Intel Atom x6427FE VS Intel Core i5-1155G7

Comparison of video cards Intel Atom x6427FE vs Intel Core i5-1155G7 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Intel Atom x6427FE

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Performance per watt

12 W 15 W

About 1.25 0.97 times less performance per watt

Top features of Intel Core i5-1155G7

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Higher clock speed

2.50 GHz 1.90 GHz

Around 24% better clock speed

Specifications

Complete list of technical specifications

Intel Atom x6427FE Intel Core i5-1155G7

CPU generation and family

Let's find out which one of Intel Atom x6427FE and Intel Core i5-1155G7 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Atom x6427FE Intel Core i5-1155G7
Segment	Mobile Mobile
Family	Intel Atom Intel Core i5
Generation	2 11
CPU group	Intel Atom x6000 Intel Core i 1100G/11000U

CPU Cores and Base Frequency

In this block we are going to compare Intel Atom x6427FE vs Intel Core i5-1155G7 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	1.90 GHz 2.50 GHz
CPU Cores	4 4
Turbo (1 Core)	No turbo 4.40 GHz
CPU Threads	4 8
Turbo (4 Cores)	No turbo 3.80 GHz
Hyperthreading	No Yes
Overclocking	No No
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in Intel Atom x6427FE and Intel Core i5-1155G7 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	Intel UHD Graphics 32 EUs (Elkhart Lake) Intel Iris Xe Graphics 80 (Tiger Lake G7)
GPU frequency	0.40 GHz 0.40 GHz
GPU (Turbo)	No turbo 1.35 GHz
Execution units	32 80
Shader	256 640
Max. GPU Memory	-- 16 GB
Max. displays	3 4
Generation	11 12
DirectX Version	12 12
Technology	10 nm 10 nm
Release date	Q1/2021 Q3/2020

Hardware codec support

Let's compare the support of video codecs between Intel Atom x6427FE and Intel Core i5-1155G7. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode / Encode Decode / Encode
h265 / HEVC (10 bit)	Decode / Encode Decode / Encode
h264	Decode / Encode Decode / Encode
VP9	Decode / Encode Decode / Encode
VP8	Decode / Encode Decode
AV1	Decode Decode
AVC	Decode / Encode Decode / Encode
VC-1	Decode Decode
JPEG	Decode / Encode Decode / Encode

Memory & PCIe

To choose the best model between Intel Atom x6427FE and Intel Core i5-1155G7 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-3200LPDDR4X-4266 DDR4-3200LPDDR4X-4266
Max. Memory	64 GB 64 GB
ECC	No No
Memory channels	4 2
PCIe version	3.0 4.0
PCIe lanes	8 4

Encryption

AES-NI encryption support for CPUs Intel Atom x6427FE and Intel Core i5-1155G7.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for Intel Atom x6427FE or Intel Core i5-1155G7? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	12 W 15 W
TDP up	-- 28 W
TDP down	-- 12 W
Tjunction max.	105 °C 100 °C

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom x6427FE and Intel Core i5-1155G7 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
ISA extensions	SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX2, AVX-512
L2-Cache	1.50 MB --
L3-Cache	-- 8.00 MB
Architecture	Elkhart Lake Tiger Lake U
Technology	10 nm 10 nm
Socket	BGA 1296 BGA 1526
Release date	Q1/2021 Q2/2021