HiSilicon Kirin 659 | Intel Core i7-1255U | |
CPU comparisonHiSilicon Kirin 659 or Intel Core i7-1255U - 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 659 has 8 cores with 8 threads and clocks with a maximum frequency of 2.36 GHz. Up to GB of memory is supported in 2 memory channels. The HiSilicon Kirin 659 was released in Q2/2016. The Intel Core i7-1255U has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i7-1255U was released in Q1/2022. |
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HiSilicon Kirin (29) | Family | Intel Core i7 (298) |
HiSilicon Kirin 650 (4) | CPU group | Intel Core i 1200P/1200U (21) |
4 | Generation | 12 |
Cortex-A53 / Cortex-A53 | Architecture | Alder Lake U |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | Intel Core i7-1355U |
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CPU Cores and Base FrequencyThe HiSilicon Kirin 659 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the HiSilicon Kirin 659 is 2.36 GHz while the Intel Core i7-1255U has 10 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-1255U is at 1.70 GHz (4.70 GHz). |
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HiSilicon Kirin 659 | Characteristic | Intel Core i7-1255U |
8 | Cores | 10 |
8 | Threads | 12 |
hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.36 GHz 4x Cortex-A53 |
A-Core | 1.70 GHz (4.70 GHz) 2x Golden Cove |
1.70 GHz 4x Cortex-A53 |
B-Core | 1.20 GHz (3.50 GHz) 8x Gracemont |
Integrated graphics (iGPU)The HiSilicon Kirin 659 or Intel Core i7-1255U 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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ARM Mali-T830 MP2 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
0.90 GHz | GPU frequency | 0.35 GHz |
-- | GPU (Turbo) | 1.25 GHz |
Midgard 4 | GPU Generation | 13 |
28nm | Technology | 10 nm |
2 | Max. displays | 4 |
2 | Compute units | 96 |
32 | Shader | 768 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 32 GB |
11 | DirectX Version | 12.1 |
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-T830 MP2 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
Decode / Encode | Codec VP8 | Decode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe HiSilicon Kirin 659 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is --. The Intel Core i7-1255U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s. |
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HiSilicon Kirin 659 | Characteristic | Intel Core i7-1255U |
LPDDR3-933 | Memory | LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 |
Max. Memory | 64 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
-- | Max. Bandwidth | 83.2 GB/s |
No | ECC | No |
-- | L2 Cache | 6.50 MB |
-- | L3 Cache | 12.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 28 |
-- | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the HiSilicon Kirin 659 is --, while the Intel Core i7-1255U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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HiSilicon Kirin 659 | Characteristic | Intel Core i7-1255U |
-- | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | 55 W |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe HiSilicon Kirin 659 is manufactured in 16 nm and has 0.00 MB cache. The Intel Core i7-1255U is manufactured in 10 nm and has a 18.50 MB cache. |
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HiSilicon Kirin 659 | Characteristic | Intel Core i7-1255U |
16 nm | Technology | 10 nm |
Chiplet | Chip design | Monolithic |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4.1, SSE4.2, AVX2 |
-- | Socket | BGA 1744 |
None | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Android | Operating systems | Windows 10, Windows 11, Linux |
Q2/2016 | Release date | Q1/2022 |
-- | Release price | -- |
show more data | show more data | |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
HiSilicon Kirin 659
ARM Mali-T830 MP2 @ 0.90 GHz |
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Intel Core i7-1255U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
HiSilicon Kirin 659
8C 8T @ 2.36 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
Devices using this processor |
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HiSilicon Kirin 659 | Intel Core i7-1255U |
Unknown | Unknown |