AMD Phenom II X4 820 

Released August, 2009
  • 2.8 GHz
  • Quad core

Benchmarks Real world tests of the AMD Phenom II X4 820

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Phenom II X4 820
5,101

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II X4 820
1,463

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X4 820
112,900 MB/s
Core2 Quad Q6600
102,800 MB/s
Core2 Quad Q9300
107,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Phenom II X4 820
4,969

GeekBench (64-bit) Data courtesy Primate Labs

Phenom II X4 820
6,338

GeekBench

Phenom II X4 820
6,338

PassMark Data courtesy Passmark

Phenom II X4 820
3,427

PassMark (Single Core)

Phenom II X4 820
979

Reviews Word on the street for the AMD Phenom II X4 820

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Cores Quad core
Socket type AM3
Is unlocked No

features

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

integrated graphics

GPU None

details

Architecture x86-64
Threads 4 threads
L2 cache 2 MB
L2 cache per core 0.5 MB/core
L3 cache 4 MB
L3 cache per core 1 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 0.9 - 1.43V
Operating temperature Unknown - 71°C

overclocking

Overclock popularity 12
Overclock review score 4.5
Overclocked clock speed 3.16 GHz
Overclocked clock speed (Water) 2.8 GHz
Overclocked clock speed (Air) 3.16 GHz

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Performance per watt 1.47 pt/W
Typical power consumption 77.19W

bus

Clock speed 2,000 MHz
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