EPYC 7643P vs EPYC 9274F

AMD

EPYC 7643P

48 Cores96 Thrd225 WWMax: 3.6 GHz2023
EPYC family
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VS
AMD

EPYC 9274F

24 Cores48 Thrd320 WWMax: 4.3 GHz2022
EPYC family
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EPYC 7643P vs EPYC 9274F Performance Spectrum

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.

EPYC 7643P vs EPYC 9274F FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

EPYC 7643P vs EPYC 9274F: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

EPYC 7643P

2023

Why buy it

  • +4.5% higher PassMark.
  • Costs $338 less on MSRP ($2,722 MSRP vs $3,060 MSRP).
  • Delivers 17.5% more PassMark for each dollar spent, at 28.4 vs 24.2 PassMark/$ ($2,722 MSRP vs $3,060 MSRP).
  • Draws 225W instead of 320W, a 95W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 9274F across 50 shared CPU benchmark tests.
  • Older platform position on SP3 with DDR4, while EPYC 9274F moves to SP5 and DDR5.
  • No AVX-512 support for niche heavy compute workloads where it can matter.

EPYC 9274F

2022

Why buy it

  • Better for gaming: +36.1% higher average FPS across 50 shared CPU benchmark tests.
  • Newer platform on SP5 with DDR5 support instead of SP3 and DDR4.
  • AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • Lower PassMark (73,982 vs 77,307).
  • Lower PassMark per dollar, at 24.2 vs 28.4 PassMark/$ ($3,060 MSRP vs $2,722 MSRP).
  • 42.2% higher power demand at 320W vs 225W.

Quick Answers

So, is EPYC 7643P better than EPYC 9274F?
It depends on what you want from the system. For gaming, EPYC 9274F is ahead with a 36.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7643P pulls ahead with 4.5% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 7643P is the stronger fit. You are getting 4.5% better PassMark, backed by 48 cores and 96 threads.
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 7643P is the better buy right now. EPYC 7643P comes in $338 cheaper on MSRP at $2,722 MSRP versus $3,060 MSRP, and it still gives you 4.5% better PassMark. The compromise is that EPYC 9274F is still the better pure gaming CPU with a 36.1% average FPS lead across 50 shared CPU game tests in our data. It is also 17.5% better value on MSRP (28.4 vs 24.2 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
EPYC 9274F makes more sense long term for 2026 and beyond. You are getting a healthier platform with SP5 and DDR5 instead of SP3 and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7643P vs EPYC 9274F Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

EPYC 7643P

The EPYC 7643P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4. Passmark benchmark score: 77,307 points. Launch price was $2,722.

AMD

EPYC 9274F

The EPYC 9274F is manufactured by AMD. It was released in 10 November 2022 (3 years ago). It is based on the Genoa (2022−2023) architecture. It features 24 cores and 48 threads. Base frequency is 4.05 GHz, with boost up to 4.3 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 320 Watt. Memory support: DDR5-4800. Passmark benchmark score: 73,982 points. Launch price was $3,060.

Processing Power

The EPYC 7643P packs 48 cores / 96 threads, while the EPYC 9274F offers 24 cores / 48 threads — the EPYC 7643P has 24 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643P versus 4.3 GHz on the EPYC 9274F — a 17.7% clock advantage for the EPYC 9274F (base: 2.3 GHz vs 4.05 GHz). The EPYC 7643P uses the Milan (2021−2023) architecture (7 nm), while the EPYC 9274F uses Genoa (2022−2023) (5 nm, 6 nm). In PassMark, the EPYC 7643P scores 77,307 against the EPYC 9274F's 73,982 — a 4.4% lead for the EPYC 7643P. Both processors carry 256 MB (total) of L3 cache.

FeatureEPYC 7643PEPYC 9274F
Cores / Threads
48 / 96+100%
24 / 48
Boost Clock
3.6 GHz
4.3 GHz+19%
Base Clock
2.3 GHz
4.05 GHz+76%
L3 Cache
256 MB (total)
256 MB (total)
L2 Cache
512 kB (per core)
1 MB (per core)+100%
Process
7 nm
5 nm, 6 nm-29%
Architecture
Milan (2021−2023)
Genoa (2022−2023)
PassMark
77,307+4%
73,982
🧠

Memory & Platform

The EPYC 7643P uses the SP3 socket (PCIe 4.0), while the EPYC 9274F uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7643P versus 4800 on the EPYC 9274F — the EPYC 9274F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9274F supports up to 6144 of RAM compared to 4096 50% more capacity for professional workloads. Memory channels: 8 (EPYC 7643P) vs 12 (EPYC 9274F). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7643P) and SP5 (EPYC 9274F).

FeatureEPYC 7643PEPYC 9274F
Socket
SP3
SP5
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
3200
4800+50%
Max RAM Capacity
4096
6144+50%
RAM Channels
8
12+50%
ECC Support
Yes
Yes
PCIe Lanes
128
128
🔧

Advanced Features

Neither processor supports overclocking. Only the EPYC 9274F supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, SEV (EPYC 7643P) vs VT-x, VT-d, SEV-SNP (EPYC 9274F). Direct competitor: EPYC 7643P rivals Xeon Platinum 8380; EPYC 9274F rivals Xeon Platinum 8468.

FeatureEPYC 7643PEPYC 9274F
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
No
AVX-512
No
Yes
Virtualization
VT-x, VT-d, SEV
VT-x, VT-d, SEV-SNP
💰

Value Analysis

At launch, the EPYC 7643P was priced at $2722, while the EPYC 9274F came in at $3060. On launch pricing ($2722 vs $3060), EPYC 7643P was $338 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7643P delivers 28.4 pts/$ vs 24.2 pts/$ for the EPYC 9274F — making the EPYC 7643P the 16.1% better value option.

FeatureEPYC 7643PEPYC 9274F
MSRP
$2722-11%
$3060
Performance per Dollar
28.4+17%
24.2
Release Date
2023
2022

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