS307 FPS
ultra229 FPS250 FPS
Valorant

Valorant

PresetCore i5-10400FEPYC 8434P
1080p
low326 FPS1023 FPS
medium326 FPS913 FPS
high326 FPS772 FPS
ultra326 FPS651 FPS
1440p
low326 FPS833 FPS
medium326 FPS712 FPS
high326 FPS598 FPS
ultra326 FPS492 FPS
4K
low326 FPS600 FPS
medium326 FPS524 FPS
high326 FPS451 FPS
ultra326 FPS376 FPS

Technical Specifications

Side-by-side comparison of Core i5-10400F and EPYC 8434P

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 8434P

The EPYC 8434P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 48 cores and 96 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 66,490 points. Launch price was $2,700.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the EPYC 8434P offers 48 cores / 96 threads — the EPYC 8434P has 42 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 3.1 GHz on the EPYC 8434P — a 32.4% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2.5 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the EPYC 8434P uses Siena (2023−2024) (5 nm). In PassMark, the Core i5-10400F scores 13,029 against the EPYC 8434P's 66,490 — a 134.5% lead for the EPYC 8434P. L3 cache: 12 MB (total) on the Core i5-10400F vs 128 MB (total) on the EPYC 8434P.

FeatureCore i5-10400FEPYC 8434P
Cores / Threads
6 / 12
48 / 96+700%
Boost Clock
4.3 GHz+39%
3.1 GHz
Base Clock
2.9 GHz+16%
2.5 GHz
L3 Cache
12 MB (total)
128 MB (total)+967%
L2 Cache
256K (per core)
1 MB (per core)+300%
Process
14 nm
5 nm-64%
Architecture
Comet Lake (2020−2025)
Siena (2023−2024)
PassMark
13,029
66,490+410%
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,454
Geekbench 6 Multi
5,783
🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the EPYC 8434P uses SP6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus 4800 on the EPYC 8434P — the EPYC 8434P supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8434P supports up to 1152 of RAM compared to 128 GB 160% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 6 (EPYC 8434P). PCIe lanes: 16 (Core i5-10400F) vs 96 (EPYC 8434P) — the EPYC 8434P offers 80 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and SP6 (EPYC 8434P).

FeatureCore i5-10400FEPYC 8434P
Socket
LGA1200
SP6
PCIe Generation
PCIe 3.0
PCIe 4.0+33%
Max RAM Speed
DDR4-2666
4800+119900%
Max RAM Capacity
128 GB+11650744%
1152
RAM Channels
2
6+200%
ECC Support
No
Yes
PCIe Lanes
16
96+500%
🔧

Advanced Features

Neither processor supports overclocking. Only the EPYC 8434P supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; EPYC 8434P rivals Xeon Platinum 8452Y.

FeatureCore i5-10400FEPYC 8434P
Integrated GPU
No
No
IGPU Model
None
Unlocked
No
No
AVX-512
No
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the EPYC 8434P debuted at $1517. On MSRP ($160 vs $1517), the Core i5-10400F is $1357 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 43.8 pts/$ for the EPYC 8434P — making the Core i5-10400F the 60% better value option.

FeatureCore i5-10400FEPYC 8434P
MSRP
$160-89%
$1517
Performance per Dollar
81.4+86%
43.8
Release Date
2020
2023