Intel Pentium D 820 

Released April, 2005
  • 2.8 GHz
  • Dual core

Benchmarks Real world tests of the Intel Pentium D 820

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Pentium D 820
1,378

GeekBench 3 (Single core) Data courtesy Primate Labs

Pentium D 820
788

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium D 820
100,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Pentium D 820
1,268

GeekBench (64-bit) Data courtesy Primate Labs

Pentium D 820
1,577

GeekBench

Pentium D 820
2,414

Reviews Word on the street for the Intel Pentium D 820

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Cores Dual core
Socket type LGA 775

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support No
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE3
Supports dynamic frequency scaling No

integrated graphics

GPU None

bus

Architecture FSB
Clock speed 800 MHz

details

Architecture x86-64
Threads 2 threads
L2 cache 2 MB
L2 cache per core 1 MB/core
Manufacture process 90 nm
Transistor count 230,000,000
Max CPUs 1
Clock multiplier 14
Voltage range 1.2 - 1.4V
Operating temperature Unknown - 64.1°C

overclocking

Overclock popularity 11
Overclocked clock speed 3.52 GHz
Overclocked clock speed (Water) 4.25 GHz
PassMark (Overclocked) 908.7
Overclocked clock speed (Air) 3.52 GHz

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Performance per watt 0.94 pt/W
Typical power consumption 77.19W

memory controller

Memory controller Built-in
Supports ECC No
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