AMD A8 3870K

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Overview
Manufacturer AMD
Family Model A8 3870K
Release Date Released December, 2011
Is Older older
Key Specs 3 GHz Quad core Unlocked
Score 7.8
Summary
Clock speed 3 GHz
Cores Quad core
Socket type FM1
Is unlocked Yes
Features
Has a NX bit Yes
Supports trusted computing 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 GPU
Label Radeon™ HD 6550D
Latest DirectX 11.0
Number of displays supported 2
GPU clock speed 600 MHz
Turbo clock speed 600 MHz
Bus
Architecture FSB
Data rate 3,200 MB/s
Transfer rate 3,200 MT/s
Clock speed 100 MHz
Details
Architecture x86-64
Threads 4 threads
L2 cache 4 MB
L2 cache per core 1 MB/core
Manufacture process 32 nm
Transistor count 1,178,000,000
Max CPUs 1
Die size 228 mm²
Clock multiplier 30
Voltage range 0.45 - 1.41V
Operating temperature Unknown - 72.7°C
Overclocking
Overclock popularity 32
Overclock review score 5
Overclocked clock speed 3.54 GHz
Overclocked clock speed (Water) 3.8 GHz
PassMark (Overclocked) 2,107.6
Overclocked clock speed (Air) 3.54 GHz
Power Consumption
TDP 100W
Annual home energy cost 40.03 $/year
Annual commercial energy cost 138.41 $/year
Performance per watt 1.04 pt/W
Idle power consumption 47W
Peak power consumption 158W
Typical power consumption None
Memory Controller
Memory controller Built-in
Memory type DDR3-1866 DDR3-1600 DDR3-1333
Channels Dual Channel
Supports ECC No
Maximum bandwidth 29,866.66 MB/s
Maximum memory size 32,768 MB
Benchmarks
CompuBench 1.5 (Bitcoin mining) 46.8 mHash/s
CompuBench 1.5 (T-Rex) 0.62 fps
PCMark 8 Home 3.0 Accelerated 2,346
Sky Diver 2,532
Cloud Gate 4,726
GeekBench 3 (Multi-core) 5,602
GeekBench 3 (Single core) 1,597
GeekBench 3 (AES single core) 126,200 MB/s
Scores
Performance 4.8
Single-core Performance 3.7
Integrated Graphics 7.3
Integrated Graphics (OpenCL) 6.8
Performance per Watt 7.4
Value n.d.
CPUPK Score 7.8
Photo
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