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Differences What are the advantages of each

Front view of Intel Core i7 980

Reasons to consider the
Intel Core i7 980

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CPUBoss is not aware of any important advantages of the 980 vs the 950.

Front view of Intel Core i7 950

Reasons to consider the
Intel Core i7 950

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CPUBoss is not aware of any important advantages of the 950 vs the 980.

Benchmarks Real world tests of Core i7 980 vs 950

3D Mark 11 (Physics)

Core i7 980
4,650
Core i7 950
6,360

3D Mark 06 (CPU)

Core i7 980
5,650
Core i7 950
5,143

PassMark Data courtesy Passmark

Core i7 980
8,791
Core i7 950
5,595

PassMark (Single Core)

Core i7 980
1,451
Core i7 950
1,324

Specifications Full list of technical specs

summary

Core i7 980  vs
950 
Clock speed 3.33 GHz 3.06 GHz
Turbo clock speed 3.6 GHz 3.33 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 130W
Annual home energy cost 31.32 $/year 31.32 $/year
Annual commercial energy cost 113.88 $/year 113.88 $/year
Performance per watt 2.01 pt/W 1.55 pt/W
Typical power consumption 105.63W 105.63W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Triple Channel
Supports ECC Yes No
Maximum bandwidth 25,599.99 MB/s 25,599.99 MB/s
Maximum memory size 24,576 MB 24,576 MB

details

Core i7 980  vs
950 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 45 nm
Transistor count 1,170,000,000 731,000,000
Max CPUs 1 1
Clock multiplier 25 23
Voltage range 0.8 - 1.3V 0.8 - 1.38V
Operating temperature Unknown - 68.8°C Unknown - 67.9°C

overclocking

Overclocked clock speed 4.68 GHz 4.25 GHz
Overclocked clock speed (Water) 4.5 GHz 4.2 GHz
Overclocked clock speed (Air) 4.68 GHz 4.25 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture QPI QPI
Number of links 1 1
Data rate 19,200 MB/s 19,200 MB/s
Transfer rate 4,800 MT/s 4,800 MT/s
Clock speed 2,400 MHz 2,400 MHz
Intel Core i7 980
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Intel Core i7 950
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