Core i7-3930K vs Core i7-3820

Core i7-3930K
Core i7-3820
6 Cores
12 Threads
3.2GHz Clock
4 Cores
8 Threads
3.6GHz Clock
Socket
LGA 2011
Socket
LGA 2011
iGPU
No GPU
iGPU
No GPU
GB6S 670
18%
GB6S 665
18%
GB6M 2,980
12%
GB6M 2,295
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
Sandy Bridge
Family
Core 3rd Gen
Family
Core 3rd Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Sandy Bridge-E
Sandy Bridge-EP-8
Sandy Bridge-EP-8C
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-
-
-
-
-
Codename
Sandy Bridge-E
Sandy Bridge-EP-4
Sandy Bridge-EP-4C
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-
-
-
-
-
Market Segment
Workstation
Market Segment
Workstation
Release Date
11/1/2011
Release Date
2/1/2012
Foundry
Intel
-
-
-
Foundry
Intel
-
-
-
Node
32nm
-
-
-
Node
32nm
-
-
-
Die Size
435 mm²
-
-
-
Die Size
294 mm²
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-
-
Transistor Count
2.3 Billion
-
-
-
Transistor Count
1.3 Billion
-
-
-
6 Cores
-
-
-
4 Cores
-
-
-
12 Threads
-
-
-
8 Threads
-
-
-
-
3.2GHz
3.8GHz Boost
-
-
3.6GHz
3.8GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
DMI
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-
-
-
-
-
-
-
Transfer Rate
5GT/s
Transfer Rate
5GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
2.5GB/s
Bandwidth
2.5GB/s
Bi-directional
5GB/s
Bi-directional
5GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
256KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
256KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
12MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
10MB Shared
-
20-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
4
Channels
4
Max Memory
64GB
Max Memory
64GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
256Bit
Bus Width/Channel
64Bit
Bus Width
256Bit
Clock
800MHz
Transfer Rate
1600MT/s
Clock
800MHz
Transfer Rate
1600MT/s
Bandwidth/Channel
12.8GB/s
Bandwidth
51.2GB/s
Bandwidth/Channel
12.8GB/s
Bandwidth
51.2GB/s
TDP
130W
-
-
-
TDP
130W
-
-
-
Temp
-
67°C TCase
Temp
-
67°C TCase
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x40 Lanes
PCIe 2.0 x40 Lanes
No GPU
-
-
No GPU
-
-
No NPU
-
No NPU
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-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results