EPYC 7473X vs EPYC 7642

AMD

EPYC 7473X

24 Cores48 Thrd240 WWMax: 3.7 GHz2022
EPYC family
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VS
AMD

EPYC 7642

48 Cores96 Thrd225 WWMax: 3.4 GHz2019
EPYC family
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EPYC 7473X vs EPYC 7642 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 7473X vs EPYC 7642 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 7473X vs EPYC 7642: Pros, Cons & Final Verdict

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

EPYC 7473X

2022

Why buy it

  • Better for gaming: +8.7% higher average FPS across 50 shared CPU benchmark tests.
  • +200% larger total L3 cache (768 MB vs 256 MB).
  • Costs $875 less on MSRP ($3,900 MSRP vs $4,775 MSRP).
  • Delivers 22.3% more PassMark for each dollar spent, at 15.2 vs 12.4 PassMark/$ ($3,900 MSRP vs $4,775 MSRP).

Trade-offs

  • Lower PassMark (59,280 vs 59,333).

EPYC 7642

2019

Why buy it

  • +0.1% higher PassMark.
  • Draws 225W instead of 240W, a 15W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 7473X across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (256 MB vs 768 MB).
  • Lower PassMark per dollar, at 12.4 vs 15.2 PassMark/$ ($4,775 MSRP vs $3,900 MSRP).

Quick Answers

So, is EPYC 7473X better than EPYC 7642?
It depends on what you want from the system. For gaming, EPYC 7473X is ahead with a 8.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7642 pulls ahead with 0.1% better PassMark. EPYC 7473X also has the bigger cache pool with 200% larger total L3 cache (768 MB vs 256 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 7642 is the stronger fit. You are getting 0.1% better PassMark, backed by 48 cores and 96 threads.
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 7473X is the better buy right now. EPYC 7473X comes in $875 cheaper on MSRP at $3,900 MSRP versus $4,775 MSRP, and it still gives you a 8.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7642 is still stronger for heavier multi-core work with 0.1% better PassMark. It is also 22.3% better value on MSRP (15.2 vs 12.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
EPYC 7473X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019) and 200% larger total L3 cache (768 MB vs 256 MB). That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 7473X vs EPYC 7642 Technical Specifications

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

AMD

EPYC 7473X

The EPYC 7473X is manufactured by AMD. It was released in 2022-03-01. It is based on the Milan-X (2022) architecture. It features 24 cores and 48 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 59,280 points. Launch price was $3,900.

AMD

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.

Processing Power

The EPYC 7473X packs 24 cores / 48 threads, while the EPYC 7642 offers 48 cores / 96 threads — the EPYC 7642 has 24 more cores. Boost clocks reach 3.7 GHz on the EPYC 7473X versus 3.4 GHz on the EPYC 7642 — a 8.5% clock advantage for the EPYC 7473X (base: 2.8 GHz vs 2.4 GHz). The EPYC 7473X uses the Milan-X (2022) architecture (7 nm), while the EPYC 7642 uses Zen 2 (2017−2020) (7 nm, 14 nm). In PassMark, the EPYC 7473X scores 59,280 against the EPYC 7642's 59,333 — a 0.1% lead for the EPYC 7642. L3 cache: 768 MB (total) on the EPYC 7473X vs 256 MB (total) on the EPYC 7642.

FeatureEPYC 7473XEPYC 7642
Cores / Threads
24 / 48
48 / 96+100%
Boost Clock
3.7 GHz+9%
3.4 GHz
Base Clock
2.8 GHz+17%
2.4 GHz
L3 Cache
768 MB (total)+200%
256 MB (total)
L2 Cache
512K (per core)
512K (per core)
Process
7 nm
7 nm, 14 nm
Architecture
Milan-X (2022)
Zen 2 (2017−2020)
PassMark
59,280
59,333
🧠

Memory & Platform

The EPYC 7473X uses the SP3 socket (PCIe 4.0), while the EPYC 7642 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 7473X) and SP3 (EPYC 7642).

FeatureEPYC 7473XEPYC 7642
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 7473X rivals Xeon Platinum 8380; EPYC 7642 rivals Xeon Platinum 8380.

FeatureEPYC 7473XEPYC 7642
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 7473X was priced at $3900, while the EPYC 7642 came in at $4775. On launch pricing ($3900 vs $4775), EPYC 7473X was $875 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7473X delivers 15.2 pts/$ vs 12.4 pts/$ for the EPYC 7642 — making the EPYC 7473X the 20.1% better value option.

FeatureEPYC 7473XEPYC 7642
MSRP
$3900-18%
$4775
Performance per Dollar
15.2+23%
12.4
Release Date
2022
2019

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