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EPYC 7643 vs Xeon 6737P

CPUCPUGPUGPU
AMD

EPYC 7643

48 Cores96 Thrd225 WWMax: 3.6 GHz2021
EPYC family
·······
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VS
Intel

Xeon 6737P

32 Cores64 Thrd270 WWMax: 4 GHz2025
Similar parts
··
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EPYC 7643 vs Xeon 6737P Performance Spectrum

EPYC 7643
48 / 96
76,050
0.0%
brand logoRyzen 7 8840HX
brand logoRyzen 9 7900X3D
brand logoRyzen 9 7945HX3D
brand logoRyzen Threadripper PRO 9955WX
brand logoRyzen Threadripper 9960X
brand logoRyzen Threadripper 7970X
brand logoRyzen Threadripper PRO 7985WX
brand logoRyzen Threadripper 7980X
Xeon 6737P
32 / 64
79,634
+4.7%
brand logoCore Ultra 5 236V
brand logoCore i5-13400E
brand logoXeon W-3265M
brand logoCore i7-13790F
brand logoXeon w7-2475X
brand logoCore i9-13900KS
brand logoXeon w7-3555
brand logoXeon w9-3495X

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 7643 vs Xeon 6737P 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.

Path of Exile 2

Path of Exile 2

1080P
EPYC 7643
low195 FPS
medium159 FPS
high129 FPS
ultra100 FPS
1080P
Xeon 6737P
low190 FPS
medium166 FPS
high132 FPS
ultra106 FPS
Counter-Strike 2

Counter-Strike 2

1080P
EPYC 7643
low418 FPS
medium367 FPS
high299 FPS
ultra234 FPS
1080P
Xeon 6737P
low520 FPS
medium460 FPS
high376 FPS
ultra309 FPS
League of Legends

League of Legends

1080P
EPYC 7643
low837 FPS
medium698 FPS
high650 FPS
ultra574 FPS
1080P
Xeon 6737P
low883 FPS
medium813 FPS
high768 FPS
ultra677 FPS
Valorant

Valorant

1080P
EPYC 7643
low977 FPS
medium887 FPS
high764 FPS
ultra660 FPS
1080P
Xeon 6737P
low985 FPS
medium886 FPS
high766 FPS
ultra665 FPS
Among Us

Among Us

1080P
EPYC 7643
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1080P
Xeon 6737P
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
Apex Legends

Apex Legends

1080P
EPYC 7643
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
1080P
Xeon 6737P
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
ARC Raiders

ARC Raiders

1080P
EPYC 7643
low300 FPS
medium229 FPS
high207 FPS
ultra186 FPS
1080P
Xeon 6737P
low310 FPS
medium233 FPS
high211 FPS
ultra189 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
EPYC 7643
low249 FPS
medium221 FPS
high174 FPS
ultra138 FPS
1080P
Xeon 6737P
low258 FPS
medium231 FPS
high182 FPS
ultra146 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
EPYC 7643
low308 FPS
medium278 FPS
high258 FPS
ultra212 FPS
1080P
Xeon 6737P
low324 FPS
medium296 FPS
high274 FPS
ultra233 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
EPYC 7643
low234 FPS
medium206 FPS
high173 FPS
ultra161 FPS
1080P
Xeon 6737P
low224 FPS
medium205 FPS
high177 FPS
ultra162 FPS
Check FPS with Custom Builds

EPYC 7643 vs Xeon 6737P: Pros, Cons & Final Verdict

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

EPYC 7643

2021

Why buy it

  • ✅+77.8% larger total L3 cache (256 MB vs 144 MB).
  • ✅Draws 225W instead of 270W, a 45W reduction.
  • ✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Xeon 6737P across 50 shared CPU benchmark tests.
  • ❌Lower Geekbench multi-core (15,000 vs 45,000).
  • ❌Older platform position on SP3 with DDR4, while Xeon 6737P moves to LGA4710 and DDR5.

Xeon 6737P

2025

Why buy it

  • ✅Better for gaming: +3.1% higher average FPS across 50 shared CPU benchmark tests.
  • ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
  • ✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • ❌Smaller total L3 cache (144 MB vs 256 MB).
  • ❌20% higher power demand at 270W vs 225W.

Quick Answers

So, is Xeon 6737P better than EPYC 7643?
Yes. Xeon 6737P is the better all-around CPU here. It gives you a 3.1% average FPS lead across 50 shared CPU game tests in our data, 200% better Geekbench multi-core, 4.7% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Xeon 6737P is the better pick. According to our tests, it delivers 3.1% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon 6737P is the stronger fit. You are getting 200% better Geekbench multi-core, backed by 32 cores and 64 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon 6737P is the better buy right now. Xeon 6737P comes in in basically the same MSRP band at $4,995 MSRP versus $4,995 MSRP, and it still gives you a 3.1% average FPS lead across 50 shared CPU game tests in our data. It is also 4.7% better value on MSRP (15.9 vs 15.2 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon 6737P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with LGA4710 and DDR5 instead of SP3, more multi-core headroom with 32 cores / 64 threads instead of 48/96, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7643 vs Xeon 6737P Technical Specifications

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

AMD

EPYC 7643

The EPYC 7643 is manufactured by AMD. It was released in 15 March 2021 (4 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: DDR4-3200. Passmark benchmark score: 76,050 points. Launch price was $4,995.

Intel

Xeon 6737P

The Xeon 6737P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 32 cores and 64 threads. Base frequency is 2.9 GHz, with boost up to 4 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 270 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 79,634 points. Launch price was $4,995.

⚡

Processing Power

The EPYC 7643 packs 48 cores / 96 threads, while the Xeon 6737P offers 32 cores / 64 threads — the EPYC 7643 has 16 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643 versus 4 GHz on the Xeon 6737P — a 10.5% clock advantage for the Xeon 6737P (base: 2.3 GHz vs 2.9 GHz). The EPYC 7643 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon 6737P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the EPYC 7643 scores 76,050 against the Xeon 6737P's 79,634 — a 4.6% lead for the Xeon 6737P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,671 vs 2,000, a 17.9% lead for the Xeon 6737P that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 45,000 (100% advantage for the Xeon 6737P). L3 cache: 256 MB (total) on the EPYC 7643 vs 144 MB (total) on the Xeon 6737P.

FeatureEPYC 7643Xeon 6737P
Cores / Threads
48 / 96+50%
32 / 64
Boost Clock
3.6 GHz
4 GHz+11%
Base Clock
2.3 GHz
2.9 GHz+26%
L3 Cache
256 MB (total)+78%
144 MB (total)
L2 Cache
512 kB (per core)
2 MB (per core)+300%
Process
7 nm+
Intel 3 nm-57%
Architecture
Milan (2021−2023)
Granite Rapids (2024−2025)
PassMark
76,050
79,634+5%
Geekbench 6 Single
1,671
2,000+20%
Geekbench 6 Multi
15,000
45,000+200%
🧠

Memory & Platform

The EPYC 7643 uses the SP3 socket (PCIe 4.0), while the Xeon 6737P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7643 versus DDR5-6400 on the Xeon 6737P — the Xeon 6737P supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4 TB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7643) vs 88 (Xeon 6737P) — the EPYC 7643 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7643) and C741 (Xeon 6737P).

FeatureEPYC 7643Xeon 6737P
Socket
SP3
LGA4710
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
DDR5-6400+100%
Max RAM Capacity
4 TB
4096 GB
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
128+45%
88
🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon 6737P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7643) vs VT-x, VT-d (Xeon 6737P). Primary use case: EPYC 7643 targets Server, Xeon 6737P targets High Performance Server. Direct competitor: EPYC 7643 rivals EPYC 7443P; Xeon 6737P rivals EPYC 9005.

FeatureEPYC 7643Xeon 6737P
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
No
AVX-512
No
Yes
Virtualization
AMD-V
VT-x, VT-d
Target Use
Server
High Performance Server
💰

Value Analysis

At launch, the EPYC 7643 was priced at $4995, while the Xeon 6737P came in at $4995. On launch pricing ($4995 vs $4995), Xeon 6737P was $0 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7643 delivers 15.2 pts/$ vs 15.9 pts/$ for the Xeon 6737P — making the Xeon 6737P the 4.6% better value option.

FeatureEPYC 7643Xeon 6737P
MSRP
$4995
$4995
Performance per Dollar
15.2
15.9+5%
Release Date
2021
2025
Search EPYC 7643 on AmazonSearch Xeon 6737P on Amazon

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