HiSilicon Kirin 655 vs AMD Ryzen Threadripper 3990X

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CPU comparison with benchmarks


HiSilicon Kirin 655 CPU1 vs CPU2 AMD Ryzen Threadripper 3990X
HiSilicon Kirin 655 AMD Ryzen Threadripper 3990X

CPU comparison

In this CPU comparison, we compare the HiSilicon Kirin 655 and the AMD Ryzen Threadripper 3990X and use benchmarks to check which processor is faster.

We compare the HiSilicon Kirin 655 8 core processor released in Q2/2016 with the AMD Ryzen Threadripper 3990X which has 64 CPU cores and was introduced in Q1/2020.
HiSilicon Kirin (29) Family AMD Ryzen Threadripper (13)
HiSilicon Kirin 650 (4) CPU group AMD Ryzen Threadripper 3000 (3)
4 Generation 3
Cortex-A53 / Cortex-A53 Architecture Castle Peak (Zen 2)
Mobile Segment Desktop / Server
-- Predecessor AMD Ryzen Threadripper 2990WX
-- Successor --

CPU Cores and Base Frequency

The HiSilicon Kirin 655 is a 8 core processor with a clock frequency of 2.12 GHz. The processor can compute 8 threads at the same time. The AMD Ryzen Threadripper 3990X clocks with 2.90 GHz (4.30 GHz), has 64 CPU cores and can calculate 128 threads in parallel.

HiSilicon Kirin 655 Characteristic AMD Ryzen Threadripper 3990X
8 Cores 64
8 Threads 128
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
2.12 GHz
4x Cortex-A53
A-Core 2.90 GHz (4.30 GHz)
1.70 GHz
4x Cortex-A53
B-Core --

Artificial Intelligence and Machine Learning

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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

HiSilicon Kirin 655 Characteristic AMD Ryzen Threadripper 3990X
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

ARM Mali-T830 MP2 GPU no iGPU
0.90 GHz GPU frequency --
-- GPU (Turbo) --
Midgard 4 GPU Generation --
28nm Technology
2 Max. displays
2 Compute units --
32 Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
11 DirectX Version --

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.

ARM Mali-T830 MP2 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the HiSilicon Kirin 655, while the AMD Ryzen Threadripper 3990X supports a maximum of 2048 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

HiSilicon Kirin 655 Characteristic AMD Ryzen Threadripper 3990X
LPDDR3-933 Memory DDR4-3200
Max. Memory 2048 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
-- Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache 32.00 MB
-- L3 Cache 256.00 MB
-- PCIe version 4.0
-- PCIe lanes 64
-- PCIe Bandwidth 126.0 GB/s

Thermal Management

The HiSilicon Kirin 655 has a TDP of --. The TDP of the AMD Ryzen Threadripper 3990X is 280 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

HiSilicon Kirin 655 Characteristic AMD Ryzen Threadripper 3990X
-- TDP (PL1 / PBP) 280 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 95 °C

Technical details

The HiSilicon Kirin 655 has 0.00 MB cache and is manufactured in 16 nm. The cache of AMD Ryzen Threadripper 3990X is at 288.00 MB. The processor is manufactured in 7 nm.

HiSilicon Kirin 655 Characteristic AMD Ryzen Threadripper 3990X
16 nm Technology 7 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
-- Socket TRX4 (sTRX4)
None Virtualization AMD-V, SVM
No AES-NI Yes
Android Operating systems Windows 10, Windows 11, Linux
Q2/2016 Release date Q1/2020
-- Release price 3990 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
HiSilicon Kirin 655 (14%)
AMD Ryzen Threadripper 3990X (100%)
⌀ Multi core performance in 1 CPU benchmarks
HiSilicon Kirin 655 (2%)
AMD Ryzen Threadripper 3990X (100%)

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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
168 (14%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
1219 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
794 (2%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
34670 (100%)

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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
74 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
3302 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
1284 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
64355 (100%)

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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
1639 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
15832 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
495 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
24763 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
ARM Mali-T830 MP2 @ 0.90 GHz
61 (100%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
@ 0.00 GHz
0 (0%)

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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
1087 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
81100 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
28.9 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 2.90 GHz
26731 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz
200 (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.
HiSilicon Kirin 655 HiSilicon Kirin 655
8C 8T @ 2.12 GHz
0 (0%)
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz
10542 (100%)

Devices using this processor

HiSilicon Kirin 655 AMD Ryzen Threadripper 3990X
Unknown Unknown

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