Intel Core i5-8400B vs Qualcomm Snapdragon 7c
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CPU comparison with benchmarks
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| Intel Core i5-8400B | Qualcomm Snapdragon 7c | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-8400B and the Qualcomm Snapdragon 7c and use benchmarks to check which processor is faster.
We compare the Intel Core i5-8400B 6 core processor released in Q2/2018 with the Qualcomm Snapdragon 7c which has 8 CPU cores and was introduced in 2020. |
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| Intel Core i5 (331) | Family | Qualcomm Snapdragon (104) |
| Intel Core i 8000 (20) | CPU group | Qualcomm Snapdragon 7c (2) |
| 8 | Generation | 2 |
| Coffee Lake S | Architecture | Kryo 468 |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | Qualcomm Snapdragon 7c Gen 2 |
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CPU Cores and Base FrequencyThe Intel Core i5-8400B is a 6 core processor with a clock frequency of 2.80 GHz (3.80 GHz). The processor can compute 6 threads at the same time. The Qualcomm Snapdragon 7c clocks with 2.40 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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| Intel Core i5-8400B | Characteristic | Qualcomm Snapdragon 7c |
| 6 | Cores | 8 |
| 6 | Threads | 8 |
| normal | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.80 GHz (3.80 GHz) | A-Core | 2.40 GHz 2x Kryo 468 Gold |
| -- | B-Core | 2.40 GHz 6x Kryo 468 Silver |
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 i5-8400B | Characteristic | Qualcomm Snapdragon 7c |
| -- | AI hardware | Qualcomm AI engine |
| -- | AI specifications | Hexagon 692 @ 5 TOPS |
| -- | NPU + CPU + iGPU | -- |
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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| Intel UHD Graphics 630 | GPU | Qualcomm Adreno 618 |
| 0.35 GHz | GPU frequency | 0.70 GHz |
| 1.15 GHz | GPU (Turbo) | -- |
| 9.5 | GPU Generation | 6 |
| 14 nm | Technology | 14 nm |
| 3 | Max. displays | 2 |
| 24 | Compute units | -- |
| 192 | Shader | 128 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 GB | Max. GPU Memory | 4 GB |
| 12 | 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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| Intel UHD Graphics 630 | GPU | Qualcomm Adreno 618 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | Decode |
| Decode / Encode | Codec VP8 | Decode |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-8400B, while the Qualcomm Snapdragon 7c supports a maximum of 8 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled. |
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| Intel Core i5-8400B | Characteristic | Qualcomm Snapdragon 7c |
| DDR4-2666 | Memory | LPDDR4X-4266 |
| 64 GB | Max. Memory | 8 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 42.7 GB/s | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 9.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | -- |
| 16 | PCIe lanes | -- |
| 15.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core i5-8400B has a TDP of 65 W. The TDP of the Qualcomm Snapdragon 7c is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core i5-8400B | Characteristic | Qualcomm Snapdragon 7c |
| 65 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i5-8400B has 9.00 MB cache and is manufactured in 14 nm. The cache of Qualcomm Snapdragon 7c is at 0.00 MB. The processor is manufactured in 8 nm. |
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| Intel Core i5-8400B | Characteristic | Qualcomm Snapdragon 7c |
| 14 nm | Technology | 8 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | -- |
| BGA 1440 | Socket | -- |
| VT-x, VT-x EPT, VT-d | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Android |
| Q2/2018 | Release date | 2020 |
| 260 $ | Release price | -- |
| 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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Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz |
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Qualcomm Snapdragon 7c
Qualcomm Adreno 618 @ 0.70 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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Intel Core i5-8400B
6C 6T @ 3.80 GHz |
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Qualcomm Snapdragon 7c
8C 8T @ 2.40 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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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Qualcomm Snapdragon 7c
8C 8T @ 2.40 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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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Qualcomm Snapdragon 7c
8C 8T @ 2.40 GHz |
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AI performance (NPU)
The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.
Processors 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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Processors 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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
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Intel Core i5-8400B
6C 6T @ 2.80 GHz |
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Qualcomm Snapdragon 7c
8C 8T @ 2.40 GHz |
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Devices using this processor |
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| Intel Core i5-8400B | Qualcomm Snapdragon 7c |
| Unknown | HP Chromebook x2 11 Acer Aspire 1 A114-61 |
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