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General information

Type CPU / Microprocessor

Market segment Desktop

Family AMD A4-Series

Model number ?  A4-4000

CPU part numbers 

AD4000OKA23HL is an OEM/tray microprocessor

AD4000OKHLBOX is a boxed microprocessor with fan and heatsink

Frequency ?  3000 MHz

Maximum turbo frequency 3200 MHz

Package 904-pin organic lidded micro Pin Grid Array (UOF904)

Socket Socket FM2

Size 1.57" x 1.57" / 4cm x 4cm

Weight 1.4oz / 39g

Introduction date May 13, 2013

Price at introduction $40

Architecture / Microarchitecture

Microarchitecture Piledriver

Processor core ?  Richland

Core stepping ?  RL-A1

CPUID 610F31

Manufacturing process 0.032 micron

Data width 64 bit

The number of CPU cores 2

The number of threads 2

Floating Point Unit Integrated (shared between two cores in each module)

Level 1 cache size ?  64 KB 2-way set associative shared instruction cache

2 x 16 KB 4-way set associative data caches

Level 2 cache size ?  1 MB 16-way set associative shared exclusive cache

Level 3 cache size None

Cache latency 3 (L1 cache)

Multiprocessing Uniprocessor


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 

Core C1, C1E, C6 and CC6 states

Package S3, S4 and S5 states


Integrated peripherals / components

Integrated graphics GPU Type: Radeon HD 7480D

Base frequency (MHz): 724

Memory controller The number of controllers: 1

Memory channels: 2

Supported memory: DDR3-1333

Maximum memory bandwidth (GB/s): 21.3

Other peripherals 

PCI Express 2.0

Unified Video Decoder 3.2 ?

Electrical / Thermal parameters

Maximum operating temperature ?  70°C

Thermal Design Power ?  65 Watt


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