ATHLON X4 840 3.1GZ FM2+ BOX

General information
Type CPU / Microprocessor
Market segment Desktop
Family
AMD Athlon X4
Model number 840
Frequency 3100 MHz
Turbo frequency 3800 MHz
Package 906-pin lidded micro-PGA package
Socket Socket FM2+
Architecture / Microarchitecture
Microarchitecture Steamroller
Processor core Kaveri
Core stepping KV-A1
CPUID 630F01
Manufacturing process 0.028 micron SHP
2.41 billion transistors
Die size 245mm2
Data width 64 bit
The number of cores 4
The number of threads 4
Floating Point Unit Integrated
Level 1 cache size 2 x 96 KB 3-way set associative shared instruction caches
4 x 16 KB 4-way set associative data caches
Level 2 cache size 2 x 2 MB 16-way set associative shared caches
Level 3 cache size None
Multiprocessing Uniprocessor
Features

MMX instructions
Extensions to MMX
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4
SSE4a
AES / Advanced Encryption Standard instructions
AVX / Advanced Vector Extensions
BMI1 / Bit Manipulation instructions 1
F16C / 16-bit Floating-Point conversion instructions
FMA3 / 3-operand Fused Multiply-Add instructions
FMA4 / 4-operand Fused Multiply-Add instructions
TBM / Trailing Bit Manipulation instructions
XOP / eXtended Operations instructions
AMD64 / AMD 64-bit technology
AMD-V / AMD Virtualization technology
EVP / Enhanced Virus Protection
Turbo Core 3.0 technology

Low power features PowerNow!
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 2
Supported memory: DDR3
Other peripherals

PCI Express 3.0
Unified Video Decoder 4.0
Video Coding Engine 2.0

Electrical / Thermal parameters
Thermal Design Power 65 Watt