CPUs

Intel Atom Z2420 vs UNISOC SC6821 Full Specs

1 Core
2 Threads
1.2GHz
1 Core
1 Thread
1GHz
TDP
3W
TDP
5W
Bandwidth
6.4GB/s
LPDDR2
Bandwidth
1.6GB/s
DDR
iGPU
iGPU
··
6.4 GFLOPSFP32
··
3.2 GFLOPSFP32
Socket
Socket
-

1 Core
1 Core
2 Threads
1 Threads

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

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

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

TDP
3W
TDP
5W

iGPU
iGPU
Shaders
8
Shaders
4
Boost Clock
400MHz
Boost Clock
400MHz
··
6.4 GFLOPSFP32
··
3.2 GFLOPSFP32

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

Manufacturer
Manufacturer
ISA
x86-32
ISA
AArch32
Architecture
Architecture
Family
Family
-
Branding
Atom 2013 branding
Branding
SC6821 branding
Codename
Penwell
-
Codename
-
Cortex-A5P-Core
Market Segment
Smartphone
Market Segment
Smartphone
Release Date
Jan 1, 2013
Release Date
Jan 1, 2014

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