Qualcomm Snapdragon 427 vs Intel Core i5-8400B
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 427 | Intel Core i5-8400B | |
CPU comparisonQualcomm Snapdragon 427 or Intel Core i5-8400B - 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 427 has 4 cores with 4 threads and clocks with a maximum frequency of 1.40 GHz. Up to 4 GB of memory is supported in 1 memory channels. The Qualcomm Snapdragon 427 was released in Q1/2017. The Intel Core i5-8400B has 6 cores with 6 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-8400B was released in Q2/2018. |
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| Qualcomm Snapdragon (102) | Family | Intel Core i5 (331) |
| Qualcomm Snapdragon 425/427 (2) | CPU group | Intel Core i 8000 (20) |
| 3 | Generation | 8 |
| Cortex-A53 | Architecture | Coffee Lake S |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 427 is a 4 core processor with a clock frequency of 1.40 GHz. The Intel Core i5-8400B has 6 CPU cores with a clock frequency of 2.80 GHz (3.80 GHz). |
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| Qualcomm Snapdragon 427 | Characteristic | Intel Core i5-8400B |
| 4 | Cores | 6 |
| 4 | Threads | 6 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.40 GHz | Frequency | 2.80 GHz |
| -- | Turbo Frequency (1 Core) | 3.80 GHz |
| -- | Turbo Frequency (All Cores) | 4.00 GHz |
Artificial Intelligence and Machine LearningProcessors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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| Qualcomm Snapdragon 427 | Characteristic | Intel Core i5-8400B |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon 536 | AI specifications | -- |
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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| Qualcomm Adreno 308 | GPU | Intel UHD Graphics 630 |
| 0.50 GHz | GPU frequency | 0.35 GHz |
| 0.50 GHz | GPU (Turbo) | 1.15 GHz |
| 3 | GPU Generation | 9.5 |
| 28 nm | Technology | 14 nm |
| 0 | Max. displays | 3 |
| -- | Compute units | 24 |
| 24 | Shader | 192 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 64 GB |
| 11 | 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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| Qualcomm Adreno 308 | GPU | Intel UHD Graphics 630 |
| Decode | 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 | No |
| No | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Qualcomm Snapdragon 427 supports a maximum of 4 GB of memory in 1 memory channels. The Intel Core i5-8400B can connect up to 64 GB of memory in 2 memory channels. |
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| Qualcomm Snapdragon 427 | Characteristic | Intel Core i5-8400B |
| LPDDR3-1333 | Memory | DDR4-2666 |
| 4 GB | Max. Memory | 64 GB |
| 1 (Single Channel) | Memory channels | 2 (Dual Channel) |
| 5.4 GB/s | Max. Bandwidth | 42.7 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| -- | L3 Cache | 9.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 16 |
| -- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 427 has a TDP of --, that of the Intel Core i5-8400B is 65 W. |
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| Qualcomm Snapdragon 427 | Characteristic | Intel Core i5-8400B |
| -- | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon 427 has a 0.00 MB cache, while the Intel Core i5-8400B cache has a total of 9.00 MB. |
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| Qualcomm Snapdragon 427 | Characteristic | Intel Core i5-8400B |
| 28 nm | Technology | 14 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 1440 |
| None | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Android | Operating systems | Windows 10, Windows 11, Linux |
| Q1/2017 | Release date | Q2/2018 |
| -- | Release price | 260 $ |
| show more data | show more data | |
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Rate these processors
iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Qualcomm Snapdragon 427
Qualcomm Adreno 308 @ 0.50 GHz |
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Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz |
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Intel Core i5-8400B
6C 6T @ 3.80 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Blender 3.1 Benchmark
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
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Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 427 | Intel Core i5-8400B |
| Unknown | Unknown |
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