Intel Xeon Silver 4114 vs AMD EPYC 7251

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CPU comparison with benchmarks


Intel Xeon Silver 4114 CPU1 vs CPU2 AMD EPYC 7251
Intel Xeon Silver 4114 AMD EPYC 7251

CPU comparison

Intel Xeon Silver 4114 or AMD EPYC 7251 - 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 Xeon Silver 4114 has 10 cores with 20 threads and clocks with a maximum frequency of 3.00 GHz. Up to 768 GB of memory is supported in 6 memory channels. The Intel Xeon Silver 4114 was released in Q3/2017.

The AMD EPYC 7251 has 8 cores with 16 threads and clocks with a maximum frequency of 2.90 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7251 was released in Q3/2017.
Intel Xeon Silver (27) Family AMD EPYC (111)
Intel Xeon Silver 4100 (8) CPU group AMD EPYC 7001 (12)
1 Generation 1
Skylake SP Architecture Naples (Zen)
Desktop / Server Segment Desktop / Server
-- Predecessor --
Intel Xeon Silver 4214 Successor --

CPU Cores and Base Frequency

The Intel Xeon Silver 4114 has 10 CPU cores and can calculate 20 threads in parallel. The clock frequency of the Intel Xeon Silver 4114 is 2.20 GHz (3.00 GHz) while the AMD EPYC 7251 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7251 is at 2.10 GHz (2.90 GHz).

Intel Xeon Silver 4114 Characteristic AMD EPYC 7251
10 Cores 8
20 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.20 GHz Frequency 2.10 GHz
3.00 GHz Turbo Frequency (1 Core) 2.90 GHz
2.60 GHz Turbo Frequency (All Cores) 2.90 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Xeon Silver 4114 Characteristic AMD EPYC 7251
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon Silver 4114 or AMD EPYC 7251 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 no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

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 iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Xeon Silver 4114 can use up to 768 GB of memory in 6 memory channels. The maximum memory bandwidth is 115.2 GB/s. The AMD EPYC 7251 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 153.6 GB/s.

Intel Xeon Silver 4114 Characteristic AMD EPYC 7251
DDR4-2400 Memory DDR4-2666
768 GB Max. Memory
6 (Hexa Channel) Memory channels 8 (Octa Channel)
115.2 GB/s Max. Bandwidth 153.6 GB/s
Yes ECC Yes
-- L2 Cache --
14.00 MB L3 Cache 32.00 MB
3.0 PCIe version 3.0
48 PCIe lanes 128
47.3 GB/s PCIe Bandwidth 126.1 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Silver 4114 is 85 W, while the AMD EPYC 7251 has a TDP of 120 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Silver 4114 Characteristic AMD EPYC 7251
85 W TDP (PL1 / PBP) 120 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Silver 4114 is manufactured in 14 nm and has 14.00 MB cache. The AMD EPYC 7251 is manufactured in 14 nm and has a 32.00 MB cache.

Intel Xeon Silver 4114 Characteristic AMD EPYC 7251
14 nm Technology 14 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 3647 Socket SP3
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2017 Release date Q3/2017
780 $ Release price 450 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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.
Intel Xeon Silver 4114 Intel Xeon Silver 4114
10C 20T @ 3.00 GHz
863 (100%)
AMD EPYC 7251 AMD EPYC 7251
8C 16T @ 2.90 GHz
783 (91%)

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.
Intel Xeon Silver 4114 Intel Xeon Silver 4114
10C 20T @ 2.60 GHz
7528 (100%)
AMD EPYC 7251 AMD EPYC 7251
8C 16T @ 2.90 GHz
4634 (62%)

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.
Intel Xeon Silver 4114 Intel Xeon Silver 4114
10C 20T @ 2.60 GHz
12901 (86%)
AMD EPYC 7251 AMD EPYC 7251
8C 16T @ 2.90 GHz
14936 (100%)

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.
Intel Xeon Silver 4114 Intel Xeon Silver 4114
10C 20T @ 3.00 GHz
131 (100%)
AMD EPYC 7251 AMD EPYC 7251
8C 16T @ 2.90 GHz
128 (98%)

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.
Intel Xeon Silver 4114 Intel Xeon Silver 4114
10C 20T @ 2.60 GHz
1439 (100%)
AMD EPYC 7251 AMD EPYC 7251
8C 16T @ 2.90 GHz
1093 (76%)

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.
Intel Xeon Silver 4114 Intel Xeon Silver 4114
10C 20T @ 3.00 GHz
1067 (100%)
AMD EPYC 7251 AMD EPYC 7251
8C 16T @ 2.90 GHz
0 (0%)

Devices using this processor

Intel Xeon Silver 4114 AMD EPYC 7251
Unknown Unknown

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