Qualcomm Snapdragon 8 Gen 3 | HiSilicon Kirin 620 | |
CPU comparisonQualcomm Snapdragon 8 Gen 3 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 Qualcomm Snapdragon 8 Gen 3 has 8 cores with 8 threads and clocks with a maximum frequency of 3.40 GHz. Up to 24 GB of memory is supported in 4 memory channels. The Qualcomm Snapdragon 8 Gen 3 was released in Q4/2023. 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. |
||
Qualcomm Snapdragon (104) | Family | HiSilicon Kirin (29) |
Qualcomm Snapdragon 8 Gen 3 (2) | CPU group | HiSilicon Kirin 620 (1) |
3 | Generation | 3 |
-- | Architecture | Cortex-A53 |
Mobile | Segment | Mobile |
Qualcomm Snapdragon 8 Gen 2 | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe Qualcomm Snapdragon 8 Gen 3 is a 8 core processor with a clock frequency of 3.40 GHz. The HiSilicon Kirin 620 has 4 CPU cores with a clock frequency of 1.20 GHz. |
||
Qualcomm Snapdragon 8 Gen 3 | Characteristic | HiSilicon Kirin 620 |
8 | Cores | 4 |
8 | Threads | 4 |
hybrid (Prime / big.LITTLE) | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
3.40 GHz 1x Cortex-X4 |
A-Core | 1.20 GHz 4x Cortex-A53 |
2.96 GHz (3.15 GHz) 5x Cortex-A720 |
B-Core | -- |
2.27 GHz 2x Cortex-A520 |
C-Core | -- |
NPU AI performanceThe 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. |
||
Qualcomm Snapdragon 8 Gen 3 | Characteristic | HiSilicon Kirin 620 |
Qualcomm AI engine | AI hardware | -- |
Hexagon NPU @ 34 TOPS | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)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. |
||
Qualcomm Adreno 750 | GPU | ARM Mali-450 MP4 |
0.90 GHz | GPU frequency | 0.53 GHz |
-- | GPU (Turbo) | 0.53 GHz |
-- | GPU Generation | Utgard |
4 nm | Technology | 28nm |
2 | Max. displays | 1 |
-- | Compute units | 4 |
-- | Shader | 64 |
Yes | Hardware Raytracing | No |
No | Frame Generation | No |
6 GB | Max. GPU Memory | -- |
12.1 | 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. |
||
Qualcomm Adreno 750 | 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 |
Decode | Codec AV1 | No |
Decode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Qualcomm Snapdragon 8 Gen 3 supports a maximum of 24 GB of memory in 4 memory channels. The HiSilicon Kirin 620 can connect up to GB of memory in 1 memory channels. |
||
Qualcomm Snapdragon 8 Gen 3 | Characteristic | HiSilicon Kirin 620 |
LPDDR5X-9600 | Memory | LPDDR3 |
24 GB | Max. Memory | |
4 (Quad Channel) | Memory channels | 1 (Single Channel) |
76.6 GB/s | Max. Bandwidth | -- |
No | ECC | No |
-- | L2 Cache | -- |
12.00 MB | L3 Cache | -- |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 8 Gen 3 has a TDP of 12.5 W, that of the HiSilicon Kirin 620 is --. |
||
Qualcomm Snapdragon 8 Gen 3 | Characteristic | HiSilicon Kirin 620 |
12.5 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Qualcomm Snapdragon 8 Gen 3 has a 12.00 MB cache, while the HiSilicon Kirin 620 cache has a total of 0.00 MB. |
||
Qualcomm Snapdragon 8 Gen 3 | Characteristic | HiSilicon Kirin 620 |
4 nm | Technology | 28 nm |
Chiplet | Chip design | Chiplet |
Armv9-A (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
-- | ISA extensions | -- |
-- | Socket | -- |
None | Virtualization | None |
No | AES-NI | No |
Android, Windows 10/11 (ARM) | Operating systems | Android |
Q4/2023 | Release date | Q1/2015 |
-- | Release price | -- |
show more data | show more data | |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Qualcomm Snapdragon 8 Gen 3
Qualcomm Adreno 750 @ 0.90 GHz |
|||
HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
|||
HiSilicon Kirin 620
4C 4T @ 1.20 GHz |
Devices using this processor |
|
Qualcomm Snapdragon 8 Gen 3 | HiSilicon Kirin 620 |
Xiaomi 14 Xiaomi 14 Pro ASUS ROG Phone 8 Pro Samsung S24 Ultra |
Unknown |