EPYC 7643P vs Xeon 6737P

CPU

GPU

EPYC 7643P

48 Cores96 Thrd225 WWMax: 3.6 GHz2023

Popular choices:

•••••••••

Xeon 6737P

32 Cores64 Thrd270 WWMax: 4 GHz2025

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 7643P

48 / 96

77,307

0.0%

Ryzen AI Max PRO 390

Ryzen 9 9850HX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Xeon 6737P

32 / 64

79,634

+3.0%

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.

EPYC 7643P

2023

Why buy it

✅+77.8% larger total L3 cache (256 MB vs 144 MB).
✅Costs $2,273 less on MSRP ($2,722 MSRP vs $4,995 MSRP).
✅Delivers 78.1% more PassMark for each dollar spent, at 28.4 vs 15.9 PassMark/$ ($2,722 MSRP vs $4,995 MSRP).
✅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 PassMark (77,307 vs 79,634).
❌Older platform position on SP3 with DDR4, while Xeon 6737P moves to LGA4710 and DDR5.

Xeon 6737P

2025

Why buy it

✅Better for gaming: +3.0% 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).
❌Lower PassMark per dollar, at 15.9 vs 28.4 PassMark/$ ($4,995 MSRP vs $2,722 MSRP).
❌20% higher power demand at 270W vs 225W.

EPYC 7643P

2023

Xeon 6737P

2025

Why buy it

✅+77.8% larger total L3 cache (256 MB vs 144 MB).
✅Costs $2,273 less on MSRP ($2,722 MSRP vs $4,995 MSRP).
✅Delivers 78.1% more PassMark for each dollar spent, at 28.4 vs 15.9 PassMark/$ ($2,722 MSRP vs $4,995 MSRP).
✅Draws 225W instead of 270W, a 45W reduction.
✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +3.0% 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

❌Worse for gaming: lower average FPS than Xeon 6737P across 50 shared CPU benchmark tests.
❌Lower PassMark (77,307 vs 79,634).
❌Older platform position on SP3 with DDR4, while Xeon 6737P moves to LGA4710 and DDR5.

Trade-offs

❌Smaller total L3 cache (144 MB vs 256 MB).
❌Lower PassMark per dollar, at 15.9 vs 28.4 PassMark/$ ($4,995 MSRP vs $2,722 MSRP).
❌20% higher power demand at 270W vs 225W.

Quick Answers

So, is Xeon 6737P better than EPYC 7643P?

Yes. Xeon 6737P is the better overall CPU here. You are getting a 3.0% average FPS lead across 50 shared CPU game tests in our data, 3% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon 6737P is the better pick here. According to our tests, it delivers 3.0% 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 better fit. You are getting 3% better PassMark, backed by 32 cores and 64 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Xeon 6737P is still the faster CPU overall, but EPYC 7643P makes more sense if price matters more than absolute performance. Xeon 6737P is 83.5% more expensive on MSRP at $4,995 MSRP versus $2,722 MSRP, and it gives you a 3.0% average FPS lead across 50 shared CPU game tests in our data. EPYC 7643P is also 78.1% better value on MSRP (28.4 vs 15.9 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

Which one is more future-proof for 2026 and beyond?

Xeon 6737P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023), 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 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.

EPYC 7643P Benchmark Check

Xeon 6737P Benchmark Check

Path of Exile 2

Preset	EPYC 7643P	Xeon 6737P
1080p
low	195 FPS	190 FPS
medium	159 FPS	166 FPS
high	129 FPS	132 FPS
ultra	100 FPS	106 FPS
1440p
low	160 FPS	156 FPS
medium	125 FPS	132 FPS
high	97 FPS	101 FPS
ultra	77 FPS	83 FPS
4K
low	72 FPS	71 FPS
medium	60 FPS	63 FPS
high	47 FPS	49 FPS
ultra	39 FPS	40 FPS

Open EPYC 7643P Open Xeon 6737P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7643P	Xeon 6737P
1080p
low	418 FPS	520 FPS
medium	367 FPS	460 FPS
high	299 FPS	376 FPS
ultra	234 FPS	309 FPS
1440p
low	344 FPS	425 FPS
medium	310 FPS	383 FPS
high	259 FPS	321 FPS
ultra	197 FPS	256 FPS
4K
low	211 FPS	262 FPS
medium	194 FPS	239 FPS
high	163 FPS	212 FPS
ultra	131 FPS	176 FPS

Open EPYC 7643P Open Xeon 6737P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7643P	Xeon 6737P
1080p
low	837 FPS	883 FPS
medium	698 FPS	813 FPS
high	650 FPS	768 FPS
ultra	574 FPS	677 FPS
1440p
low	602 FPS	756 FPS
medium	500 FPS	692 FPS
high	458 FPS	650 FPS
ultra	401 FPS	581 FPS
4K
low	430 FPS	510 FPS
medium	336 FPS	429 FPS
high	300 FPS	383 FPS
ultra	243 FPS	318 FPS

Open EPYC 7643P Open Xeon 6737P

League of Legends

League of Legends

Valorant

Preset	EPYC 7643P	Xeon 6737P
1080p
low	979 FPS	985 FPS
medium	888 FPS	886 FPS
high	765 FPS	766 FPS
ultra	661 FPS	665 FPS
1440p
low	753 FPS	806 FPS
medium	657 FPS	701 FPS
high	562 FPS	604 FPS
ultra	482 FPS	519 FPS
4K
low	541 FPS	582 FPS
medium	481 FPS	521 FPS
high	423 FPS	462 FPS
ultra	365 FPS	397 FPS

Open EPYC 7643P Open Xeon 6737P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7643P and Xeon 6737P

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.

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 7643P packs 48 cores / 96 threads, while the Xeon 6737P offers 32 cores / 64 threads — the EPYC 7643P has 16 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643P 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 7643P uses the Milan (2021−2023) architecture (7 nm), while the Xeon 6737P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the EPYC 7643P scores 77,307 against the Xeon 6737P's 79,634 — a 3% lead for the Xeon 6737P. L3 cache: 256 MB (total) on the EPYC 7643P vs 144 MB (total) on the Xeon 6737P.

Feature	EPYC 7643P	Xeon 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	77,307	79,634+3%
Geekbench 6 Single	—	2,000
Geekbench 6 Multi	—	45,000

🧠

Memory & Platform

The EPYC 7643P 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 3200 on the EPYC 7643P versus DDR5-6400 on the Xeon 6737P — the EPYC 7643P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7643P) vs 88 (Xeon 6737P) — the EPYC 7643P offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7643P) and C741 (Xeon 6737P).

Feature	EPYC 7643P	Xeon 6737P
Socket	SP3	LGA4710
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200+63900%	DDR5-6400
Max RAM Capacity	4096	4096 GB+104857500%
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: VT-x, VT-d, SEV (EPYC 7643P) vs VT-x, VT-d (Xeon 6737P). Primary use case: Xeon 6737P targets High Performance Server. Direct competitor: EPYC 7643P rivals Xeon Platinum 8380; Xeon 6737P rivals EPYC 9005.

Feature	EPYC 7643P	Xeon 6737P
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
Target Use	—	High Performance Server

💰

Value Analysis

The EPYC 7643P launched at $2722 MSRP, while the Xeon 6737P debuted at $4995. On MSRP ($2722 vs $4995), the EPYC 7643P is $2273 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7643P delivers 28.4 pts/$ vs 15.9 pts/$ for the Xeon 6737P — making the EPYC 7643P the 56.2% better value option.