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AMD Ryzen Threadripper 3960X vs Intel Core i9-12900K

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 - 64 %

AMD Ryzen Threadripper 3960X

Rank 1 - 100 %

Intel Core i9-12900K

Multi-core performance

Rank 1 - 100 %

AMD Ryzen Threadripper 3960X

Rank 2 - 83 %

Intel Core i9-12900K

Cinebench 2024 Single-Core
Single-core performance

24C / 48T · 4.50 GHz

81 pts

16C / 24T · 5.20 GHz

126 pts

Cinebench 2024 Multi-Core
Multi-core performance

24C / 48T · 4.50 GHz

2,011 pts

16C / 24T · 5.20 GHz

1,582 pts

Cinebench R23 Single-Core
Single-core performance

24C / 48T · 4.50 GHz

1,270 pts

16C / 24T · 5.20 GHz

1,997 pts

Cinebench R23 Multi-Core
Multi-core performance

24C / 48T · 4.00 GHz

34,255 pts

16C / 24T · 5.00 GHz

27,472 pts

Geekbench 6 Single-Core
Single-core performance

24C / 48T · 4.50 GHz

1,684

16C / 24T · 5.20 GHz

2,560

Geekbench 6 Multi-Core
Multi-core performance

24C / 48T · 4.00 GHz

13,875

16C / 24T · 5.00 GHz

16,244

Cinebench R20 Single-Core
Single-core performance

24C / 48T · 4.50 GHz

509 cb

16C / 24T · 5.20 GHz

779 cb

Geekbench 5, 64bit Single-Core
Single-core performance

24C / 48T · 4.50 GHz

1,274

16C / 24T · 5.20 GHz

1,990

Cinebench R20 Multi-Core
Multi-core performance

24C / 48T · 4.00 GHz

13,552 cb

16C / 24T · 5.00 GHz

10,511 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

24C / 48T · 4.00 GHz

21,436

16C / 24T · 5.00 GHz

17,595

Blender 3.1 Benchmark
Multi-core performance

24C / 48T · 4.00 GHz

542

16C / 24T · 5.00 GHz

364

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

24C / 48T · 3.80 GHz

16,082

16C / 24T · 3.20 GHz

11,365

Cinebench R15 (Single-Core)
Single-core performance

24C / 48T · 4.50 GHz

209 cb

16C / 24T · 5.20 GHz

294 cb

Cinebench R15 (Multi-Core)
Multi-core performance

24C / 48T · 4.00 GHz

5,933 cb

16C / 24T · 5.00 GHz

4,111 cb

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

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

Monero Hashrate
94 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

CPU performance per watt (efficiency)
140 entries

Specifications

At a glance

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
Family	AMD Ryzen Threadripper (16)	Intel Core i9 (81)
CPU group	AMD Ryzen Threadripper 3000 (3)	Intel Core i 12000 (34)
Architecture	Castle Peak (Zen 2)	Alder Lake S
Technology	7 nm	10 nm
Segment	Desktop	Desktop
Socket	TRX4 (sTRX4)	LGA 1700
Predecessor		Intel Core i9-11900K
Successor		Intel Core i9-13900K

CPU Cores and Base Frequency

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
CPU Cores / Threads	24 / 48	16 / 24
Hyperthreading / SMT	✓	✓
Core architecture	normal	hybrid (big.LITTLE)
Core Cluster 1:	24x 3.80 - 4.50 GHz	8x Golden Cove 3.20 - 5.20 GHz
Core Cluster 2:		8x Gracemont 2.40 - 3.90 GHz
L2-Cache	12.00 MB	14.00 MB
L3-Cache	128.00 MB	30.00 MB
Overclocking	✓	✓

Integrated graphics (iGPU)

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
GPU name	no iGPU	Intel UHD Graphics 770
GPU frequency		0.30 - 1.55 GHz
CUs / Shader	/	32 / 256
Raytracing	✗	✗
Max. displays		3
Max. GPU Memory		64 GB
Technology		10 nm
Release date		Q4/2021

NPU AI performance

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
Memory	DDR4-3200 (51.2 GB/s)	DDR5-4800 (76.8 GB/s) DDR4-3200 (51.2 GB/s)
Max. Memory	2048 GB	128 GB
Memory channels	4	2
ECC	Yes	Yes
PCIe	4.0 x 64	5.0 x 20
PCIe Bandwidth	126.0 GB/s	78.8 GB/s

Thermal Management

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
TDP	280 W	125 W
TDP (PL2)		241 W
TDP up
TDP down
T. junction max.	95 °C	100 °C

Technical details

Wischen	AMD Ryzen Threadripper 3960X	Intel Core i9-12900K
Chip design	Chiplet	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, 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, AVX2+
Release date	Q4/2019	Q4/2021
Release price	1435 $	589 $
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 3960X is 4.9 stars (15 ratings), while Intel Core i9-12900K has received 4.2 stars (119 ratings).

Click on the stars to rate one or both processors.

AMD Ryzen Threadripper 3960X
24C / 48T · 3.80 - 4.50 GHz

★★★★★

Intel Core i9-12900K
16C / 24T · 3.20 - 5.20 GHz

★★★★★