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Differences What are the advantages of each

Front view of Intel Pentium G6950

Reasons to consider the
Intel Pentium G6950

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 4.41 GHz vs 4.22 GHz Around 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.78 GHz vs 4.23 GHz Around 15% better overclocked clock speed (Water)
Newer Jan, 2010 vs Jan, 2008 Release date over 2 years later
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better performance per watt 1.83 pt/W vs 1.06 pt/W Around 75% better performance per watt
Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
Much lower typical power consumption 52.81W vs 89.58W More than 40% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much lower annual home energy cost 15.66 $/year vs 35.11 $/year 2.2x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 84.36 $/year Around 35% lower annual commercial energy cost

Benchmarks Real world tests of Pentium G6950 vs Core2 Duo E8400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G6950
118,700 MB/s
Core2 Duo E8400
128,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G6950  vs
Core2 Duo E8400 
Clock speed 2.8 GHz 3 GHz
Cores Dual core Dual core
Socket type
LGA 1156
LGA 775

features

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

power consumption

TDP 73W 65W
Annual home energy cost 35.11 $/year 15.66 $/year
Annual commercial energy cost 84.36 $/year 56.94 $/year
Performance per watt 1.06 pt/W 1.83 pt/W
Typical power consumption 89.58W 52.81W

details

Pentium G6950  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 6 MB
L2 cache per core 0.5 MB/core 3 MB/core
Manufacture process 32 nm 45 nm
Transistor count 382,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 21 9
Voltage range 0.65 - 1.4V 0.85 - 1.36V
Operating temperature Unknown - 72.6°C Unknown - 72.4°C

overclocking

Overclocked clock speed 4.41 GHz 4.22 GHz
Overclocked clock speed (Water) 4.78 GHz 4.23 GHz
Overclocked clock speed (Air) 4.41 GHz 4.22 GHz

integrated graphics

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

bus

Architecture DMI FSB
Number of links 1 1
Intel Pentium G6950
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Intel Core2 Duo E8400
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