Intel Core i5-8400B vs UNISOC T618
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CPU comparison with benchmarks
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| Intel Core i5-8400B | UNISOC T618 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-8400B and the UNISOC T618 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 UNISOC T618 which has 8 CPU cores and was introduced in Q3/2019. |
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| Intel Core i5 (331) | Family | UNISOC 4G (10) |
| Intel Core i 8000 (20) | CPU group | UNISOC 4G 12nm (8) |
| 8 | Generation | 0 |
| Coffee Lake S | Architecture | -- |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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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 UNISOC T618 clocks with 2.00 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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| Intel Core i5-8400B | Characteristic | UNISOC T618 |
| 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 | 2.00 GHz 2x Cortex-A75 |
| -- | B-Core | 2.00 GHz 6x Cortex-A55 |
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 | ARM Mali-G52 MP2 |
| 0.35 GHz | GPU frequency | 0.85 GHz |
| 1.15 GHz | GPU (Turbo) | -- |
| 9.5 | GPU Generation | Bifrost 2 |
| 14 nm | Technology | 16 nm |
| 3 | Max. displays | 2 |
| 24 | Compute units | 2 |
| 192 | Shader | 32 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 GB | Max. GPU Memory | -- |
| 12 | 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 UHD Graphics 630 | GPU | ARM Mali-G52 MP2 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | Decode / Encode |
| Decode / Encode | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode / Encode |
| 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 UNISOC T618 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled. |
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| Intel Core i5-8400B | Characteristic | UNISOC T618 |
| DDR4-2666 | Memory | LPDDR4X-1866, LPDDR4-1866, LPDDR3-933 |
| 64 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 42.7 GB/s | Max. Bandwidth | -- |
| 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 UNISOC T618 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 | UNISOC T618 |
| 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 UNISOC T618 is at 0.00 MB. The processor is manufactured in 12 nm. |
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| Intel Core i5-8400B | Characteristic | UNISOC T618 |
| 14 nm | Technology | 12 nm |
| Monolithic | Chip design | Unknown |
| 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 | Q3/2019 |
| 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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UNISOC T618
ARM Mali-G52 MP2 @ 0.85 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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UNISOC T618
8C 8T @ 2.00 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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UNISOC T618
8C 8T @ 2.00 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core i5-8400B
6C 6T @ 3.80 GHz |
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UNISOC T618
8C 8T @ 2.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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UNISOC T618
8C 8T @ 2.00 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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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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UNISOC T618
8C 8T @ 2.00 GHz |
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Devices using this processor |
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| Intel Core i5-8400B | UNISOC T618 |
| Unknown | Unknown |
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