Intel Core i9-11900K vs AMD Ryzen Threadripper PRO 3955WX

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-11900K or Intel Core i9-11900K – 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 i9-11900K features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i9 series.
To use the Intel Core i9-11900K, you'll need a motherboard with a LGA 1200 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.
Intel Core i 11000 Group AMD Ryzen Threadripper PRO 3000
11 Generation 3
Intel Core i9-11900K Name AMD Ryzen Threadripper PRO 3955WX
Desktop / Server Segment Desktop / Server
Intel Core i9 Family AMD Ryzen Threadripper PRO
 
 

CPU Cores and Base Frequency

The Intel Core i9-11900K has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-11900K is 3.5 GHz
and turbo frequency for one core is 5.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
4.8 GHz Turbo Frequency (all cores) None
5.3 GHz Turbo Frequency (1 core) 4.3 GHz
normal Core architecture normal
3.5 GHz Frequency 3.9 GHz
8 CPU Cores 16
Yes Overclocking Yes
Yes Hyperthreading Yes
8x Cypress Cove Cores 16x
16 Threads 32
 
 

Internal Graphics

The Intel Core i9-11900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-11900K uses the Intel UHD Graphics 750, 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.
1.3 GHz GPU (Turbo) --
14 nm Technology --
12 Direct X --
64.0 GB Max. GPU Memory 0 bytes
32 Execution units --
Q1/2021 Release date --
Intel UHD Graphics 750 GPU name
256 Shaders --
0.35 GHz GPU frequency --
12 Generation --
-- Max. displays --
 
 

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 h265 / HEVC (8 bit) --
Decode / Encode VP9 --
Decode VP8 --
Decode VC-1 --
Decode / Encode JPEG --
Decode / Encode h264 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode AVC --
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 51.2 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.
DDR4-3200 Memory type DDR4-3200
51.2 GB/s Bandwidth 204.8 GB/s
Yes AES-NI Yes
No ECC Yes
pci PCIe pci
128.0 GB Max. Memory 2.0 TB
2 Memory channels 8
 
 

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.
95 W TDP down None
125 W TDP (PL1 / PBP) 280 W
100 °C Tjunction max 95 °C
 
 

Technical details

The Intel Core i9-11900K is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 16.0 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.
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
14 nm Technology 7 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
-- Part Number --
Monolithic Chip design Chiplet
Q1/2021 Release date Q1/2021
539 $ Release price 1149 $
4.0 MB L2-Cache 8.0 MB
Technical data sheet Documents Technical data sheet
16.0 MB L3-Cache 64.0 MB
LGA 1200 Socket WRX8 (sWRX8)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Rocket Lake S Architecture Castle Peak (Zen 2)
 
 

Benchmarks

Geekbench 6 (Multi-Core)

AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 3.9 GHz
13740
13740
Intel Core i9-11900K
8C 16T @ 3.5 GHz
12679
12679