AMD Ryzen Threadripper PRO 3945WX vs Intel Core i9-10900K

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CPU comparison with benchmarks


AMD Ryzen Threadripper PRO 3945WX CPU1 vs CPU2 Intel Core i9-10900K
AMD Ryzen Threadripper PRO 3945WX Intel Core i9-10900K

CPU comparison

In this CPU comparison, we compare the AMD Ryzen Threadripper PRO 3945WX and the Intel Core i9-10900K and use benchmarks to check which processor is faster.

We compare the AMD Ryzen Threadripper PRO 3945WX 12 core processor released in Q1/2021 with the Intel Core i9-10900K which has 10 CPU cores and was introduced in Q2/2020.
AMD Ryzen Threadripper PRO (15) Family Intel Core i9 (80)
AMD Ryzen Threadripper PRO 3000 (4) CPU group Intel Core i 10000 (43)
3 Generation 10
Castle Peak (Zen 2) Architecture Comet Lake S
Desktop Segment Desktop
-- Predecessor Intel Core i9-9900K
AMD Ryzen Threadripper PRO 5945WX Successor Intel Core i9-11900K

CPU Cores and Base Frequency

The AMD Ryzen Threadripper PRO 3945WX is a 12 core processor with a clock frequency of 4.00 GHz (4.30 GHz). The processor can compute 24 threads at the same time. The Intel Core i9-10900K clocks with 3.70 GHz (5.30 GHz), has 10 CPU cores and can calculate 20 threads in parallel.

AMD Ryzen Threadripper PRO 3945WX Characteristic Intel Core i9-10900K
12 Cores 10
24 Threads 20
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
4.00 GHz Frequency 3.70 GHz
4.30 GHz Turbo Frequency (1 Core) 5.30 GHz
4.20 GHz Turbo Frequency (All Cores) 4.90 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Ryzen Threadripper PRO 3945WX Characteristic Intel Core i9-10900K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU Intel UHD Graphics 630
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.20 GHz
-- GPU Generation 9.5
Technology 14 nm
Max. displays 3
-- Compute units 24
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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.

no iGPU GPU Intel UHD Graphics 630
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 2048 GB of memory in a maximum of 8 memory channels is supported by the AMD Ryzen Threadripper PRO 3945WX, while the Intel Core i9-10900K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 46.9 GB/s enabled.

AMD Ryzen Threadripper PRO 3945WX Characteristic Intel Core i9-10900K
DDR4-3200 Memory DDR4-2933
2048 GB Max. Memory 128 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 46.9 GB/s
Yes ECC No
6.00 MB L2 Cache --
64.00 MB L3 Cache 20.00 MB
4.0 PCIe version 3.0
128 PCIe lanes 16
252.0 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The AMD Ryzen Threadripper PRO 3945WX has a TDP of 280 W. The TDP of the Intel Core i9-10900K is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen Threadripper PRO 3945WX Characteristic Intel Core i9-10900K
280 W TDP (PL1 / PBP) 125 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 95 W
95 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen Threadripper PRO 3945WX has 70.00 MB cache and is manufactured in 7 nm. The cache of Intel Core i9-10900K is at 20.00 MB. The processor is manufactured in 14 nm.

AMD Ryzen Threadripper PRO 3945WX Characteristic Intel Core i9-10900K
7 nm Technology 14 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2
WRX8 (sWRX8) Socket LGA 1200
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2021 Release date Q2/2020
-- Release price 490 $
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Rate these processors

Here you can rate the AMD Ryzen Threadripper PRO 3945WX to help other visitors make their purchasing decisions. The average rating is 3.7 stars (3 ratings). Rate now:
Here you can rate the Intel Core i9-10900K to help other visitors make their purchasing decisions. The average rating is 4.5 stars (10 ratings). Rate now:

Average performance in benchmarks

Single core performance in 2 CPU benchmarks
AMD Ryzen Threadripper PRO 3945WX (94%)
Intel Core i9-10900K (100%)
Multi core performance in 3 CPU benchmarks
AMD Ryzen Threadripper PRO 3945WX (100%)
Intel Core i9-10900K (79%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
1652 (95%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
1743 (100%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
11500 (100%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
8990 (78%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
1307 (92%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
1417 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
12828 (100%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
11344 (88%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
33450 (100%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
23706 (71%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
80 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
936 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
1382 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
15945 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
645 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
6419 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
@ 0.00 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
Intel UHD Graphics 630 @ 1.20 GHz
461 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
240 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
126 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
580 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.00 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 3.70 GHz
7347 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
232 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen Threadripper PRO 3945WX AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz
0 (0%)
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
2668 (100%)

Devices using this processor

AMD Ryzen Threadripper PRO 3945WX Intel Core i9-10900K
Unknown Unknown

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