AMD A8-3870K vs AMD Athlon X4 940

Table of Contents

Physical Specifications

Socket AMD Socket FM1 AMD Socket AM4
Process size 32 nm 28 nm
Transistors 1,178 million 1,178 million
Die size 228 mm² 246 mm²
Package µPGA µPGA
tCaseMax 74°C

Performance

Frequency 3 GHz 3.2 GHz
Turbo clock up to 3.6 GHz
Base clock 100 MHz 100 MHz
Multiplier 30.0x 32.0x
Multiplier unlocked Yes Yes
Voltage 1.4125 V 1.475 V
TDP 100 W 65 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life Active
Release date Dec 20th, 2011 Jul 27th, 2017
Codename Llano Bristol Ridge
Generation A8 Athlon
Part AD3870WNZ43GXAD3870WNGXBOX AD940XAGM44AB
Memory support DDR3 Dual-channel DDR4 Dual-channel
ECC memory No No

Cores

Total Cores 4 4
Total Threads 4 4
SMP # CPUs 1 1
Integrated graphics Radeon HD 6550D

Cache

Cache L1 128K (per core) 128K (per core)
Cache L2 1MB (per core) 512K (per core)

Notes

Notes This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

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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