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Intel Pentium G640

CPUBoss Winner
Front view of Intel Pentium G640

Differences What are the advantages of each

Front view of Intel Pentium G640

Reasons to consider the
Intel Pentium G640

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Significantly higher clock speed 2.8 GHz vs 2 GHz Around 40% higher clock speed
Much better turbo clock speed 1,100 MHz vs 497 MHz Around 2.2x better turbo clock speed
Much higher GPU clock speed 850 MHz vs 360 MHz More than 2.2x higher GPU clock speed
Significantly better PassMark (Single core) score 1,435 vs 732 More than 95% better PassMark (Single core) score
Significantly better overclocked clock speed (Air) 2.9 GHz vs 1.6 GHz More than 80% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.8 GHz vs 1.6 GHz Around 75% better overclocked clock speed (Water)
Front view of AMD R R-460L

Reasons to consider the
AMD R R-460L

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 20.31W vs 52.81W 2.6x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 69.1 °C Around 45% higher Maximum operating temperature
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Better performance per watt 3.24 pt/W vs 2.25 pt/W Around 45% better performance per watt
Much lower annual home energy cost 6.02 $/year vs 15.66 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 56.94 $/year 2.6x lower annual commercial energy cost

Benchmarks Real world tests of Pentium G640 vs R R-460L

PassMark Data courtesy Passmark

Pentium G640
2,523
R R-460L
1,954

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G640  vs
R R-460L 
Clock speed 2.8 GHz 2 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 25W
Annual home energy cost 15.66 $/year 6.02 $/year
Annual commercial energy cost 56.94 $/year 21.9 $/year
Performance per watt 2.25 pt/W 3.24 pt/W
Typical power consumption 52.81W 20.31W

details

Pentium G640  vs
R R-460L 
Threads 2 4
L2 cache 1 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 28 10
Operating temperature Unknown - 69.1°C Unknown - 100°C

overclocking

Overclocked clock speed 2.9 GHz 1.6 GHz
Overclocked clock speed (Water) 2.8 GHz 1.6 GHz
Overclocked clock speed (Air) 2.9 GHz 1.6 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics AMD Radeon HD 7620G
GPU clock speed 850 MHz 360 MHz
Turbo clock speed 1,100 MHz 497 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 21,333.32 MB/s
Intel Pentium G640
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AMD R R-460L
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