AMD Athlon II X2 255

   [Go Back]
Overview
Manufacturer AMD
Market Desktop
Family Model Athlon II X2 255
Codename Regor
Release Date Released January, 2010
Production Status End-of-life
Is Older older
Key Specs 3.1 GHz Dual core
Score 5.1
Summary
Clock speed 3.1 GHz
Cores Dual-core
Voltage 1.15 V
Multiplier 15.5x
Base Clock 200 MHz
Socket type AM3
Is unlocked No
Physical
Process Size 45 nm
Transistors 410 million
Die Size 117 mm²
Package uPGA
Features
Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions MMX SSE SSE2 3DNow! SSE4a SSE3
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
Bus
Clock speed 2,000 MHz
Details
Architecture x86-64
Threads 2 threads
L2 cache 2 MB
L2 cache per core 1 MB/core
L3 cache 1 MB
L3 cache per core 0.5 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 0.85 - 1.4V
Operating temperature Unknown - 74°C
Overclocking
Overclocked clock speed 3.8 GHz
Overclocked clock speed (Water) 3.93 GHz
PassMark (Overclocked) 1,567.5
Overclocked clock speed (Air) 3.8 GHz
Power Consumption
TDP 65W
Annual home energy cost 42.79 $/year
Annual commercial energy cost 113.7 $/year
Performance per watt 0.8 pt/W
Idle power consumption 76.3W
Peak power consumption 129.8W
Typical power consumption 116.43W
Benchmarks
GeekBench 3 (Multi-core) 2,958
GeekBench 3 (Single core) 1,578
GeekBench 3 (AES single core) 125,000 MB/s
GeekBench (32-bit) 2,803
GeekBench (64-bit) 4,959
GeekBench 4,959
PassMark 1,842
PassMark (Single Core) 1,045
Scores
Performance 5.1
Single-core Performance 4.8
Integrated Graphics 0.0
Integrated Graphics (OpenCL) 0.0
Performance per Watt 4.8
Value 5.8
CPUPK Score 5.1
[Go Back]