Intel Core i7-2675QM vs Intel Core i7-3820QM
Intel Core i7-2675QM
Intel Core i7-3820QM
|
4 Cores
8 Threads
2.2GHz Clock
|
4 Cores
8 Threads
2.7GHz Clock
|
|
Socket
BGA 1224
|
Socket
BGA 1224
|
|
iGPU
HD 3000 1200MHz
230 GFLOPS FP32
|
iGPU
HD 4000 1250MHz
320 GFLOPS FP32
|
GB6 Single-Core
|
|
Core i7-2675QM - GB6S 465
x1
Core i7-3820QM - GB6S 625
x1.34
GB6 Multi-Core
|
|
Core i7-2675QM - GB6M 1,430
x1
Core i7-3820QM - GB6M 2,145
x1.5
|
|
Core i7-2675QM - 21.3GB/s
x1
Core i7-3820QM - 25.6GB/s
x1.2
|
|
Core i7-2675QM - 45W
x1
Core i7-3820QM - 45W
x1
|
|
Core i7-2675QM - 230 GFLOPS FP32
x1
Core i7-3820QM - 320 GFLOPS FP32
x1.39
|
GB6S 465
11%
|
GB6S 625
15%
|
|
GB6M 1,430
5%
|
GB6M 2,145
8%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Sandy Bridge
|
Architecture
Ivy Bridge
|
|
Family
Core 2nd Gen
|
Family
Core 3rd Gen
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Sandy Bridge
Sandy Bridge-HE-4
Sandy Bridge-4C-GT2
|
Codename
Ivy Bridge
Ivy Bridge-HE-4
Ivy Bridge-4C-GT2
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
10/1/2011
|
Release Date
4/1/2012
|
|
Foundry
Intel
|
Foundry
Intel
|
|
Node
32nm
|
Node
22nm
|
|
Die Size
216 mm²
|
Die Size
160 mm²
|
|
Transistor Count
1.2 Billion
|
Transistor Count
1.4 Billion
|
|
4 Cores
|
4 Cores
|
|
8 Threads
|
8 Threads
|
|
2.2GHz
3.1GHz Boost
|
2.7GHz
3.7GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Locked
|
|
Type
DMI
|
Type
DMI
|
|
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
6MB Shared
12-way set associative
|
L3
8MB Shared
16-way set associative
|
|
Channels
2
|
Channels
2
|
|
Max Memory
16GB
|
Max Memory
32GB
32GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
667MHz
Transfer Rate
1333MT/s
|
Clock
800MHz
800MHz
Transfer Rate
1600MT/s
1600MT/s
|
|
Bandwidth/Channel
10.7GB/s
Bandwidth
21.3GB/s
|
Bandwidth/Channel
12.8GB/s
12.8GB/s
Bandwidth
25.6GB/s
25.6GB/s
|
|
TDP
45W
|
TDP
45W
|
|
Temp
100°C Max
|
Temp
105°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 2.0 x16 Lanes
|
PCIe 3.0 x16 Lanes
|
|
HD 3000 1200MHz
96 Shaders
1200MHz
230 GFLOPS FP32
|
HD 4000 1250MHz
128 Shaders
1250MHz
320 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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