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Differences What are the advantages of each

Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.4 GHz vs 3 GHz Around 15% higher clock speed
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher turbo clock speed 3.9 GHz vs 3.6 GHz Around 10% higher turbo clock speed
Significantly lower typical power consumption 62.56W vs 93.44W Around 35% lower typical power consumption
Significantly lower annual home energy cost 18.55 $/year vs 27.7 $/year Around 35% lower annual home energy cost
Significantly lower annual commercial energy cost 67.45 $/year vs 100.74 $/year Around 35% lower annual commercial energy cost
Significantly better overclocked clock speed (Water) 4.32 GHz vs 3 GHz Around 45% better overclocked clock speed (Water)
Newer Apr, 2012 vs Nov, 2011 Release date 5 months later
Front view of AMD Opteron 6220

Reasons to consider the
AMD Opteron 6220

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l3 cache 16 MB vs 8 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
More cores 8 vs 4 Twice as many cores; run more applications at once
Higher Maximum operating temperature 71.7 °C vs 67.4 °C More than 5% higher Maximum operating temperature

Features Key features of the Core i7 3770  vs Opteron 6220 

clock speed

Core i7 3770
3.4 GHz
Opteron 6220
3 GHz

turbo clock speed

Core i7 3770
3.9 GHz
Opteron 6220
3.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 3770
4.03 GHz
Opteron 6220
3.96 GHz

overclocked clock speed (water)

Core i7 3770
4.32 GHz
Opteron 6220
3 GHz

Specifications Full list of technical specs

summary

Core i7 3770  vs
Opteron 6220 
Clock speed 3.4 GHz 3 GHz
Turbo clock speed 3.9 GHz 3.6 GHz
Cores Quad core Octa core
Socket type
LGA 1155
G34
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES

power consumption

TDP 77W 115W
Annual home energy cost 18.55 $/year 27.7 $/year
Annual commercial energy cost 67.45 $/year 100.74 $/year
Typical power consumption 62.56W 93.44W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3

details

Core i7 3770  vs
Opteron 6220 
Threads 8 8
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 16 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 4
Clock multiplier 34 18
Operating temperature Unknown - 67.4°C Unknown - 71.7°C

overclocking

Overclock popularity 8 0
Overclocked clock speed 4.03 GHz 3.96 GHz
Overclocked clock speed (Water) 4.32 GHz 3 GHz
Overclocked clock speed (Air) 4.03 GHz 3.96 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Latest DirectX 11.x N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,150 MHz N/A
3DMark06 5,339.9 N/A

bus

Architecture DMI HyperTransport 3.0
Number of links 1 4
Transfer rate 5,000 MT/s 6,400 MT/s
Intel Core i7 3770
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AMD Opteron 6220
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