AMD A8 3820 

Released December, 2011
  • 2.8 GHz
  • Quad core

Benchmarks Real world tests of the AMD A8 3820

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 3820
2,285
A4 3400
1,378
A10 7860K
n.d.

Sky Diver Data courtesy FutureMark

A8 3820
2,380
A4 3400
1,259
A10 7860K
n.d.

Cloud Gate Data courtesy FutureMark

A8 3820
4,204
A4 3400
2,594
A10 7860K
n.d.

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 3820
4,151
A4 3400
2,511
A10 7860K
5,054

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 3820
1,426
A10 7860K
1,765
A4 3400
1,367

GeekBench 3 (AES single core) Data courtesy Primate Labs

A8 3820
116.05 MB/s
A4 3400
112,400 MB/s
A10 7860K
155.3 MB/s

PassMark Data courtesy Passmark

A8 3820
3,152
A10 7860K
5,139
A4 3400
1,595

PassMark (Single Core)

A8 3820
874
A10 7860K
1,581
A4 3400
903

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Turbo clock speed 2.8 GHz
Cores Quad core
Is unlocked No

features

Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions
  1. 3DNow!
  2. AMD-V
  3. AMD64
  4. MMX
  5. SSE
  6. SSE2
  7. SSE3
  8. SSE4a
Supports dynamic frequency scaling Yes

integrated graphics

GPU GPU
Label Radeon™ HD 6550D
Latest DirectX 11.0
GPU clock speed 600 MHz

memory controller

Memory controller Built-in
Memory type DDR3-1866

details

Architecture x86-64
Threads 4 threads
L2 cache 4 MB
L2 cache per core 1 MB/core
L3 cache 1 MB
L3 cache per core 0.25 MB/core
Manufacture process 32 nm
Transistor count 1,178,000,000
Max CPUs 1
Die size 228 mm²
Voltage range 0.45 - 1.41V
Operating temperature Unknown - 70.5°C

overclocking

Overclocked clock speed 2.87 GHz
Overclocked clock speed (Water) 2.5 GHz
Overclocked clock speed (Air) 2.87 GHz

power consumption

TDP 65W
Annual home energy cost 15.66 $/year
Annual commercial energy cost 56.94 $/year
Performance per watt 1.91 pt/W
Typical power consumption 52.81W
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