AMD Ryzen 7 4700U | HiSilicon Kirin 620 | |
CPU comparisonAMD Ryzen 7 4700U 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 Ryzen 7 4700U has 8 cores with 8 threads and clocks with a maximum frequency of 4.10 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 4700U was released in Q1/2020. 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. |
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AMD Ryzen 7 (67) | Family | HiSilicon Kirin (29) |
AMD Ryzen 4000U (11) | CPU group | HiSilicon Kirin 620 (1) |
3 | Generation | 3 |
Renoir (Zen 2) | Architecture | Cortex-A53 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 4700U has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the AMD Ryzen 7 4700U is 2.00 GHz (4.10 GHz) while the HiSilicon Kirin 620 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the HiSilicon Kirin 620 is at 1.20 GHz. |
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AMD Ryzen 7 4700U | Characteristic | HiSilicon Kirin 620 |
8 | Cores | 4 |
8 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
2.00 GHz | Frequency | 1.20 GHz |
4.10 GHz | Turbo Frequency (1 Core) | -- |
3.40 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe AMD Ryzen 7 4700U or HiSilicon Kirin 620 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. |
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AMD Radeon RX Vega 7 (Renoir) | GPU | ARM Mali-450 MP4 |
0.40 GHz | GPU frequency | 0.53 GHz |
1.60 GHz | GPU (Turbo) | 0.53 GHz |
9 | GPU Generation | Utgard |
7 nm | Technology | 28nm |
3 | Max. displays | 1 |
7 | Compute units | 4 |
448 | Shader | 64 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | -- |
12 | DirectX Version | 0 |
Hardware codec supportA 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. |
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AMD Radeon RX Vega 7 (Renoir) | 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 & PCIeThe AMD Ryzen 7 4700U can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The HiSilicon Kirin 620 supports up to GB of memory in 1 memory channels and achieves a memory bandwidth of up to --. |
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AMD Ryzen 7 4700U | Characteristic | HiSilicon Kirin 620 |
LPDDR4-4266, DDR4-3200 | Memory | LPDDR3 |
64 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 1 (Single Channel) |
51.2 GB/s | Max. Bandwidth | -- |
Yes | ECC | No |
-- | L2 Cache | -- |
8.00 MB | L3 Cache | -- |
3.0 | PCIe version | -- |
12 | PCIe lanes | -- |
11.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 7 4700U is 15 W, while the HiSilicon Kirin 620 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 7 4700U | Characteristic | HiSilicon Kirin 620 |
15 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
35 W | TDP up | -- |
10 W | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 4700U is manufactured in 7 nm and has 8.00 MB cache. The HiSilicon Kirin 620 is manufactured in 28 nm and has a 0.00 MB cache. |
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AMD Ryzen 7 4700U | Characteristic | HiSilicon Kirin 620 |
7 nm | Technology | 28 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
FP6 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Android |
Q1/2020 | Release date | Q1/2015 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 3.40 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
AMD Radeon RX Vega 7 (Renoir) @ 1.60 GHz |
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HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 3.40 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 3.40 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 3.40 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 3.40 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 3.40 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 2.00 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
AMD Ryzen 7 4700U
8C 8T @ 4.10 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Devices using this processor |
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AMD Ryzen 7 4700U | HiSilicon Kirin 620 |
ASUS ZenBook 14 Acer Swift 3 |
Unknown |