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AMD EPYC 7551 | Intel Core i5-7400 | |
CPU comparisonAMD EPYC 7551 or Intel Core i5-7400 - 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 AMD EPYC 7551 has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7551 was released in Q3/2017. The Intel Core i5-7400 has 4 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-7400 was released in Q1/2017. |
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AMD EPYC | Family | Intel Core i5 |
AMD EPYC 7001 | CPU group | Intel Core i 7000 |
1 | Generation | 7 |
Naples (Zen) | Architecture | Kaby Lake S |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | Intel Core i5-6400 |
AMD EPYC 7552 | Successor | Intel Core i5-8400 |
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CPU Cores and Base FrequencyThe AMD EPYC 7551 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7551 is 2.00 GHz (3.00 GHz) while the Intel Core i5-7400 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i5-7400 is at --. |
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32 | Cores | 4 |
64 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.00 GHz | Frequency | 3.00 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
2.55 GHz | Turbo Frequency (All Cores) | 3.30 GHz |
Internal GraphicsThe AMD EPYC 7551 or Intel Core i5-7400 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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no iGPU | GPU | Intel HD Graphics 630 |
GPU frequency | 0.35 GHz | |
GPU (Turbo) | 1.00 GHz | |
GPU Generation | 9.5 | |
Technology | 14 nm | |
Max. displays | 3 | |
Execution units | 24 | |
Shader | 192 | |
Max. GPU Memory | 64 GB | |
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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No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7551 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The Intel Core i5-7400 supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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DDR4-2666 | Memory | DDR4-2400 |
Max. Memory | 64 GB | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
170.6 GB/s | Bandwidth | 38.4 GB/s |
Yes | ECC | No |
L2 Cache | ||
64.00 MB | L3 Cache | 6.00 MB |
3.0 | PCIe version | 3.0 |
128 | PCIe lanes | 16 |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7551 is 180 W, while the Intel Core i5-7400 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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180 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7551 is manufactured in 14 nm and has 64.00 MB cache. The Intel Core i5-7400 is manufactured in 14 nm and has a 64.00 MB cache. |
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14 nm | Technology | 14 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
SP3 | Socket | LGA 1151 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2017 | Release date | Q1/2017 |
3200 $ | Release price | 220 $ |
show more data | show more data | |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.50 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.50 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.50 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
@ 0.00 GHz |
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Intel Core i5-7400
Intel HD Graphics 630 @ 1.00 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 2.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.00 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.50 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.50 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Core i5-7400
4C 4T @ 3.50 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Core i5-7400
4C 4T @ 3.30 GHz |
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AMD EPYC 7551
@ 0.00 GHz |
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Intel Core i5-7400
Intel HD Graphics 630 @ 1.00 GHz |
Devices using this processor |
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AMD EPYC 7551 | Intel Core i5-7400 |
Unknown | Unknown |