Intel Core i5-8400B | Intel Processor U300 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-8400B and the Intel Processor U300 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 Intel Processor U300 which has 5 CPU cores and was introduced in Q1/2023. |
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Intel Core i5 (331) | Family | Intel Processor U (4) |
Intel Core i 8000 (20) | CPU group | Intel Core i 1300P/1300U (29) |
8 | Generation | 13 |
Coffee Lake S | Architecture | Raptor Lake U |
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 Intel Processor U300 clocks with 1.20 GHz (4.40 GHz), has 5 CPU cores and can calculate 6 threads in parallel. |
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Intel Core i5-8400B | Characteristic | Intel Processor U300 |
6 | Cores | 5 |
6 | Threads | 6 |
normal | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.80 GHz (3.80 GHz) | A-Core | 1.20 GHz (4.40 GHz) 1x Raptor Cove |
-- | B-Core | 0.90 GHz (3.30 GHz) 4x Gracemont |
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 | Intel UHD Graphics 13th Gen (48 EU) |
0.35 GHz | GPU frequency | 0.20 GHz |
1.15 GHz | GPU (Turbo) | 1.10 GHz |
9.5 | GPU Generation | 13 |
14 nm | Technology | 10 nm |
3 | Max. displays | 3 |
24 | Compute units | 48 |
192 | Shader | 384 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | 32 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 | Intel UHD Graphics 13th Gen (48 EU) |
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 |
No | Codec AV1 | Decode |
Decode / Encode | Codec AVC | Decode / Encode |
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 Intel Processor U300 supports a maximum of 96 GB of memory with a maximum memory bandwidth of 83.2 GB/s enabled. |
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Intel Core i5-8400B | Characteristic | Intel Processor U300 |
DDR4-2666 | Memory | LPDDR5-5200, LPDDR4X-4266, DDR5-5200, DDR4-3200 |
64 GB | Max. Memory | 96 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
42.7 GB/s | Max. Bandwidth | 83.2 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
9.00 MB | L3 Cache | 10.00 MB |
3.0 | PCIe version | 4.0 |
16 | PCIe lanes | 20 |
15.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe Intel Core i5-8400B has a TDP of 65 W. The TDP of the Intel Processor U300 is 15 W. 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 | Intel Processor U300 |
65 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | 55 W |
-- | TDP up | -- |
-- | TDP down | 12 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-8400B has 9.00 MB cache and is manufactured in 14 nm. The cache of Intel Processor U300 is at 10.00 MB. The processor is manufactured in 10 nm. |
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Intel Core i5-8400B | Characteristic | Intel Processor U300 |
14 nm | Technology | 10 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
BGA 1440 | Socket | BGA 1744 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2018 | Release date | Q1/2023 |
260 $ | Release price | -- |
show more data | show more data | |
Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz |
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Intel Processor U300
Intel UHD Graphics 13th Gen (48 EU) @ 1.10 GHz |
Intel Core i5-8400B
6C 6T @ 3.80 GHz |
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Intel Processor U300
5C 6T @ 4.40 GHz |
Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Intel Processor U300
5C 6T @ 1.20 GHz |
Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Intel Processor U300
5C 6T @ 1.20 GHz |
Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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Intel Processor U300
5C 6T @ 1.20 GHz |
Devices using this processor |
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Intel Core i5-8400B | Intel Processor U300 |
Unknown | Unknown |