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Differences What are the advantages of each

Front view of Intel Pentium G6951

Reasons to consider the
Intel Pentium G6951

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 59.31W vs 176.72W 3x lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.33 MB/core More than 50% more l2 cache per core
Much higher Maximum operating temperature 72.6 °C vs 66.8 °C Around 10% higher Maximum operating temperature
Much lower annual home energy cost 17.59 $/year vs 56.39 $/year 3.2x lower annual home energy cost
Much lower annual commercial energy cost 63.95 $/year vs 184.84 $/year 2.9x lower annual commercial energy cost
Front view of Intel Core i7 3960X

Reasons to consider the
Intel Core i7 3960X

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 3.3 GHz vs 2.8 GHz Around 20% higher clock speed
Much better overclocked clock speed (Air) 4.76 GHz vs 2.8 GHz More than 70% better overclocked clock speed (Air)
More cores 6 vs 2 Three times as many cores; run more applications at once
More threads 12 vs 2 10 more threads
Supports more RAM 65,536 MB vs 16,773.12 MB Supports around 4x more RAM
Much better overclocked clock speed (Water) 4.58 GHz vs 2.8 GHz Around 65% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G6951 vs Core i7 3960X

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G6951  vs
Core i7 3960X 
Clock speed 2.8 GHz 3.3 GHz
Cores Dual core Hexa core
Socket type
LGA 1156
LGA 2011

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 None
Label Integrated N/A
Number of displays supported 2 N/A
GPU clock speed 533 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Quad Channel
Maximum bandwidth 17,066.66 MB/s 51,200 MB/s
Maximum memory size 16,773.12 MB 65,536 MB

details

Pentium G6951  vs
Core i7 3960X 
Architecture x86-64 x86-64
Threads 2 12
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.33 MB/core
L3 cache 3 MB 15 MB
L3 cache per core 1.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Transistor count 382,000,000 2,270,000,000
Max CPUs 1 1
Clock multiplier 21 33
Voltage range 0.65 - 1.4V 0.6 - 1.35V
Operating temperature Unknown - 72.6°C Unknown - 66.8°C

overclocking

Overclocked clock speed 2.8 GHz 4.76 GHz
Overclocked clock speed (Water) 2.8 GHz 4.58 GHz
Overclocked clock speed (Air) 2.8 GHz 4.76 GHz

power consumption

TDP 73W 130W
Annual home energy cost 17.59 $/year 56.39 $/year
Annual commercial energy cost 63.95 $/year 184.84 $/year
Performance per watt 1.55 pt/W 5.04 pt/W
Typical power consumption 59.31W 176.72W

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s
Intel Pentium G6951
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Intel Core i7 3960X
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