Core i7-975 vs Core i7-965

Core i7-975
Core i7-965
4 Cores
8 Threads
3.33GHz Clock
4 Cores
8 Threads
3.2GHz Clock
Socket
LGA 1366
Socket
LGA 1366
iGPU
No GPU
iGPU
No GPU
GB6S 540
14%
GB6S 490
13%
GB6M 1,905
8%
GB6M 1,695
7%
CB23S - N/A
0%
CB23S - N/A
0%
CB23M - N/A
0%
CB23M - N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Nehalem
Architecture
Nehalem
Family
Core 1st Gen
Family
Core 1st Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Bloomfield
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-
-
-
-
-
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-
Codename
Bloomfield
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-
-
-
-
-
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-
Market Segment
Workstation
Market Segment
Workstation
Release Date
6/1/2009
Release Date
11/1/2008
Foundry
Intel
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-
-
Foundry
Intel
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-
-
Node
45nm
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-
-
Node
45nm
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-
-
Die Size
263 mm²
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-
-
Die Size
263 mm²
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-
-
Transistor Count
731 Million
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-
-
Transistor Count
731 Million
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-
-
4 Cores
-
-
-
4 Cores
-
-
-
8 Threads
-
-
-
8 Threads
-
-
-
-
3.33GHz
3.6GHz Boost
25x Multiplier
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3.2GHz
3.5GHz Boost
24x Multiplier
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-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
Voltage
0.8V Min
1.38V Max
Overclocking
Locked
Voltage
0.8V Min
1.38V Max
Type
QPI
Type
QPI
Clock
3200MHz
Clock
3200MHz
Data Rate
Double
Data Rate
Double
Transfer Rate
6.4GT/s
Transfer Rate
6.4GT/s
Width
16Bit
Width
16Bit
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-
-
-
Bandwidth
12.8GB/s
Bandwidth
12.8GB/s
Bi-directional
25.6GB/s
Bi-directional
25.6GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
4-way set associative
-
-
-
-
L1 Instruction
32KB/Core
4-way set associative
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-
-
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L1 Data
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
256KB/Core
8-way set associative
-
-
-
-
-
-
-
-
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-
L2
256KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
8MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
8MB Shared
-
16-way set associative
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-
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Channels
3
Channels
3
Max Memory
24GB
Max Memory
24GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
192Bit
Bus Width/Channel
64Bit
Bus Width
192Bit
Clock
533MHz
Transfer Rate
1066MT/s
Clock
533MHz
Transfer Rate
1066MT/s
Bandwidth/Channel
8.5GB/s
Bandwidth
25.6GB/s
Bandwidth/Channel
8.5GB/s
Bandwidth
25.6GB/s
TDP
130W
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-
-
TDP
130W
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-
-
Temp
-
68°C TCase
Temp
-
68°C TCase
Included Cooler
Stock Cooler 1366
Included Cooler
Stock Cooler 1366
No PCIe
No PCIe
No GPU
-
-
No GPU
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-
No NPU
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No NPU
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-
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-
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No Cellular
No Cellular
Change Results