AMD Athlon II X4 638

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Overview
Manufacturer AMD
Market Desktop
Family Model Athlon II X4 638
Codename Llano
Release Date Released February, 2012
Production Status unknown
Is Older older
Key Specs 2.7 GHz Quad core
Score 4.8
Summary
Clock speed 2.7 GHz
Turbo clock speed 0 GHz
Cores Quad-core
Voltage 1.4125 V
Multiplier 27.0x
Base Clock 100 MHz
Socket type FM1
Is unlocked No
Physical
Process Size 32 nm
Transistors 1178 million
Package uPGA
Features
Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions 3DNow! AMD-V AMD64 MMX SSE SSE2 SSE3 SSE4a
Supports dynamic frequency scaling Yes
Integrated Graphics
GPU None
Label None
Latest DirectX None
Number of displays supported None
GPU clock speed None
Turbo clock speed None
3DMark06 None
Details
Architecture x86-64
Threads 4 threads
L2 cache 4 MB
L2 cache per core 1 MB/core
L3 cache 0 MB
L3 cache per core 0 MB/core
Manufacture process 32 nm
Transistor count 1,178,000,000
Max CPUs 1
Die size 228 mm²
Voltage range 0.91 - 1.41V
Operating temperature Unknown - 70.1°C
Overclocking
Overclocked clock speed 3.42 GHz
Overclocked clock speed (Water) 2.7 GHz
Overclocked clock speed (Air) 3.42 GHz
Power Consumption
TDP 65W
Annual home energy cost 15.66 $/year
Annual commercial energy cost 56.94 $/year
Performance per watt 1.86 pt/W
Typical power consumption 52.81W
Memory Controller
Memory controller Built-in
Memory type DDR3-1866
Benchmarks
PassMark 3,198
PassMark (Single Core) 924
Scores
Performance 5.9
Single-core Performance 4.0
Integrated Graphics 0.0
Integrated Graphics (OpenCL) 0.0
Performance per Watt 4.8
Value n.d.
CPUPK Score 4.8
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