Intel Atom x5-E8000 vs Intel Core i9-7940X

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CPU comparison with benchmarks


Intel Atom x5-E8000 CPU1 vs CPU2 Intel Core i9-7940X
Intel Atom x5-E8000 Intel Core i9-7940X

CPU comparison

In this CPU comparison, we compare the Intel Atom x5-E8000 and the Intel Core i9-7940X and use benchmarks to check which processor is faster.

We compare the Intel Atom x5-E8000 4 core processor released in Q1/2016 with the Intel Core i9-7940X which has 14 CPU cores and was introduced in Q4/2017.
Intel Atom (108) Family Intel Core i9 (78)
Intel Atom x3/x5/x7 (9) CPU group Intel Core i 7000X (9)
5 Generation 7
Cherry Trail Architecture Skylake X
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor Intel Core i9-9940X

CPU Cores and Base Frequency

The Intel Atom x5-E8000 is a 4 core processor with a clock frequency of 1.04 GHz (2.00 GHz). The processor can compute 4 threads at the same time. The Intel Core i9-7940X clocks with 3.10 GHz (4.30 GHz), has 14 CPU cores and can calculate 28 threads in parallel.

Intel Atom x5-E8000 Characteristic Intel Core i9-7940X
4 Cores 14
4 Threads 28
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
1.04 GHz Frequency 3.10 GHz
2.00 GHz Turbo Frequency (1 Core) 4.30 GHz
-- Turbo Frequency (All Cores) 3.70 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 Atom x5-E8000 Characteristic Intel Core i9-7940X
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel HD Graphics 400 GPU no iGPU
0.32 GHz GPU frequency --
-- GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 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.

Intel HD Graphics 400 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

Up to 8 GB of memory in a maximum of 2 memory channels is supported by the Intel Atom x5-E8000, while the Intel Core i9-7940X supports a maximum of 128 GB of memory with a maximum memory bandwidth of 85.4 GB/s enabled.

Intel Atom x5-E8000 Characteristic Intel Core i9-7940X
DDR3L-1600 Memory DDR4-2666
8 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
25.6 GB/s Max. Bandwidth 85.4 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 19.00 MB
2.0 PCIe version 3.0
4 PCIe lanes 44
2.0 GB/s PCIe Bandwidth 43.3 GB/s

Thermal Management

The Intel Atom x5-E8000 has a TDP of 5 W. The TDP of the Intel Core i9-7940X is 165 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom x5-E8000 Characteristic Intel Core i9-7940X
5 W TDP (PL1 / PBP) 165 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. --

Technical details

The Intel Atom x5-E8000 has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i9-7940X is at 19.00 MB. The processor is manufactured in 14 nm.

Intel Atom x5-E8000 Characteristic Intel Core i9-7940X
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1170 Socket LGA 2066
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q1/2016 Release date Q4/2017
39 $ Release price 1399 $
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Atom x5-E8000 (16%)
Intel Core i9-7940X (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Atom x5-E8000 (4%)
Intel Core i9-7940X (100%)

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 Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 2.00 GHz
198 (17%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 4.30 GHz
1133 (100%)

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 Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 1.04 GHz
689 (5%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 3.70 GHz
12964 (100%)

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 Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 1.04 GHz
1008 (4%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 3.70 GHz
26338 (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 Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 2.00 GHz
27 (14%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 4.30 GHz
188 (100%)

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 Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 1.04 GHz
89 (3%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 3.70 GHz
2849 (100%)

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 Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 2.00 GHz
0 (0%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 4.30 GHz
1410 (100%)

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.
Intel Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 1.04 GHz
0 (0%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 3.70 GHz
10425 (100%)

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.
Intel Atom x5-E8000 Intel Atom x5-E8000
Intel HD Graphics 400 @ 0.32 GHz
67 (100%)
Intel Core i9-7940X Intel Core i9-7940X
@ 0.00 GHz
0 (0%)

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.
Intel Atom x5-E8000 Intel Atom x5-E8000
4C 4T @ 1.04 GHz
0 (0%)
Intel Core i9-7940X Intel Core i9-7940X
14C 28T @ 3.70 GHz
121.7 (100%)

Devices using this processor

Intel Atom x5-E8000 Intel Core i9-7940X
Acer NX.EFAET.050 Unknown

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