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AMD Ryzen Threadripper PRO 3945WX vs Intel Core Ultra 7 265KF

Last updated: 2026-07-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 52 %

AMD Ryzen Threadripper PRO 3945WX

Rank 1 - 100 %

Intel Core Ultra 7 265KF

Multi-core performance

Rank 2 - 55 %

AMD Ryzen Threadripper PRO 3945WX

Rank 1 - 100 %

Intel Core Ultra 7 265KF

Geekbench 6 Single-Core
Single-core performance

12C / 24T · 4.30 GHz

1,652

20C / 20T · 5.50 GHz

3,210

Geekbench 6 Multi-Core
Multi-core performance

12C / 24T · 4.20 GHz

11,500

20C / 20T · 5.20 GHz

21,640

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

CPU performance per watt (efficiency)
140 entries

AI performance (NPU)
218 entries

Specifications

At a glance

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
Family	AMD Ryzen Threadripper PRO (20)	Intel Core Ultra 7 (31)
CPU group	AMD Ryzen Threadripper PRO 3000 (4)	Intel Core Ultra 200 AL-S (20)
Architecture	Castle Peak (Zen 2)	Arrow Lake
Technology	7 nm	3 nm
Segment	Desktop	Desktop
Socket	WRX8 (sWRX8)	LGA 1851
Predecessor
Successor	AMD Ryzen Threadripper PRO 5945WX

CPU Cores and Base Frequency

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
CPU Cores / Threads	12 / 24	20 / 20
Hyperthreading / SMT	✓	✗
Core architecture	normal	hybrid (big.LITTLE)
Core Cluster 1:	12x 4.00 - 4.30 GHz	8x Lion Cove 3.90 - 5.50 GHz
Core Cluster 2:		12x Skymont 3.30 - 4.60 GHz
L2-Cache	6.00 MB	36.00 MB
L3-Cache	64.00 MB	30.00 MB
Overclocking	✓	✓

Integrated graphics (iGPU)

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
GPU name	no iGPU	no iGPU
GPU frequency
CUs / Shader	/	/
Raytracing	✗	✗
Max. displays
Max. GPU Memory
Technology
Release date

NPU AI performance

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
AI hardware		Intel® AI Boost
AI specifications		Intel AI Boost NPU 4 @ 13 TOPS
NPU + CPU + iGPU

Memory & PCIe

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
Memory	DDR4-3200 (51.2 GB/s)	DDR5-6400 (102.4 GB/s)
Max. Memory	2048 GB	256 GB
Memory channels	8	2
ECC	Yes	Yes
PCIe	4.0 x 128	5.0 x 20
PCIe Bandwidth	252.0 GB/s	78.8 GB/s

Thermal Management

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
TDP	280 W	125 W
TDP (PL2)		177 W
TDP up		250 W
TDP down
T. junction max.	95 °C	105 °C

Technical details

Wischen	AMD Ryzen Threadripper PRO 3945WX	Intel Core Ultra 7 265KF
Chip design	Chiplet	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3	SSE4.1, SSE4.2, AVX2
Release date	Q1/2021	Q4/2024
Release price		379 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of AMD Ryzen Threadripper PRO 3945WX is 3.7 stars (6 ratings), while Intel Core Ultra 7 265KF has received 4.3 stars (68 ratings).

Click on the stars to rate one or both processors.

AMD Ryzen Threadripper PRO 3945WX
12C / 24T · 4.00 - 4.30 GHz

★★★★★

Intel Core Ultra 7 265KF
20C / 20T · 3.90 - 5.50 GHz

★★★★★