AMD Athlon PRO 300U vs HiSilicon Kirin 620

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CPU comparison with benchmarks


AMD Athlon PRO 300U CPU1 vs CPU2 HiSilicon Kirin 620
AMD Athlon PRO 300U HiSilicon Kirin 620

CPU comparison

AMD Athlon PRO 300U or HiSilicon Kirin 620 - 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 Athlon PRO 300U has 2 cores with 4 threads and clocks with a maximum frequency of 3.30 GHz. Up to 32 GB of memory is supported in 2 memory channels. The AMD Athlon PRO 300U was released in Q1/2019.

The HiSilicon Kirin 620 has 4 cores with 4 threads and clocks with a maximum frequency of 1.20 GHz. The CPU supports up to GB of memory in 1 memory channels. The HiSilicon Kirin 620 was released in Q1/2015.
AMD Athlon (29) Family HiSilicon Kirin (29)
AMD Athlon PRO 300 (2) CPU group HiSilicon Kirin 620 (1)
6 Generation 3
Picasso (Zen+) Architecture Cortex-A53
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon PRO 300U is a 2 core processor with a clock frequency of 2.40 GHz (3.30 GHz). The HiSilicon Kirin 620 has 4 CPU cores with a clock frequency of 1.20 GHz.

AMD Athlon PRO 300U Characteristic HiSilicon Kirin 620
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.40 GHz Frequency 1.20 GHz
3.30 GHz Turbo Frequency (1 Core) --
2.40 GHz 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.

AMD Athlon PRO 300U Characteristic HiSilicon Kirin 620
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon RX Vega 3 (Raven Ridge) GPU ARM Mali-450 MP4
1.00 GHz GPU frequency 0.53 GHz
-- GPU (Turbo) 0.53 GHz
8 GPU Generation Utgard
14 nm Technology 28nm
3 Max. displays 1
3 Compute units 4
192 Shader 64
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
12 DirectX Version 0

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.

AMD Radeon RX Vega 3 (Raven Ridge) GPU ARM Mali-450 MP4
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD Athlon PRO 300U supports a maximum of 32 GB of memory in 2 memory channels. The HiSilicon Kirin 620 can connect up to GB of memory in 1 memory channels.

AMD Athlon PRO 300U Characteristic HiSilicon Kirin 620
DDR4-2400 Memory LPDDR3
32 GB Max. Memory
2 (Dual Channel) Memory channels 1 (Single Channel)
38.4 GB/s Max. Bandwidth --
Yes ECC No
-- L2 Cache --
4.00 MB L3 Cache --
3.0 PCIe version --
12 PCIe lanes --
11.8 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon PRO 300U has a TDP of 15 W, that of the HiSilicon Kirin 620 is --.

AMD Athlon PRO 300U Characteristic HiSilicon Kirin 620
15 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
105 °C Tjunction max. --

Technical details

The AMD Athlon PRO 300U has a 4.00 MB cache, while the HiSilicon Kirin 620 cache has a total of 0.00 MB.

AMD Athlon PRO 300U Characteristic HiSilicon Kirin 620
12 nm Technology 28 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions --
FP5 Socket --
AMD-V, SVM Virtualization None
Yes AES-NI No
Operating systems Android
Q1/2019 Release date Q1/2015
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Athlon PRO 300U (100%)
HiSilicon Kirin 620 (12%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Athlon PRO 300U (100%)
HiSilicon Kirin 620 (27%)

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 Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 3.30 GHz
867 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
102 (12%)

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 Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
1878 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
505 (27%)

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 Athlon PRO 300U AMD Athlon PRO 300U
AMD Radeon RX Vega 3 (Raven Ridge) @ 1.00 GHz
384 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz
32 (8%)

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 Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 3.30 GHz
961 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

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 Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
1986 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 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.
AMD Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
4075 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

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 Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 3.30 GHz
138 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

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 Athlon PRO 300U AMD Athlon PRO 300U
2C 4T @ 2.40 GHz
344 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Devices using this processor

AMD Athlon PRO 300U HiSilicon Kirin 620
Unknown Unknown

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