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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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Significantly higher clock speed 3.4 GHz vs 2.5 GHz More than 35% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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 3.5 GHz More than 10% higher turbo clock speed
More l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Air) 4.03 GHz vs 2.5 GHz More than 60% better overclocked clock speed (Air)
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 4.32 GHz vs 2.5 GHz Around 75% better overclocked clock speed (Water)
Front view of AMD Opteron 3250 HE

Reasons to consider the
AMD Opteron 3250 HE

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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
Significantly lower typical power consumption 36.56W vs 62.56W More than 40% lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly lower annual home energy cost 10.84 $/year vs 18.55 $/year More than 40% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 67.45 $/year More than 40% lower annual commercial energy cost

Features Key features of the Core i7 3770  vs Opteron 3250 HE 

clock speed

Core i7 3770
3.4 GHz
Opteron 3250 HE
2.5 GHz

turbo clock speed

Core i7 3770
3.9 GHz
Opteron 3250 HE
3.5 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 3770
4.03 GHz
Opteron 3250 HE
2.5 GHz

overclocked clock speed (water)

Core i7 3770
4.32 GHz
Opteron 3250 HE
2.5 GHz

Specifications Full list of technical specs

summary

Core i7 3770  vs
Opteron 3250 HE 
Clock speed 3.4 GHz 2.5 GHz
Turbo clock speed 3.9 GHz 3.5 GHz
Cores Quad core Quad core
Socket type
LGA 1155
AM3+
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 45W
Annual home energy cost 18.55 $/year 10.84 $/year
Annual commercial energy cost 67.45 $/year 39.42 $/year
Typical power consumption 62.56W 36.56W

bus

Architecture DMI HyperTransport 3.0

details

Core i7 3770  vs
Opteron 3250 HE 
Threads 8 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 34 12

overclocking

Overclocked clock speed 4.03 GHz 2.5 GHz
Overclocked clock speed (Water) 4.32 GHz 2.5 GHz
Overclocked clock speed (Air) 4.03 GHz 2.5 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Intel Core i7 3770
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AMD Opteron 3250 HE
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