Intel Core i5-8400B Benchmark, Test and specs
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The Intel Core i5-8400B has 6 cores with 6 threads and is based on the 8. gen of the Intel Core i5 series. The processor uses a mainboard with the BGA 1440 socket and was released in Q2/2018.
CPU lineageThe segment in which we have classified the Intel Core i5-8400B. Here you can see if it is a desktop processor or a mobile processor or which processor may be the successor of the Intel Core i5-8400B. |
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| Name: | Intel Core i5-8400B |
| Family: | Intel Core i5 |
| CPU group: | Intel Core i 8000 |
| Segment: | Desktop / Server |
| Generation: | 8 |
| Predecessor: | -- |
| Successor: | -- |
CPU Cores and Base Frequency
The Intel Core i5-8400B has 6 CPU cores and can calculate 6 threads in parallel. The clock frequency of the Intel Core i5-8400B is 2.80 GHz (3.80 GHz). The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
| CPU Cores / Threads: | 6 / 6 |
| Core architecture: | normal |
| Cores: | 6x |
| Hyperthreading / SMT: | No |
| Overclocking: | No |
| Frequency: | 2.80 GHz |
| Turbo Frequency (1 Core): | 3.80 GHz |
| Turbo Frequency (6 Cores): | 4.00 GHz |
Internal Graphics
The Intel Core i5-8400B has integrated graphics, called iGPU for short. Specifically, the Intel Core i5-8400B uses the Intel UHD Graphics 630, which has 192 texture shaders and 24 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
| GPU name: | Intel UHD Graphics 630 |
| GPU frequency: | 0.35 GHz |
| GPU (Turbo): | 1.15 GHz |
| Execution units: | 24 |
| Shader: | 192 |
| Max. GPU Memory: | 64 GB |
| Max. displays: | 3 |
| Generation: | 9.5 |
| Direct X: | 12 |
| Technology: | 14 nm |
| Release date: | Q4/2017 |
Hardware codec support
A 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.
| h265 / HEVC (8 bit): | Decode / Encode |
| h265 / HEVC (10 bit): | Decode / Encode |
| h264: | Decode / Encode |
| VP8: | Decode / Encode |
| VP9: | Decode / Encode |
| AV1: | No |
| AVC: | Decode / Encode |
| VC-1: | Decode |
| JPEG: | Decode / Encode |
Memory & PCIeThe processor can use up to 64 GB memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is 42.7 GB/s. The memory type as well as the amount of memory can greatly affect the speed of the system. |
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| Memory type: | DDR4-2666 |
| Max. Memory: | 64 GB |
| Memory channels: | 2 (Dual Channel) |
| Bandwidth: | 42.7 GB/s |
| ECC: | No |
| PCIe: | 3.0 x 16 |
| AES-NI: | Yes |
Thermal ManagementThe thermal design power (TDP for short) of the processor is 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. The TDP usually gives a rough idea of the actual power consumption of the CPU. |
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| TDP (PL1 / PBP): | 65 W |
| TDP (PL2): | -- |
| TDP up: | -- |
| TDP down: | -- |
| Tjunction max.: | 100 °C |
Technical details
The Intel Core i5-8400B is made in 14 nm. The smaller the manufacturing process of a CPU, the more modern and energy-efficient it is. Overall, the processor has 9.00 MB cache. A large cache can greatly speed up the processor's speed in some cases such as games.
| Technology: | 14 nm |
| Chip design: | Monolithic |
| Socket: | BGA 1440 |
| L2-Cache: | -- |
| L3-Cache: | 9.00 MB |
| Architecture: | Coffee Lake S |
| Operating systems: | Windows 10, Windows 11, Linux |
| Virtualization: | VT-x, VT-x EPT, VT-d |
| Instruction set (ISA): | x86-64 (64 bit) |
| ISA extensions: | SSE4.1, SSE4.2, AVX2 |
| Release date: | Q2/2018 |
| Release price: | 260 $ |
| Part Number: | -- |
| Documents: | Technical data sheet |
6C 6T @ 2.80 GHz (3.80 GHz)
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Benchmark results
The benchmark results for the Intel Core i5-8400B have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.
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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AMD Radeon 610M Graphics @ 2.20 GHz |
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AMD Ryzen 9 7845HX
AMD Radeon 610M Graphics @ 2.20 GHz |
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AMD Ryzen 9 7945HX
AMD Radeon 610M Graphics @ 2.20 GHz |
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Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz |
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Intel Core i5-10500E
Intel UHD Graphics 630 @ 1.15 GHz |
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Intel Core i7-10700TE
Intel UHD Graphics 630 @ 1.15 GHz |
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Intel Core i3-10305
Intel UHD Graphics 630 @ 1.15 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 i7-4790K
4C 8T @ 4.20 GHz |
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Intel Core i7-6700K
4C 8T @ 4.00 GHz |
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Intel Core i5-8400
6C 6T @ 3.80 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Intel Core i7-11370H
4C 8T @ 4.30 GHz |
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Intel Core i7-6700
4C 8T @ 3.70 GHz |
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Intel Core i5-9400F
6C 6T @ 3.90 GHz |
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