AMD EPYC 7451 vs Intel Atom E3827

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CPU comparison with benchmarks


AMD EPYC 7451 CPU1 vs CPU2 Intel Atom E3827
AMD EPYC 7451 Intel Atom E3827

CPU comparison

AMD EPYC 7451 or Intel Atom E3827 - 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 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017.

The Intel Atom E3827 has 2 cores with 2 threads and clocks with a maximum frequency of 1.75 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Atom E3827 was released in Q4/2013.
AMD EPYC (129) Family Intel Atom (108)
AMD EPYC 7001 (12) CPU group Intel Atom E3800 (6)
1 Generation 4
Naples (Zen) Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 7451 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7451 is 2.30 GHz (3.20 GHz) while the Intel Atom E3827 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Atom E3827 is at 1.75 GHz.

AMD EPYC 7451 Characteristic Intel Atom E3827
24 Cores 2
48 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.30 GHz Frequency 1.75 GHz
3.20 GHz Turbo Frequency (1 Core) --
2.90 GHz Turbo Frequency (All Cores) --

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.

AMD EPYC 7451 Characteristic Intel Atom E3827
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD EPYC 7451 or Intel Atom E3827 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 (Bay Trail GT1)
GPU frequency 0.54 GHz
-- GPU (Turbo) 0.79 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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 Intel HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The AMD EPYC 7451 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The Intel Atom E3827 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

AMD EPYC 7451 Characteristic Intel Atom E3827
DDR4-2666 Memory DDR3L-1333
Max. Memory 8 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
170.6 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache --
64.00 MB L3 Cache 1.00 MB
3.0 PCIe version --
128 PCIe lanes --
126.1 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD EPYC 7451 is 180 W, while the Intel Atom E3827 has a TDP of 8 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 7451 Characteristic Intel Atom E3827
180 W TDP (PL1 / PBP) 8 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7451 is manufactured in 14 nm and has 64.00 MB cache. The Intel Atom E3827 is manufactured in 22 nm and has a 1.00 MB cache.

AMD EPYC 7451 Characteristic Intel Atom E3827
14 nm Technology 22 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
SP3 Socket BGA 1170
AMD-V, SVM Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q3/2017 Release date Q4/2013
2400 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD EPYC 7451 (100%)
Intel Atom E3827 (19%)
⌀ Multi core performance in 2 CPU benchmarks
AMD EPYC 7451 (100%)
Intel Atom E3827 (2%)

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 7451 AMD EPYC 7451
24C 48T @ 3.20 GHz
884 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
170 (19%)

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 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
14671 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
324 (2%)

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 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
20479 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
460 (2%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 7451 AMD EPYC 7451
24C 48T @ 3.20 GHz
317 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
6768 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
0 (0%)

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 7451 AMD EPYC 7451
@ 0.00 GHz
0 (0%)
Intel Atom E3827 Intel Atom E3827
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (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.
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 3.20 GHz
141 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
0 (0%)

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 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
3277 (100%)
Intel Atom E3827 Intel Atom E3827
2C 2T @ 1.75 GHz
0 (0%)

Devices using this processor

AMD EPYC 7451 Intel Atom E3827
Unknown Unknown

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