AMD A8-5557M vs AMD A9-9420 SoC

Physical Specifications

Socket AMD Socket FP2 AMD Socket FT4
Process size 32 nm 28 nm
Transistors 1,178 million 1,200 million
Die size 246 mm² 124 mm²
Package BGA2 BGA
tCaseMax 71°C 74°C

Performance

Frequency 2.1 GHz 3 GHz
Turbo clock up to 3.1 GHz up to 3.6 GHz
Base clock 100 MHz 100 MHz
Multiplier 21.0x 30.0x
Multiplier unlocked No No
Voltage 1.475 V
TDP 35 W 15 W

Architecture Details

Vertical Segment Mobile Mobile
Production status unknown Active
Release date Jun 1st, 2013 May 31st, 2016
Codename Richland Stoney Ridge
Generation A8 A9
Part AM5557DFE44HL AM9420AYN23AC
Memory support DDR3 Dual-channel DDR4
ECC memory No No

Cores

Total Cores 4 2
Total Threads 4 2
SMP # CPUs 1 1
Integrated graphics Radeon HD 8550G Radeon R5

Cache

Cache L1 128K (per core) 128K (per core)
Cache L2 1MB (per core) 1MB (per core)

Features & Technologies

3DNow! Yes Yes
AES Yes
AMD-V Yes Yes
AMD64 Yes Yes
AVX Yes
AVX2 Yes
BMI1 Yes
BMI2 Yes
CnQ Yes
EVP Yes
F16C Yes
FMA3 Yes
FMA4 Yes
MMX Yes Yes
NX bit Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4 Yes
SSE4.1 Yes
SSE4.2 Yes
SSE4A Yes Yes
TBM Yes
Turbo Core Yes
XOP Yes

Compare

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