Intel Core i5-8400H | AMD Ryzen Z1 Extreme | |
CPU comparisonIntel Core i5-8400H or AMD Ryzen Z1 Extreme - 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 Intel Core i5-8400H has 4 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i5-8400H was released in Q2/2018. The AMD Ryzen Z1 Extreme has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen Z1 Extreme was released in Q2/2023. |
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Intel Core i5 (331) | Family | AMD Ryzen Z1 (2) |
Intel Core i 8000H (6) | CPU group | AMD Ryzen 7040 (21) |
8 | Generation | 6 |
Coffee Lake H | Architecture | Phoenix (Zen 4) |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
Intel Core i5-9400H | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-8400H is a 4 core processor with a clock frequency of 2.50 GHz (4.20 GHz). The AMD Ryzen Z1 Extreme has 8 CPU cores with a clock frequency of 3.30 GHz (5.10 GHz). |
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Intel Core i5-8400H | Characteristic | AMD Ryzen Z1 Extreme |
4 | Cores | 8 |
8 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.50 GHz | Frequency | 3.30 GHz |
4.20 GHz | Turbo Frequency (1 Core) | 5.10 GHz |
3.70 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The 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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Intel HD Graphics 630 | GPU | AMD Radeon 780M |
0.30 GHz | GPU frequency | 0.80 GHz |
1.10 GHz | GPU (Turbo) | 2.70 GHz |
9.5 | GPU Generation | 3 |
14 nm | Technology | 4 nm |
3 | Max. displays | 4 |
24 | Compute units | 12 |
192 | Shader | 768 |
No | Hardware Raytracing | Yes |
No | Frame Generation | AMD FSR |
64 GB | Max. GPU Memory | 32 GB |
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 HD Graphics 630 | GPU | AMD Radeon 780M |
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 |
Decode / Encode | Codec VP8 | Decode |
No | Codec AV1 | Decode / Encode |
Decode / Encode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i5-8400H supports a maximum of 64 GB of memory in 2 memory channels. The AMD Ryzen Z1 Extreme can connect up to 256 GB of memory in 2 memory channels. |
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Intel Core i5-8400H | Characteristic | AMD Ryzen Z1 Extreme |
DDR4-2666 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
64 GB | Max. Memory | 256 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
42.7 GB/s | Max. Bandwidth | 120.0 GB/s |
No | ECC | Yes |
-- | L2 Cache | 8.00 MB |
8.00 MB | L3 Cache | 16.00 MB |
3.0 | PCIe version | 4.0 |
16 | PCIe lanes | 20 |
15.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-8400H has a TDP of 45 W, that of the AMD Ryzen Z1 Extreme is 28 W. |
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Intel Core i5-8400H | Characteristic | AMD Ryzen Z1 Extreme |
45 W | TDP (PL1 / PBP) | 28 W |
-- | TDP (PL2) | -- |
-- | TDP up | 30 W |
-- | TDP down | 15 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-8400H has a 8.00 MB cache, while the AMD Ryzen Z1 Extreme cache has a total of 24.00 MB. |
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Intel Core i5-8400H | Characteristic | AMD Ryzen Z1 Extreme |
14 nm | Technology | 4 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
BGA 1440 | Socket | FP8 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2018 | Release date | Q2/2023 |
-- | Release price | -- |
show more data | show more data | |
Intel Core i5-8400H
4C 8T @ 4.20 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz |
Intel Core i5-8400H
4C 8T @ 3.70 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz |
Intel Core i5-8400H
4C 8T @ 4.20 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz |
Intel Core i5-8400H
4C 8T @ 3.70 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz |
Intel Core i5-8400H
Intel HD Graphics 630 @ 1.10 GHz |
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AMD Ryzen Z1 Extreme
AMD Radeon 780M @ 2.70 GHz |
Intel Core i5-8400H
4C 8T @ 3.70 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz |
Intel Core i5-8400H
4C 8T @ 4.20 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz |
Intel Core i5-8400H
4C 8T @ 4.20 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz |
Intel Core i5-8400H
4C 8T @ 4.20 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz |
Intel Core i5-8400H
4C 8T @ 3.70 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz |
Intel Core i5-8400H
4C 8T @ 4.20 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz |
Intel Core i5-8400H
4C 8T @ 3.70 GHz |
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AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz |
Devices using this processor |
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Intel Core i5-8400H | AMD Ryzen Z1 Extreme |
Unknown | ASUS ROG Ally |