AMD Phenom II X4 840 | HiSilicon Kirin 955 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 840 and the HiSilicon Kirin 955 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 840 4 core processor released in Q1/2011 with the HiSilicon Kirin 955 which has 8 CPU cores and was introduced in Q2/2016. |
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AMD Phenom II (52) | Family | HiSilicon Kirin (29) |
AMD Phenom II - 840/850 (2) | CPU group | HiSilicon Kirin 950 (2) |
5 | Generation | 4 |
Propus | Architecture | Cortex-A72 / Cortex-A53 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 840 is a 4 core processor with a clock frequency of 3.20 GHz. The processor can compute 4 threads at the same time. The HiSilicon Kirin 955 clocks with 2.50 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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AMD Phenom II X4 840 | Characteristic | HiSilicon Kirin 955 |
4 | Cores | 8 |
4 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
3.20 GHz | A-Core | 2.50 GHz 4x Cortex-A72 |
-- | B-Core | 1.80 GHz 4x Cortex-A53 |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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no iGPU | GPU | ARM Mali-T880 MP4 |
GPU frequency | 0.90 GHz | |
-- | GPU (Turbo) | 0.90 GHz |
-- | GPU Generation | Midgard 4 |
Technology | 16 nm | |
Max. displays | 2 | |
-- | Compute units | 4 |
-- | Shader | 64 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | -- |
-- | DirectX Version | 11 |
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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no iGPU | GPU | ARM Mali-T880 MP4 |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
No | Codec AVC | No |
No | Codec VC-1 | No |
No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 840, while the HiSilicon Kirin 955 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled. |
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AMD Phenom II X4 840 | Characteristic | HiSilicon Kirin 955 |
DDR3-1333, DDR2-1066 | Memory | LPDDR4, LPDDR3 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | -- |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | -- |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Phenom II X4 840 has a TDP of 95 W. The TDP of the HiSilicon Kirin 955 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X4 840 | Characteristic | HiSilicon Kirin 955 |
95 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 840 has 2.00 MB cache and is manufactured in 45 nm. The cache of HiSilicon Kirin 955 is at 0.00 MB. The processor is manufactured in 16 nm. |
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AMD Phenom II X4 840 | Characteristic | HiSilicon Kirin 955 |
45 nm | Technology | 16 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE3, SSE4a | ISA extensions | -- |
AM3 | Socket | -- |
AMD-V | Virtualization | None |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Android |
Q1/2011 | Release date | Q2/2016 |
-- | Release price | -- |
show more data | show more data | |
AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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HiSilicon Kirin 955
8C 8T @ 2.50 GHz |
AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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HiSilicon Kirin 955
8C 8T @ 2.50 GHz |
AMD Phenom II X4 840
@ 0.00 GHz |
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HiSilicon Kirin 955
ARM Mali-T880 MP4 @ 0.90 GHz |
AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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HiSilicon Kirin 955
8C 8T @ 2.50 GHz |
AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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HiSilicon Kirin 955
8C 8T @ 2.50 GHz |
AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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HiSilicon Kirin 955
8C 8T @ 2.50 GHz |
Devices using this processor |
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AMD Phenom II X4 840 | HiSilicon Kirin 955 |
Unknown | Unknown |