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Intel Pentium G640

Front view of Intel Pentium G640
Front view of Intel Core i3 3220

Intel Core i3 3220

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Differences What are the advantages of each

Front view of Intel Pentium G640

Reasons to consider the
Intel Pentium G640

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Much better turbo clock speed 1,100 MHz vs 1,050 MHz Around 5% better turbo clock speed
Much higher Maximum operating temperature 69.1 °C vs 65.3 °C More than 5% higher Maximum operating temperature
Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Much higher clock speed 3.3 GHz vs 2.8 GHz Around 20% higher clock speed
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 3.43 GHz vs 2.9 GHz Around 20% better overclocked clock speed (Air)
More number of displays supported 3 vs 2 1 more number of displays supported
Much better overclocked clock speed (Water) 3.46 GHz vs 2.8 GHz Around 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G640 vs Core i3 3220

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Pentium G640
3,372
Core i3 3220
5,399

GeekBench 3 (Single core) Data courtesy Primate Labs

Pentium G640
1,860
Core i3 3220
2,501

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G640
137,650 MB/s
Core i3 3220
173,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Pentium G640
3,343
Core i3 3220
5,351

GeekBench

Pentium G640
3,343
Core i3 3220
8,919

PassMark Data courtesy Passmark

Pentium G640
2,523
Core i3 3220
4,229

PassMark (Single Core)

Pentium G640
1,435
Core i3 3220
1,764

Specifications Full list of technical specs

summary

 Pentium G640  vs
Core i3 3220 
Clock speed 2.8 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
LGA 1155

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 2500
Number of displays supported 2 3
GPU clock speed 850 MHz 650 MHz
Turbo clock speed 1,100 MHz 1,050 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

 Pentium G640  vs
Core i3 3220 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 28 33
Operating temperature Unknown - 69.1°C Unknown - 65.3°C

overclocking
Overclock popularity 0 50
Overclocked clock speed 2.9 GHz 3.43 GHz
Overclocked clock speed (Water) 2.8 GHz 3.46 GHz
PassMark (Overclocked) 2,838.2 3,775.1
Overclocked clock speed (Air) 2.9 GHz 3.43 GHz

power consumption
TDP 65W 55W
Annual home energy cost 15.66 $/year 13.25 $/year
Annual commercial energy cost 56.94 $/year 48.18 $/year
Performance per watt 2.25 pt/W 2.69 pt/W
Typical power consumption 52.81W 44.69W

bus
Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Pentium G640
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Intel Core i3 3220
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