AMD EPYC 7551 vs Intel Core i5-7400

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CPU comparison with benchmarks


AMD EPYC 7551 CPU1 vs CPU2 Intel Core i5-7400
AMD EPYC 7551 Intel Core i5-7400

CPU comparison

AMD 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.
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

CPU Cores and Base Frequency

The 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 --.

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 Graphics

The 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.

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 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.

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 & PCIe

The 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.

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 Management

The 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.

180 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The 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.

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



Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.50 GHz
925 (100%)
Show all Cinebench R23 (Single-Core) results



Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
3359 (100%)
Show all Cinebench R23 (Multi-Core) results



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.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.50 GHz
1175 (100%)
Show all Geekbench 6 (Single-Core) results



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.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
3346 (100%)
Show all Geekbench 6 (Multi-Core) results



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.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.50 GHz
884 (100%)
Show all Geekbench 5, 64bit (Single-Core) results



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.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
2803 (100%)
Show all Geekbench 5, 64bit (Multi-Core) results



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.

AMD EPYC 7551 AMD EPYC 7551
@ 0.00 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
Intel HD Graphics 630 @ 1.00 GHz
384 (100%)
Show all iGPU - FP32 Performance (Single-precision GFLOPS) results



Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
21604 (100%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
5510 (26%)
Show all Estimated results for PassMark CPU Mark results



Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
623.6 (100%)
Show all Blender 2.81 (bmw27) results



CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
384 (100%)
Show all CPU-Z Benchmark 17 (Single-Core) results



CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.00 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.00 GHz
1444 (100%)
Show all CPU-Z Benchmark 17 (Multi-Core) results



Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
132 (89%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.50 GHz
149 (100%)
Show all Cinebench R15 (Single-Core) results



Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
3838 (100%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
564 (15%)
Show all Cinebench R15 (Multi-Core) results



Geekbench 3, 64bit (Single-Core)

Geekbench 3 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.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
3528 (95%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.50 GHz
3732 (100%)
Show all Geekbench 3, 64bit (Single-Core) results



Geekbench 3, 64bit (Multi-Core)

Geekbench 3 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.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
66755 (100%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
11124 (17%)
Show all Geekbench 3, 64bit (Multi-Core) results



Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
1.63 (89%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.50 GHz
1.83 (100%)
Show all Cinebench R11.5, 64bit (Single-Core) results



Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
38.89 (100%)
Intel Core i5-7400 Intel Core i5-7400
4C 4T @ 3.30 GHz
5.98 (15%)
Show all Cinebench R11.5, 64bit (Multi-Core) results



Cinebench R11.5, 64bit (iGPU, OpenGL)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The iGPU test uses the CPU internal graphic unit to execute OpenGL commands.

AMD EPYC 7551 AMD EPYC 7551
@ 0.00 GHz
0 (0%)
Intel Core i5-7400 Intel Core i5-7400
Intel HD Graphics 630 @ 1.00 GHz
33.1 (100%)
Show all Cinebench R11.5, 64bit (iGPU, OpenGL) results



Devices using this processor

AMD EPYC 7551 Intel Core i5-7400
Unknown Unknown

Leaderboards

In our leaderboards, we have clearly compiled the best processors for specific categories for you. The leaderboards are always up to date and are regularly updated by us. The best processors are selected according to popularity and speed in benchmarks as well as the price-performance ratio.


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