Intel Core i9-12900K vs AMD Ryzen Threadripper PRO 3955WX

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-12900K or Intel Core i9-12900K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-12900K features 16 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q4/2021 and belongs to the 12 generation of the Intel Core i9 series.
To use the Intel Core i9-12900K, you'll need a motherboard with a LGA 1700 socket.
The AMD Ryzen Threadripper PRO 3955WX features 16 processor cores and has the capability to manage 32 threads concurrently.
It was released in Q1/2021 and belongs to the 3 generation of the AMD Ryzen Threadripper PRO series.
To use the AMD Ryzen Threadripper PRO 3955WX, you'll need a motherboard with a WRX8 (sWRX8) socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-12900K Name AMD Ryzen Threadripper PRO 3955WX
Intel Core i9 Family AMD Ryzen Threadripper PRO
12 Generation 3
Intel Core i 12000 Group AMD Ryzen Threadripper PRO 3000
 
 

CPU Cores and Base Frequency

The Intel Core i9-12900K has 16 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the A-Core is 3.2 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
The AMD Ryzen Threadripper PRO 3955WX has 16 CPU cores and can calculate 32 threads in parallel.
The clock frequency of the AMD Ryzen Threadripper PRO 3955WX is 3.9 GHz
and turbo frequency for one core is 4.3 GHz.
None None 4.3 GHz
5.2 GHz A-Core Frequency Turbo None
2.4 GHz B-Core Frequency None
3.2 GHz A-Core Frequency None
8x Gracemont Cores B None
8x Golden Cove Cores A None
Yes Overclocking Yes
hybrid (big.LITTLE) Core architecture normal
None None 3.9 GHz
3.9 GHz B-Core Frequency Turbo None
24 Threads 32
Yes Hyperthreading Yes
16 CPU Cores 16
None None 16x
 
 

Internal Graphics

The Intel Core i9-12900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-12900K uses the Intel UHD Graphics 770, which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen Threadripper PRO 3955WX does not have integrated graphics.
0.3 GHz GPU frequency --
Q4/2021 Release date --
12 Direct X --
Intel UHD Graphics 770 GPU name
10 nm Technology --
-- Max. displays --
256 Shaders --
64.0 GB Max. GPU Memory 0 bytes
32 Execution units --
11 Generation --
1.55 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC --
Decode VC-1 --
Decode / Encode VP9 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
Decode AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 2.0 TB distributed across 8 memory channels. It offers a peak memory bandwidth of 204.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 8
128.0 GB Max. Memory 2.0 TB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
76.8 GB/s Bandwidth 204.8 GB/s
DDR4-3200, DDR5-4800 Memory type DDR4-3200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 280 W watts.
100 °C Tjunction max 95 °C
241 W TDP (PL2) None
125 W TDP (PL1 / PBP) 280 W
 
 

Technical details

The Intel Core i9-12900K is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 30.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen Threadripper PRO 3955WX is manufactured using a 7 nm process.
In total, this processor boasts a generous 64.0 MB cache.
Q4/2021 Release date Q1/2021
BX8071512900K Part Number --
14.0 MB L2-Cache 8.0 MB
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Monolithic Chip design Chiplet
Alder Lake S Architecture Castle Peak (Zen 2)
10 nm Technology 7 nm
LGA 1700 Socket WRX8 (sWRX8)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
589 $ Release price 1149 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
30.0 MB L3-Cache 64.0 MB
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i9-12900K
16C 24T @ 3.2 GHz
16244
16244
AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 3.9 GHz
13740
13740