EPYC 7642 vs Xeon Gold 6448Y

CPU

GPU

EPYC 7642

48 Cores96 Thrd225 WWMax: 3.4 GHz2019

EPYC family

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Xeon Gold 6448Y

32 Cores64 Thrd225 WWMax: 4.1 GHz2023

Similar parts

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EPYC 7642 vs Xeon Gold 6448Y Performance Spectrum

EPYC 7642

48 / 96

59,333

0.0%

Ryzen AI 9 HX PRO 370

Ryzen 9 5900X

Ryzen 9 5950X

Ryzen 9 9850HX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Xeon Gold 6448Y

32 / 64

60,449

+1.9%

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 7642 vs Xeon Gold 6448Y 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 7642 vs Xeon Gold 6448Y: Pros, Cons & Final Verdict

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

EPYC 7642

2019

Why buy it

✅+326.7% larger total L3 cache (256 MB vs 60 MB).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 6448Y across 50 shared CPU benchmark tests.
❌Lower PassMark (59,333 vs 60,449).
❌Lower PassMark per dollar, at 12.4 vs 16.9 PassMark/$ ($4,775 MSRP vs $3,583 MSRP).
❌Older platform position on TR4 with DDR4, while Xeon Gold 6448Y moves to LGA4677 and DDR5.

Xeon Gold 6448Y

2023

Why buy it

✅Better for gaming: +10.9% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,192 less on MSRP ($3,583 MSRP vs $4,775 MSRP).
✅Delivers 35.8% more PassMark for each dollar spent, at 16.9 vs 12.4 PassMark/$ ($3,583 MSRP vs $4,775 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Smaller total L3 cache (60 MB vs 256 MB).

Quick Answers

So, is Xeon Gold 6448Y better than EPYC 7642?

Yes. Xeon Gold 6448Y is the better all-around CPU here. It gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data, 1.9% better 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 Gold 6448Y is the better pick. According to our tests, it delivers 10.9% 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 Gold 6448Y is the stronger fit. You are getting 1.9% better PassMark, backed by 32 cores and 64 threads.

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

Xeon Gold 6448Y is the better buy right now. Xeon Gold 6448Y comes in $1,192 cheaper on MSRP at $3,583 MSRP versus $4,775 MSRP, and it still gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data. It is also 35.8% better value on MSRP (16.9 vs 12.4 PassMark/$), 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 Gold 6448Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with LGA4677 and DDR5 instead of TR4, 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 7642 vs Xeon Gold 6448Y Technical Specifications

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

EPYC 7642

The EPYC 7642 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 48 cores and 96 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 256 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 225 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 59,333 points. Launch price was $4,775.

Xeon Gold 6448Y

The Xeon Gold 6448Y is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 225 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 60,449 points. Launch price was $3,583.

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Processing Power

The EPYC 7642 packs 48 cores / 96 threads, while the Xeon Gold 6448Y offers 32 cores / 64 threads — the EPYC 7642 has 16 more cores. Boost clocks reach 3.4 GHz on the EPYC 7642 versus 4.1 GHz on the Xeon Gold 6448Y — a 18.7% clock advantage for the Xeon Gold 6448Y (base: 2.4 GHz vs 2.1 GHz). The EPYC 7642 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the Xeon Gold 6448Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7642 scores 59,333 against the Xeon Gold 6448Y's 60,449 — a 1.9% lead for the Xeon Gold 6448Y. L3 cache: 256 MB (total) on the EPYC 7642 vs 60 MB on the Xeon Gold 6448Y.

Feature	EPYC 7642	Xeon Gold 6448Y
Cores / Threads	48 / 96+50%	32 / 64
Boost Clock	3.4 GHz	4.1 GHz+21%
Base Clock	2.4 GHz+14%	2.1 GHz
L3 Cache	256 MB (total)+327%	60 MB
L2 Cache	512K (per core)+25500%	2 MB (per core)
Process	7 nm, 14 nm	Intel 7 nm
Architecture	Zen 2 (2017−2020)	Sapphire Rapids (2023−2024)
PassMark	59,333	60,449+2%

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Memory & Platform

The EPYC 7642 uses the TR4 socket (PCIe 4.0), while the Xeon Gold 6448Y uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7642 versus 4800 on the Xeon Gold 6448Y — the Xeon Gold 6448Y supports 50% 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 7642) vs 80 (Xeon Gold 6448Y) — the EPYC 7642 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7642) and C741 (Xeon Gold 6448Y).

Feature	EPYC 7642	Xeon Gold 6448Y
Socket	TR4	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	4800+50%
Max RAM Capacity	4096	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+60%	80

🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon Gold 6448Y supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7642 rivals Xeon Platinum 8380; Xeon Gold 6448Y rivals EPYC 9354.

Feature	EPYC 7642	Xeon Gold 6448Y
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

At launch, the EPYC 7642 was priced at $4775, while the Xeon Gold 6448Y came in at $3583. On launch pricing ($4775 vs $3583), Xeon Gold 6448Y was $1192 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7642 delivers 12.4 pts/$ vs 16.9 pts/$ for the Xeon Gold 6448Y — making the Xeon Gold 6448Y the 30.3% better value option.

Feature	EPYC 7642	Xeon Gold 6448Y
MSRP	$4775	$3583-25%
Performance per Dollar	12.4	16.9+36%
Release Date	2019	2023

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