Intel Core i7-2640M vs Intel Core i7-3612QM

Intel Core i7-2640M
Intel Core i7-3612QM
2 Cores
4 Threads
2.8GHz Clock
4 Cores
8 Threads
2.1GHz Clock
Socket
BGA 1023
Socket
BGA 1224
iGPU
HD 3000 1300MHz
250 GFLOPS FP32
iGPU
HD 4000 1100MHz
280 GFLOPS FP32
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
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-H-2
Sandy Bridge-2C-GT2
-
-
-
-
-
-
Codename
Ivy Bridge
Ivy Bridge-HE-4
Ivy Bridge-4C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
9/1/2011
Release Date
4/1/2012
Foundry
Intel
-
-
-
Foundry
Intel
-
-
-
Node
32nm
-
-
-
Node
22nm
-
-
-
Die Size
149 mm²
-
-
-
Die Size
160 mm²
-
-
-
Transistor Count
624 Million
-
-
-
Transistor Count
1.4 Billion
-
-
-
2 Cores
-
-
-
4 Cores
-
-
-
4 Threads
-
-
-
8 Threads
-
-
-
-
2.8GHz
3.5GHz Boost
-
-
2.1GHz
3.1GHz 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
-
4MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
6MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
16GB
Max Memory
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
Transfer Rate
1600MT/s
Bandwidth/Channel
10.7GB/s
Bandwidth
21.3GB/s
Bandwidth/Channel
12.8GB/s
Bandwidth
25.6GB/s
TDP
35W
-
-
-
TDP
35W
-
-
-
Temp
100°C Max
-
Temp
105°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x16 Lanes
PCIe 3.0 x16 Lanes
HD 3000 1300MHz
96 Shaders
1300MHz
250 GFLOPS FP32
HD 4000 1100MHz
128 Shaders
1100MHz
280 GFLOPS FP32
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison