EPYC 7543P vs EPYC 7742

EPYC 7543P vs EPYC 7742 Performance Spectrum

EPYC 7543P

32 / 64

66,590

0.0%

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

EPYC 7742

64 / 128

69,448

+4.3%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper PRO 9965WX

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

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 7543P vs EPYC 7742 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 7543P vs EPYC 7742: Pros, Cons & Final Verdict

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

EPYC 7543P

2021

Why buy it

✅Costs $4,220 less on MSRP ($2,730 MSRP vs $6,950 MSRP).
✅Delivers 144.1% more PassMark for each dollar spent, at 24.4 vs 10.0 PassMark/$ ($2,730 MSRP vs $6,950 MSRP).

Trade-offs

❌Lower PassMark (66,590 vs 69,448).

EPYC 7742

2019

Why buy it

✅+4.3% higher PassMark.

Trade-offs

❌Lower PassMark per dollar, at 10.0 vs 24.4 PassMark/$ ($6,950 MSRP vs $2,730 MSRP).

Quick Answers

So, is EPYC 7543P better than EPYC 7742?

It depends on what you want from the system. For gaming, EPYC 7543P is ahead with a 1.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7742 pulls ahead with 4.3% better PassMark.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, EPYC 7742 is the stronger fit. You are getting 4.3% better PassMark, backed by 64 cores and 128 threads.

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

EPYC 7543P is the better buy right now. EPYC 7543P comes in $4,220 cheaper on MSRP at $2,730 MSRP versus $6,950 MSRP, and it still gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7742 is still stronger for heavier multi-core work with 4.3% better PassMark. It is also 144.1% better value on MSRP (24.4 vs 10.0 PassMark/$), 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 7543P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019). That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 7543P vs EPYC 7742 Technical Specifications

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

EPYC 7543P

The EPYC 7543P 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 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 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: 66,590 points. Launch price was $2,730.

EPYC 7742

The EPYC 7742 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 64 cores and 128 threads. Base frequency is 2.25 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: 69,448 points. Launch price was $6,950.

⚡

Processing Power

The EPYC 7543P packs 32 cores / 64 threads, while the EPYC 7742 offers 64 cores / 128 threads — the EPYC 7742 has 32 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543P versus 3.4 GHz on the EPYC 7742 — a 8.5% clock advantage for the EPYC 7543P (base: 2.8 GHz vs 2.25 GHz). The EPYC 7543P uses the Milan (2021−2023) architecture (7 nm+), while the EPYC 7742 uses Zen 2 (2017−2020) (7 nm, 14 nm). In PassMark, the EPYC 7543P scores 66,590 against the EPYC 7742's 69,448 — a 4.2% lead for the EPYC 7742. Both processors carry 256 MB (total) of L3 cache.

Feature	EPYC 7543P	EPYC 7742
Cores / Threads	32 / 64	64 / 128+100%
Boost Clock	3.7 GHz+9%	3.4 GHz
Base Clock	2.8 GHz+24%	2.25 GHz
L3 Cache	256 MB (total)	256 MB (total)
L2 Cache	512 kB (per core)	512K (per core)
Process	7 nm+	7 nm, 14 nm
Architecture	Milan (2021−2023)	Zen 2 (2017−2020)
PassMark	66,590	69,448+4%

🧠

Memory & Platform

The EPYC 7543P uses the SP3 socket (PCIe 4.0), while the EPYC 7742 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to 3200 memory speed. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7543P) and SP3 (EPYC 7742).

Feature	EPYC 7543P	EPYC 7742
Socket	SP3	TR4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200	3200
Max RAM Capacity	4096	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128	128

🔧

Advanced Features

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7543P rivals Xeon Platinum 8380; EPYC 7742 rivals Xeon Platinum 8280.

Feature	EPYC 7543P	EPYC 7742
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

At launch, the EPYC 7543P was priced at $2730, while the EPYC 7742 came in at $6950. On launch pricing ($2730 vs $6950), EPYC 7543P was $4220 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543P delivers 24.4 pts/$ vs 10.0 pts/$ for the EPYC 7742 — making the EPYC 7543P the 83.8% better value option.

Feature	EPYC 7543P	EPYC 7742
MSRP	$2730-61%	$6950
Performance per Dollar	24.4+144%	10.0
Release Date	2021	2019

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