Core i7-3820 vs Core i7-980

Core i7-3820
Core i7-980
4 Cores
8 Threads
3.6GHz Clock
6 Cores
12 Threads
3.33GHz Clock
Socket
LGA 2011
Socket
LGA 1366
iGPU
No GPU
iGPU
No GPU
GB6S 665
18%
GB6S 520
14%
GB6M 2,295
10%
GB6M 2,435
10%
CB23S - N/A
0%
CB23S - N/A
0%
CB23M - N/A
0%
CB23M - N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Sandy Bridge
Architecture
Westmere
Family
Core 3rd Gen
Family
Core 1st Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Sandy Bridge-E
Sandy Bridge-EP-4
Sandy Bridge-EP-4C
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Codename
Gulftown
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-
Market Segment
Workstation
Market Segment
Workstation
Release Date
2/1/2012
Release Date
6/1/2011
Foundry
Intel
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-
Foundry
Intel
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Node
32nm
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Node
32nm
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-
Die Size
294 mm²
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Die Size
240 mm²
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Transistor Count
1.3 Billion
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Transistor Count
1.2 Billion
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4 Cores
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6 Cores
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8 Threads
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12 Threads
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-
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3.6GHz
3.8GHz Boost
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3.33GHz
3.6GHz Boost
25x Multiplier
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Overclocking
Locked
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-
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Overclocking
Locked
Voltage
0.8V Min
1.3V Max
Type
DMI
Type
QPI
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-
Clock
2400MHz
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-
Data Rate
Double
Transfer Rate
5GT/s
Transfer Rate
4.8GT/s
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-
Width
16Bit
Lanes
4
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-
Bandwidth
2.5GB/s
Bandwidth
9.6GB/s
Bi-directional
5GB/s
Bi-directional
19.2GB/s
L0 Instruction
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-
L0 Instruction
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L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
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-
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L1 Instruction
32KB/Core
4-way set associative
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L1 Data
32KB/Core
8-way set associative
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L1 Data
32KB/Core
8-way set associative
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-
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L2
256KB/Core
8-way set associative
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-
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L2
256KB/Core
8-way set associative
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-
-
-
-
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L3
-
10MB Shared
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20-way set associative
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-
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L3
-
12MB Shared
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16-way set associative
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Channels
4
Channels
3
Max Memory
64GB
Max Memory
24GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
256Bit
Bus Width/Channel
64Bit
Bus Width
192Bit
Clock
800MHz
Transfer Rate
1600MT/s
Clock
533MHz
Transfer Rate
1066MT/s
Bandwidth/Channel
12.8GB/s
Bandwidth
51.2GB/s
Bandwidth/Channel
8.5GB/s
Bandwidth
25.6GB/s
TDP
130W
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TDP
130W
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Temp
-
67°C TCase
Temp
-
69°C TCase
Included Cooler
Not Included
Included Cooler
Stock Cooler 1366
PCIe 2.0 x40 Lanes
No PCIe
No GPU
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-
No GPU
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No NPU
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No NPU
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No Cellular
No Cellular
Change Results