HiSilicon Kirin 925 | Raspberry Pi 4 B (Broadcom BCM2711) | |
CPU comparisonHiSilicon Kirin 925 or Raspberry Pi 4 B (Broadcom BCM2711) - 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 925 has 8 cores with 8 threads and clocks with a maximum frequency of 1.80 GHz. Up to GB of memory is supported in 2 memory channels. The HiSilicon Kirin 925 was released in Q3/2014. The Raspberry Pi 4 B (Broadcom BCM2711) has 4 cores with 4 threads and clocks with a maximum frequency of 1.50 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The Raspberry Pi 4 B (Broadcom BCM2711) was released in 06/2019. |
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HiSilicon Kirin (29) | Family | Broadcom BCM (3) |
HiSilicon Kirin 920 (3) | CPU group | Broadcom BCM2711 (1) |
2 | Generation | 4 |
Cortex-A15 / Cortex-A7 | Architecture | Cortex-A72 |
Mobile | Segment | Desktop / Server |
-- | Predecessor | Raspberry Pi 3 B+ (Broadcom BCM2837B0) |
-- | Successor | Raspberry Pi 5 B (Broadcom BCM2712) |
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CPU Cores and Base FrequencyThe HiSilicon Kirin 925 is a 8 core processor with a clock frequency of 1.80 GHz. The Raspberry Pi 4 B (Broadcom BCM2711) has 4 CPU cores with a clock frequency of 1.50 GHz. |
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HiSilicon Kirin 925 | Characteristic | Raspberry Pi 4 B (Broadcom BCM2711) |
8 | Cores | 4 |
8 | Threads | 4 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | Yes |
1.80 GHz 4x Cortex-A15 |
A-Core | 1.50 GHz 4x Cortex-A72 |
1.30 GHz 4x Cortex-A7 |
B-Core | -- |
Internal GraphicsThe 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. |
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ARM Mali-T628 MP4 | GPU | Broadcom VideoCore VI |
0.60 GHz | GPU frequency | 0.50 GHz |
0.60 GHz | GPU (Turbo) | -- |
Midgard 2 | GPU Generation | 6 |
32nm | Technology | 28 nm |
1 | Max. displays | 2 |
4 | Compute units | 4 |
64 | Shader | 64 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
11 | DirectX Version | -- |
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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ARM Mali-T628 MP4 | GPU | Broadcom VideoCore VI |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
Decode / Encode | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe HiSilicon Kirin 925 supports a maximum of GB of memory in 2 memory channels. The Raspberry Pi 4 B (Broadcom BCM2711) can connect up to 8 GB of memory in 1 memory channels. |
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HiSilicon Kirin 925 | Characteristic | Raspberry Pi 4 B (Broadcom BCM2711) |
LPDDR3-1600 | Memory | LPDDR4-3200 |
Max. Memory | 8 GB | |
2 (Dual Channel) | Memory channels | 1 (Single Channel) |
-- | Max. Bandwidth | 12.8 GB/s |
No | ECC | No |
-- | L2 Cache | 1.00 MB |
-- | L3 Cache | -- |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The HiSilicon Kirin 925 has a TDP of --, that of the Raspberry Pi 4 B (Broadcom BCM2711) is 7.5 W. |
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HiSilicon Kirin 925 | Characteristic | Raspberry Pi 4 B (Broadcom BCM2711) |
-- | TDP (PL1 / PBP) | 7.5 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 3 W |
-- | Tjunction max. | -- |
Technical detailsThe HiSilicon Kirin 925 has a 0.00 MB cache, while the Raspberry Pi 4 B (Broadcom BCM2711) cache has a total of 1.00 MB. |
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HiSilicon Kirin 925 | Characteristic | Raspberry Pi 4 B (Broadcom BCM2711) |
28 nm | Technology | 28 nm |
Chiplet | Chip design | Monolithic |
Armv7-A (32 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
-- | ISA extensions | -- |
-- | Socket | -- |
None | Virtualization | None |
No | AES-NI | No |
Android | Operating systems | Windows 11 (ARM), Linux |
Q3/2014 | Release date | 06/2019 |
-- | Release price | 35 $ |
show more data | show more data | |
HiSilicon Kirin 925
ARM Mali-T628 MP4 @ 0.60 GHz |
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Raspberry Pi 4 B (Broadcom BCM2711)
Broadcom VideoCore VI @ 0.50 GHz |
HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
Devices using this processor |
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HiSilicon Kirin 925 | Raspberry Pi 4 B (Broadcom BCM2711) |
Unknown | Raspberry Pi 4 B |