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Intel Core i7 3770

CPUBoss Winner
Front view of Intel Core i7 3770

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 2.3 GHz Around 50% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.2 GHz More than 20% higher turbo 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
Significantly lower typical power consumption 62.56W vs 93.44W Around 35% lower typical power consumption
Much better PassMark (Single core) score 2,072 vs 1,031 More than 2x better PassMark (Single core) score
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Higher Maximum operating temperature 67.4 °C vs 55 °C Around 25% higher Maximum operating temperature
Better performance per watt 7.25 pt/W vs 6.03 pt/W More than 20% better performance per watt
Much better overclocked clock speed (Water) 4.32 GHz vs 2.6 GHz More than 65% better overclocked clock speed (Water)
Better overclocked clock speed (Air) 4.03 GHz vs 3.72 GHz Around 10% better overclocked clock speed (Air)
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
Newer Apr, 2012 vs Nov, 2011 Release date 5 months later
Front view of AMD Opteron 6276

Reasons to consider the
AMD Opteron 6276

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Much more l2 cache 16 MB vs 1 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 16 vs 4 12 more cores; run more applications at once
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 threads 16 vs 8 Twice as many threads

Benchmarks Real world tests of Core i7 3770 vs Opteron 6276

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 3770
12,524
Opteron 6276
22,325

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3770
2,660,000 MB/s
Opteron 6276
1,320,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3770  vs
Opteron 6276 
Clock speed 3.4 GHz 2.3 GHz
Turbo clock speed 3.9 GHz 3.2 GHz
Cores Quad core 16 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
Performance per watt 7.25 pt/W 6.03 pt/W
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 6276 
Threads 8 16
L2 cache 1 MB 16 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 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 4
Clock multiplier 34 16
Operating temperature Unknown - 67.4°C Unknown - 55°C

overclocking

Overclock popularity 8 1
Overclocked clock speed 4.03 GHz 3.72 GHz
Overclocked clock speed (Water) 4.32 GHz 2.6 GHz
Overclocked clock speed (Air) 4.03 GHz 3.72 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 6276
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