Qualcomm Snapdragon S2 (MSM8655T) vs UNISOC 8521E Full Specs

Summary

1 Core 1 Thread 1.5GHz	1 Core 1 Thread 1.1GHz
TDP 5W	TDP 3W
Bandwidth 5.3GB/s LPDDR2	Bandwidth 5.3GB/s LPDDR3·LPDDR2
iGPU Adreno 205	iGPU -
Peak·FP32·FP16 17.02 GFLOPSFP16	Peak·FP32·FP16 -

Core Config

1 Core	1 Core
1 Threads	1 Threads

Clocks

Base Clock 1.5GHz	Base Clock 1.1GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 384KB	L2 512KB

Memory

Type LPDDR2	Type LPDDR3·LPDDR2
Max Memory 4GB	Max Memory -
ECC No	ECC No
Channels 2	Channels 1
Bus Width 64-bit	Bus Width 32-bit
Speed 666MT/s	Speed 1333MT/s
Bandwidth 5.3GB/s	Bandwidth 5.3GB/s
Bandwidth Calculator Channels Transfer Rate666MT/s UC·Spec·OC 5.3GB/s	Bandwidth Calculator Channels Transfer Rate1333MT/s UC·Spec·OC 5.3GB/s

Power & Thermals

TDP 5W

TDP 3W

iGPU

iGPU Adreno 205	iGPU -
Shaders 16	Shaders -
Boost Clock 266MHz	Boost Clock -
Peak·FP32·FP16 17.02 GFLOPSFP16	Peak·FP32·FP16 -

NPU

NPU Model Hexagon QDSP5	NPU Model -
NPU Clock 256MHz	NPU Clock -

Cellular

Modem Model Gobi 2000	Modem Model UNISOC LTE 4
Peak Down Up to 7.2Mbps	Peak Down Up to 150Mbps
Peak Up Up to 5.8Mbps	Peak Up Up to 50Mbps

Chip

Manufacturer Qualcomm	Manufacturer UNISOC
ISA AArch32	ISA AArch64
Architecture ScorpionARMv7-A	Architecture ARMv8.0-A
Family S2 Series	Family -
Branding	Branding
Codename Cortex-A9P-Core	Codename Cortex-A53P-Core
Market Segment Smartphone	Market Segment Smartphone
Release Date Feb 11, 2016	Release Date Jan 1, 2019

Fabrication

Foundry Samsung	Foundry Samsung
Fabrication Node 45nm	Fabrication Node 28nm LP

Images

Competitors

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