Apple A8 VS HiSilicon Kirin 925 — differences in specs

Comparing Apple A8 vs HiSilicon Kirin 925

Comparison of video cards Apple A8 vs HiSilicon Kirin 925 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Apple A8

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Top features of HiSilicon Kirin 925

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Higher clock speed

1.30 GHz 1.10 GHz

Around 15% better clock speed
More number of cores

8 2

4 times more cores
Higher turbo clock speed

1.80 GHz 1.50 GHz

Around 17 % better overclocked clock speed

Specifications

Complete list of technical specifications

Apple A8 HiSilicon Kirin 925

CPU generation and family

Let's find out which one of Apple A8 and HiSilicon Kirin 925 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Apple A8 HiSilicon Kirin 925
Segment	Mobile Mobile
Family	Apple A series HiSilicon Kirin
Generation	8 2
CPU group	Apple A8/A8X HiSilicon Kirin 920
Predecessor	Apple A7 --
Successor	Apple A9 --

CPU Cores and Base Frequency

In this block we are going to compare Apple A8 vs HiSilicon Kirin 925 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	1.10 GHz 1.30 GHz
CPU Cores	2 8
Turbo (1 Core)	1.50 GHz 1.80 GHz
CPU Threads	2 8
Hyperthreading	No No
Overclocking	No No
Core architecture	normal hybrid (big.LITTLE)
A core	2x Typhoon 4x Cortex-A15
B core	-- 4x Cortex-A7

Internal Graphics

Common specifications for integrated graphics cards in Apple A8 and HiSilicon Kirin 925 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	Apple A8 ARM Mali-T628 MP4
GPU frequency	0.53 GHz 0.60 GHz
GPU (Turbo)	No turbo 0.60 GHz
Execution units	4 4
Shader	128 64
Max. GPU Memory	4 GB --
Max. displays	1 1
Generation	5 Midgard 2
DirectX Version	11
Technology	20 nm 32nm
Release date	Q3/2014 Q4/2012

Hardware codec support

Let's compare the support of video codecs between Apple A8 and HiSilicon Kirin 925. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	No No
h265 / HEVC (10 bit)	No No
h264	Decode Decode / Encode
VP9	No No
VP8	No Decode / Encode
AV1	No No
AVC	Decode No
VC-1	Decode No
JPEG	Decode / Encode No

Memory & PCIe

To choose the best model between Apple A8 and HiSilicon Kirin 925 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	LPDDR3-1600 LPDDR3-1600
Max. Memory	2 GB
ECC	No No
Memory channels	1 2

Encryption

AES-NI encryption support for CPUs Apple A8 and HiSilicon Kirin 925.

Specification	Value
AES-NI	No No

Thermal Management

Let's find out what TDP value would be better for Apple A8 or HiSilicon Kirin 925? 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)	5 W

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Apple A8 and HiSilicon Kirin 925 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) ARMv7-A32 (32 bit)
Virtualization	None None
L2-Cache	1.00 MB --
L3-Cache	4.00 MB --
Architecture	A8 Cortex-A15 / Cortex-A7
Technology	20 nm 28 nm
Socket	N/A N/A
Release date	Q3/2014 Q3/2014