Intel Core i7 820QM 

Released September, 2009
  • 1.73 GHz
  • Quad core

Benchmarks Real world tests of the Intel Core i7 820QM

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 820QM
4,596

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 820QM
1,747

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 820QM
120,500 MB/s
Core i3 2328M
108,750 MB/s
Core i3 3120M
131,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 820QM
4,445

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 820QM
6,244

GeekBench

Core i7 820QM
6,244

PassMark Data courtesy Passmark

Core i7 820QM
3,249

PassMark (Single Core)

Core i7 820QM
966

Specifications Full list of technical specs

summary

Clock speed 1.73 GHz
Turbo clock speed 3.06 GHz
Cores Quad core
Socket type rPGA 988A
Is unlocked No

features

Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE4.1
  5. SSE3
  6. Supplemental SSE3
  7. SSE4.2
  8. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 45W
Annual home energy cost 10.84 $/year
Performance per watt 3.14 pt/W
Typical power consumption 36.56W

bus

Architecture DMI
Transfer rate 2,500 MT/s

details

Architecture x86-64
Threads 8 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 8 MB
L3 cache per core 2 MB/core
Manufacture process 45 nm
Transistor count 774,000,000
Max CPUs 1
Clock multiplier 13

overclocking

Overclocked clock speed 2.71 GHz
Overclocked clock speed (Water) 1.73 GHz
Overclocked clock speed (Air) 2.71 GHz

integrated graphics

GPU None

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 8,192 MB
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