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Intel Core i7-3840QM | HiSilicon Kirin 820 5G | |
CPU comparisonIntel Core i7-3840QM or HiSilicon Kirin 820 5G - 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 Intel Core i7-3840QM has 4 cores with 8 threads and clocks with a maximum frequency of 3.80 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-3840QM was released in Q3/2012. The HiSilicon Kirin 820 5G has 8 cores with 8 threads and clocks with a maximum frequency of 2.36 GHz. The CPU supports up to GB of memory in 4 memory channels. The HiSilicon Kirin 820 5G was released in Q2/2019. |
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Intel Core i7 Extreme Edition (24) | Family | HiSilicon Kirin (29) |
Intel Core i 3000M (29) | CPU group | HiSilicon Kirin 810/820 (3) |
3 | Generation | 6 |
Ivy Bridge H | Architecture | Cortex-A76 / Cortex-A55 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-3840QM is a 4 core processor with a clock frequency of 2.80 GHz (3.80 GHz). The HiSilicon Kirin 820 5G has 8 CPU cores with a clock frequency of 2.36 GHz. |
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Intel Core i7-3840QM | Characteristic | HiSilicon Kirin 820 5G |
4 | Cores | 8 |
8 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
2.80 GHz (3.80 GHz) | A-Core | 2.36 GHz 4x Cortex-A76 |
-- | B-Core | 1.84 GHz 4x Cortex-A55 |
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. |
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Intel Core i7-3840QM | Characteristic | HiSilicon Kirin 820 5G |
-- | AI hardware | HUAWEI HiAI 2.0 |
-- | AI specifications | Da Vinci Architecture. Ascend D110 Lite |
-- | 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. |
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Intel HD Graphics 4000 | GPU | ARM Mali-G57 MP6 |
0.65 GHz | GPU frequency | 0.85 GHz |
1.30 GHz | GPU (Turbo) | -- |
7 | GPU Generation | Vallhall 1 |
22 nm | Technology | 7 nm |
3 | Max. displays | 2 |
16 | Compute units | 6 |
128 | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 4 GB |
11.0 | DirectX Version | 12 |
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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Intel HD Graphics 4000 | GPU | ARM Mali-G57 MP6 |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode / Encode |
Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i7-3840QM supports a maximum of 32 GB of memory in 2 memory channels. The HiSilicon Kirin 820 5G can connect up to GB of memory in 4 memory channels. |
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Intel Core i7-3840QM | Characteristic | HiSilicon Kirin 820 5G |
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 | Memory | LPDDR4X-2133 |
32 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
25.6 GB/s | Max. Bandwidth | -- |
No | ECC | No |
-- | L2 Cache | -- |
8.00 MB | L3 Cache | 2.00 MB |
3.0 | PCIe version | -- |
16 | PCIe lanes | -- |
15.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-3840QM has a TDP of 45 W, that of the HiSilicon Kirin 820 5G is 6 W. |
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Intel Core i7-3840QM | Characteristic | HiSilicon Kirin 820 5G |
45 W | TDP (PL1 / PBP) | 6 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i7-3840QM has a 8.00 MB cache, while the HiSilicon Kirin 820 5G cache has a total of 2.00 MB. |
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Intel Core i7-3840QM | Characteristic | HiSilicon Kirin 820 5G |
22 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4.1, SSE4.2, AVX | ISA extensions | -- |
PGA 988 | Socket | -- |
VT-x, VT-x EPT | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Android |
Q3/2012 | Release date | Q2/2019 |
568 $ | Release price | -- |
show more data | show more data | |
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Intel Core i7-3840QM
4C 8T @ 3.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
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Intel Core i7-3840QM
4C 8T @ 2.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
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Intel Core i7-3840QM
Intel HD Graphics 4000 @ 1.30 GHz |
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HiSilicon Kirin 820 5G
ARM Mali-G57 MP6 @ 0.85 GHz |
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Intel Core i7-3840QM
4C 8T @ 3.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
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Intel Core i7-3840QM
4C 8T @ 2.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
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Intel Core i7-3840QM
4C 8T @ 2.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
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Intel Core i7-3840QM
4C 8T @ 2.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
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Intel Core i7-3840QM
4C 8T @ 2.80 GHz |
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HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz |
Devices using this processor |
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Intel Core i7-3840QM | HiSilicon Kirin 820 5G |
Unknown | Huawei Honor 30S Huawei P40 Lite 5G |