UNISOC SC6821 vs Intel Atom Z2420 Full Specs

Summary

1 Core 1 Thread 1GHz	1 Core 2 Threads 1.2GHz
TDP 5W	TDP 3W
Bandwidth 1.6GB/s DDR	Bandwidth 6.4GB/s LPDDR2
iGPU Mali-400 MP1 400MHz	iGPU GMA SGX540 400MHz
Peak·FP32·FP16 3.2 GFLOPSFP32	Peak·FP32·FP16 6.4 GFLOPSFP32
Socket -	Socket BGA 617

Core Config

1 Core	1 Core
1 Threads	2 Threads

Clocks

Base Clock 1GHz	Base Clock 1.2GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 24KB
L2 256KB	L2 512KB

Memory

Type DDR	Type LPDDR2
Max Memory -	Max Memory 1GB
ECC No	ECC No
Channels 1	Channels 2
Bus Width 32-bit	Bus Width 64-bit
Speed 400MT/s	Speed 800MT/s
Bandwidth 1.6GB/s	Bandwidth 6.4GB/s
Bandwidth Calculator Channels Transfer Rate400MT/s UC·Spec·OC 1.6GB/s	Bandwidth Calculator Channels Transfer Rate800MT/s UC·Spec·OC 6.4GB/s

Power & Thermals

TDP 5W

TDP 3W

iGPU

iGPU Mali-400 MP1 400MHz	iGPU GMA SGX540 400MHz
Shaders 4	Shaders 8
Boost Clock 400MHz	Boost Clock 400MHz
Peak·FP32·FP16 3.2 GFLOPSFP32	Peak·FP32·FP16 6.4 GFLOPSFP32

Cellular

Modem Model UNISOC GPRS	Modem Model -
Peak Down Up to 0.04Mbps	Peak Down -
Peak Up Up to 0.04Mbps	Peak Up -

Chip

Manufacturer UNISOC	Manufacturer Intel
ISA AArch32	ISA x86-32
Architecture ARMv7-A	Architecture Saltwell
Family -	Family Atom
Branding	Branding
Codename - Cortex-A5P-Core	Codename Penwell -
Market Segment Smartphone	Market Segment Smartphone
Release Date Jan 1, 2014	Release Date Jan 1, 2013

Fabrication

Foundry Samsung	Foundry Intel
Fabrication Node 45nm	Fabrication Node 32nm
Die Size -	Die Size 66mm²
Transistor Count -	Transistor Count 176 Million
Transistor Density -	Transistor Density 3 MTr/mm²

Images

Competitors

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