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
Core i5 3470
9,436
FX 6300
7,871

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II X4 820
1,463
Core i5 3470
2,983
FX 6300
2,053

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X4 820
112,900 MB/s
Core i5 3470
2,470,000 MB/s
FX 6300
2,290,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Phenom II X4 820
4,969
Core i5 3470
9,226
FX 6300
7,447

GeekBench (64-bit) Data courtesy Primate Labs

Phenom II X4 820
6,338
Core i5 3470
10,031
FX 6300
8,232

GeekBench

Phenom II X4 820
6,338
Core i5 3470
12,141
FX 6300
9,503

PassMark Data courtesy Passmark

Phenom II X4 820
3,427
Core i5 3470
6,607
FX 6300
6,444

PassMark (Single Core)

Phenom II X4 820
979
Core i5 3470
1,906
FX 6300
1,446

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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