Intel Pentium G645 

Released September, 2012
  • 2.9 GHz
  • Dual core

Benchmarks Real world tests of the Intel Pentium G645

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Pentium G645
3,656
Core i3 3220
5,399

GeekBench 3 (Single core) Data courtesy Primate Labs

Pentium G645
2,017
Core i3 3220
2,501

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G645
143,500 MB/s
Core i3 3220
173,000 MB/s
Pentium G2020
151,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Pentium G645
3,567
Core i3 3220
5,351

GeekBench (64-bit) Data courtesy Primate Labs

Pentium G645
3,867
Core i3 3220
5,707

GeekBench

Pentium G645
4,452
Core i3 3220
8,919

PassMark Data courtesy Passmark

Pentium G645
2,608
Core i3 3220
4,229

PassMark (Single Core)

Pentium G645
1,478
Core i3 3220
1,764

Specifications Full list of technical specs

summary

Clock speed 2.9 GHz
Cores Dual core
Socket type LGA 1155

features

Has a NX bit Yes
Supports trusted computing No
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

integrated graphics

GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 850 MHz
Turbo clock speed 1,100 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1066
  2. DDR3
Channels Dual Channel
Maximum bandwidth 17,066.66 MB/s
Maximum memory size 32,768 MB

details

Architecture x86-64
Threads 2 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
L3 cache 3 MB
L3 cache per core 1.5 MB/core
Manufacture process 32 nm
Max CPUs 1
Clock multiplier 29
Operating temperature Unknown - 69.1°C

overclocking

Overclock popularity 0
Overclocked clock speed 3.02 GHz
Overclocked clock speed (Water) 2.9 GHz
PassMark (Overclocked) 2,170.6
Overclocked clock speed (Air) 3.02 GHz

power consumption

TDP 65W
Annual home energy cost 15.66 $/year
Annual commercial energy cost 56.94 $/year
Performance per watt 2.72 pt/W
Typical power consumption 52.81W

bus

Architecture DMI
Transfer rate 5,000 MT/s
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