HiSilicon Kirin 620 vs AMD Phenom II X4 920

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CPU comparison with benchmarks


HiSilicon Kirin 620 CPU1 vs CPU2 AMD Phenom II X4 920
HiSilicon Kirin 620 AMD Phenom II X4 920

CPU comparison

HiSilicon Kirin 620 or AMD Phenom II X4 920 - 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 HiSilicon Kirin 620 has 4 cores with 4 threads and clocks with a maximum frequency of 1.20 GHz. Up to GB of memory is supported in 1 memory channels. The HiSilicon Kirin 620 was released in Q1/2015.

The AMD Phenom II X4 920 has 4 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X4 920 was released in Q1/2009.
HiSilicon Kirin (29) Family AMD Phenom II (52)
HiSilicon Kirin 620 (1) CPU group AMD Phenom II - 800/900 (23)
3 Generation 4
Cortex-A53 Architecture Deneb (K10)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The HiSilicon Kirin 620 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the HiSilicon Kirin 620 is 1.20 GHz while the AMD Phenom II X4 920 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X4 920 is at 2.80 GHz.

HiSilicon Kirin 620 Characteristic AMD Phenom II X4 920
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
1.20 GHz Frequency 2.80 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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 620 Characteristic AMD Phenom II X4 920
-- AI hardware --
-- AI specifications --

Internal Graphics

The HiSilicon Kirin 620 or AMD Phenom II X4 920 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.

ARM Mali-450 MP4 GPU no iGPU
0.53 GHz GPU frequency --
0.53 GHz GPU (Turbo) --
Utgard GPU Generation --
28nm Technology
1 Max. displays
4 Compute units --
64 Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
0 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-450 MP4 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The HiSilicon Kirin 620 can use up to GB of memory in 1 memory channels. The maximum memory bandwidth is --. The AMD Phenom II X4 920 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

HiSilicon Kirin 620 Characteristic AMD Phenom II X4 920
LPDDR3 Memory DDR3-1333, DDR2-1066
Max. Memory
1 (Single Channel) Memory channels 2 (Dual Channel)
-- Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
-- L3 Cache 6.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the HiSilicon Kirin 620 is --, while the AMD Phenom II X4 920 has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

HiSilicon Kirin 620 Characteristic AMD Phenom II X4 920
-- TDP (PL1 / PBP) 125 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The HiSilicon Kirin 620 is manufactured in 28 nm and has 0.00 MB cache. The AMD Phenom II X4 920 is manufactured in 45 nm and has a 6.00 MB cache.

HiSilicon Kirin 620 Characteristic AMD Phenom II X4 920
28 nm Technology 45 nm
Chiplet Chip design Unknown
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE3, SSE4a
-- Socket AM2+
None Virtualization AMD-V
No AES-NI No
Android Operating systems Windows 10, Linux
Q1/2015 Release date Q1/2009
-- Release price --
show more data show more data


Rate these processors

Here you can rate the HiSilicon Kirin 620 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
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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 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
102 (100%)
AMD Phenom II X4 920 AMD Phenom II X4 920
4C 4T @ 2.80 GHz
0 (0%)

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 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
505 (100%)
AMD Phenom II X4 920 AMD Phenom II X4 920
4C 4T @ 2.80 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.
HiSilicon Kirin 620 HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz
32 (100%)
AMD Phenom II X4 920 AMD Phenom II X4 920
@ 0.00 GHz
0 (0%)

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 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)
AMD Phenom II X4 920 AMD Phenom II X4 920
4C 4T @ 2.80 GHz
3489 (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 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)
AMD Phenom II X4 920 AMD Phenom II X4 920
4C 4T @ 2.80 GHz
74 (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 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)
AMD Phenom II X4 920 AMD Phenom II X4 920
4C 4T @ 2.80 GHz
284 (100%)

Devices using this processor

HiSilicon Kirin 620 AMD Phenom II X4 920
Unknown Unknown

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