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

 

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