EPYC 7401 vs Ryzen Threadripper PRO 9945WX

AMD

EPYC 7401

24 Cores48 Thrd155 WWMax: 3 GHz2017
VS
AMD

Ryzen Threadripper PRO 9945WX

12 Cores24 Thrd350 WWMax: 5.4 GHz2025
Threadripper Pro family
···

EPYC 7401 vs Ryzen Threadripper PRO 9945WX 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 7401 vs Ryzen Threadripper PRO 9945WX 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 7401 vs Ryzen Threadripper PRO 9945WX: Pros, Cons & Final Verdict

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

EPYC 7401

2017

Why buy it

  • Draws 155W instead of 350W, a 195W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9945WX across 50 shared CPU benchmark tests.
  • Lower PassMark (55,280 vs 56,854).
  • Lower PassMark per dollar, at 36.9 vs 42.4 PassMark/$ ($1,500 MSRP vs $1,340 MSRP).
  • Older platform position on TR4 with DDR4, while Ryzen Threadripper PRO 9945WX moves to sTR5 and DDR5.

Ryzen Threadripper PRO 9945WX

2025

Why buy it

  • Better for gaming: +31.6% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $160 less on MSRP ($1,340 MSRP vs $1,500 MSRP).
  • Delivers 15.1% more PassMark for each dollar spent, at 42.4 vs 36.9 PassMark/$ ($1,340 MSRP vs $1,500 MSRP).
  • Newer platform on sTR5 with DDR5 support instead of TR4 and DDR4.

Trade-offs

  • 125.8% higher power demand at 350W vs 155W.

Quick Answers

So, is Ryzen Threadripper PRO 9945WX better than EPYC 7401?
Yes. Ryzen Threadripper PRO 9945WX is the better all-around CPU here. It gives you a 31.6% average FPS lead across 50 shared CPU game tests in our data, 2.8% 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, Ryzen Threadripper PRO 9945WX is the better pick. According to our tests, it delivers 31.6% 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, Ryzen Threadripper PRO 9945WX is the stronger fit. You are getting 2.8% better PassMark, backed by 12 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 9945WX is the better buy right now. Ryzen Threadripper PRO 9945WX comes in $160 cheaper on MSRP at $1,340 MSRP versus $1,500 MSRP, and it still gives you a 31.6% average FPS lead across 50 shared CPU game tests in our data. It is also 15.1% better value on MSRP (42.4 vs 36.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 9945WX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2017), a healthier platform with sTR5 and DDR5 instead of TR4, more multi-core headroom with 12 cores / 24 threads instead of 24/48, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7401 vs Ryzen Threadripper PRO 9945WX Technical Specifications

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

AMD

EPYC 7401

The EPYC 7401 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 24 cores and 48 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 55,280 points. Launch price was $1,850.

AMD

Ryzen Threadripper PRO 9945WX

The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 56,854 points. Launch price was $2,000.

Processing Power

The EPYC 7401 packs 24 cores / 48 threads, while the Ryzen Threadripper PRO 9945WX offers 12 cores / 24 threads — the EPYC 7401 has 12 more cores. Boost clocks reach 3 GHz on the EPYC 7401 versus 5.4 GHz on the Ryzen Threadripper PRO 9945WX — a 57.1% clock advantage for the Ryzen Threadripper PRO 9945WX (base: 2 GHz vs 4.7 GHz). The EPYC 7401 uses the Naples (2017−2018) architecture (14 nm), while the Ryzen Threadripper PRO 9945WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 7401 scores 55,280 against the Ryzen Threadripper PRO 9945WX's 56,854 — a 2.8% lead for the Ryzen Threadripper PRO 9945WX. Both processors carry 64 MB (total) of L3 cache.

FeatureEPYC 7401Ryzen Threadripper PRO 9945WX
Cores / Threads
24 / 48+100%
12 / 24
Boost Clock
3 GHz
5.4 GHz+80%
Base Clock
2 GHz
4.7 GHz+135%
L3 Cache
64 MB (total)
64 MB (total)
L2 Cache
512K (per core)+51100%
1 MB (per core)
Process
14 nm
4 nm-71%
Architecture
Naples (2017−2018)
Shimada Peak (2025)
PassMark
55,280
56,854+3%
🧠

Memory & Platform

The EPYC 7401 uses the TR4 socket (PCIe 4.0), while the Ryzen Threadripper PRO 9945WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7401 versus 6400 on the Ryzen Threadripper PRO 9945WX — the Ryzen Threadripper PRO 9945WX supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2048 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7401) and WRX90,TRX50 (Ryzen Threadripper PRO 9945WX).

FeatureEPYC 7401Ryzen Threadripper PRO 9945WX
Socket
TR4
sTR5
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
2666
6400+140%
Max RAM Capacity
2048
2048
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
128
128
🔧

Advanced Features

Only the Ryzen Threadripper PRO 9945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen Threadripper PRO 9945WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7401) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX). Direct competitor: EPYC 7401 rivals Xeon Silver 4114; Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.

FeatureEPYC 7401Ryzen Threadripper PRO 9945WX
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
Yes
AVX-512
No
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d, AMD-V
💰

Value Analysis

At launch, the EPYC 7401 was priced at $1500, while the Ryzen Threadripper PRO 9945WX came in at $1340. On launch pricing ($1500 vs $1340), Ryzen Threadripper PRO 9945WX was $160 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7401 delivers 36.9 pts/$ vs 42.4 pts/$ for the Ryzen Threadripper PRO 9945WX — making the Ryzen Threadripper PRO 9945WX the 14.1% better value option.

FeatureEPYC 7401Ryzen Threadripper PRO 9945WX
MSRP
$1500
$1340-11%
Performance per Dollar
36.9
42.4+15%
Release Date
2017
2025

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