AMD Ryzen Threadripper PRO 5955WX vs AMD Ryzen 5 8645HS

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CPU comparison with benchmarks


AMD Ryzen Threadripper PRO 5955WX CPU1 vs CPU2 AMD Ryzen 5 8645HS
AMD Ryzen Threadripper PRO 5955WX AMD Ryzen 5 8645HS

CPU comparison

AMD Ryzen Threadripper PRO 5955WX or AMD Ryzen 5 8645HS - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen Threadripper PRO 5955WX has 16 cores with 32 threads and clocks with a maximum frequency of 4.50 GHz. Up to 2048 GB of memory is supported in 8 memory channels. The AMD Ryzen Threadripper PRO 5955WX was released in Q1/2022.

The AMD Ryzen 5 8645HS has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 8645HS was released in Q1/2024.
AMD Ryzen Threadripper PRO (15) Family AMD Ryzen 5 (86)
AMD Ryzen Threadripper PRO 5000 (5) CPU group AMD Ryzen 8040 (20)
4 Generation 7
Chagall (Zen 3) Architecture Hawk Point (Zen 4)
Desktop / Server Segment Mobile
AMD Ryzen Threadripper PRO 3955WX Predecessor --
AMD Ryzen Threadripper PRO 7955WX Successor --

CPU Cores and Base Frequency

The AMD Ryzen Threadripper PRO 5955WX has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD Ryzen Threadripper PRO 5955WX is 4.00 GHz (4.50 GHz) while the AMD Ryzen 5 8645HS has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 8645HS is at 4.30 GHz (5.00 GHz).

AMD Ryzen Threadripper PRO 5955WX Characteristic AMD Ryzen 5 8645HS
16 Cores 6
32 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
4.00 GHz Frequency 4.30 GHz
4.50 GHz Turbo Frequency (1 Core) 5.00 GHz
4.20 GHz Turbo Frequency (All Cores) --

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 5955WX Characteristic AMD Ryzen 5 8645HS
-- AI hardware AMD Ryzen™ AI
-- AI specifications AMD Ryzen™ AI (XDNA) @ 16 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Ryzen Threadripper PRO 5955WX or AMD Ryzen 5 8645HS has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU AMD Radeon 760M
GPU frequency 0.80 GHz
-- GPU (Turbo) 2.60 GHz
-- GPU Generation 10
Technology 4 nm
Max. displays 4
-- Compute units 8
-- Shader 512
No Hardware Raytracing Yes
No Frame Generation AMD FSR
-- Max. GPU Memory 32 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 AMD Radeon 760M
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
No Codec VP8 Decode
No Codec AV1 Decode / Encode
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen Threadripper PRO 5955WX can use up to 2048 GB of memory in 8 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD Ryzen 5 8645HS supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s.

AMD Ryzen Threadripper PRO 5955WX Characteristic AMD Ryzen 5 8645HS
DDR4-3200 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
2048 GB Max. Memory 256 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 120.0 GB/s
Yes ECC Yes
8.00 MB L2 Cache 6.00 MB
64.00 MB L3 Cache 16.00 MB
4.0 PCIe version 4.0
128 PCIe lanes 20
252.0 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen Threadripper PRO 5955WX is 280 W, while the AMD Ryzen 5 8645HS has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen Threadripper PRO 5955WX Characteristic AMD Ryzen 5 8645HS
280 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up 54 W
-- TDP down 35 W
95 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen Threadripper PRO 5955WX is manufactured in 7 nm and has 72.00 MB cache. The AMD Ryzen 5 8645HS is manufactured in 4 nm and has a 22.00 MB cache.

AMD Ryzen Threadripper PRO 5955WX Characteristic AMD Ryzen 5 8645HS
7 nm Technology 4 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 SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
WRX8 (sWRX8) Socket FP8
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2022 Release date Q1/2024
-- Release price --
show more data show more data


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Here you can rate the AMD Ryzen Threadripper PRO 5955WX to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the AMD Ryzen 5 8645HS to help other visitors make their purchasing decisions. The average rating is 4.2 stars (9 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen Threadripper PRO 5955WX (86%)
AMD Ryzen 5 8645HS (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Ryzen Threadripper PRO 5955WX (100%)
AMD Ryzen 5 8645HS (51%)

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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz
1604 (89%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
1802 (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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz
19039 (100%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
7768 (41%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen Threadripper PRO 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz
2054 (83%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
2478 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen Threadripper PRO 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz
17191 (100%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
10357 (60%)

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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
99 (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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
702 (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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz
1508 (100%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
0 (0%)

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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz
585 (100%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
0 (0%)

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 5955WX AMD Ryzen Threadripper PRO 5955WX
@ 0.00 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
AMD Radeon 760M @ 2.60 GHz
2663 (100%)

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 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz
49395 (100%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
0 (0%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Ryzen Threadripper PRO 5955WX AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.00 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
16 (100%)

Devices using this processor

AMD Ryzen Threadripper PRO 5955WX AMD Ryzen 5 8645HS
Unknown Unknown

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