Intel Core i7-3520M vs Intel Core i7-2640M
Intel Core i7-3520M
Intel Core i7-2640M
|
2 Cores
4 Threads
2.9GHz Clock
|
2 Cores
4 Threads
2.8GHz Clock
|
|
Socket
PGA 988
|
Socket
BGA 1023
|
|
iGPU
HD 4000 1250MHz
320 GFLOPS FP32
|
iGPU
HD 3000 1300MHz
250 GFLOPS FP32
|
GB6 Single-Core
|
|
Core i7-3520M - GB6S 575
x1.12
Core i7-2640M - GB6S 515
x1
GB6 Multi-Core
|
|
Core i7-3520M - GB6M 1,165
x1.15
Core i7-2640M - GB6M 1,015
x1
|
|
Core i7-3520M - 25.6GB/s
x1.2
Core i7-2640M - 21.3GB/s
x1
|
|
Core i7-3520M - 35W
x1
Core i7-2640M - 35W
x1
|
|
Core i7-3520M - 320 GFLOPS FP32
x1.28
Core i7-2640M - 250 GFLOPS FP32
x1
|
GB6S 575
14%
|
GB6S 515
13%
|
|
GB6M 1,165
4%
|
GB6M 1,015
4%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Ivy Bridge
|
Architecture
Sandy Bridge
|
|
Family
Core 3rd Gen
|
Family
Core 2nd Gen
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Ivy Bridge
Ivy Bridge-H-2
Ivy Bridge-2C-GT2
|
Codename
Sandy Bridge
Sandy Bridge-H-2
Sandy Bridge-2C-GT2
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
6/1/2012
|
Release Date
9/1/2011
|
|
Foundry
Intel
|
Foundry
Intel
|
|
Node
22nm
|
Node
32nm
|
|
Die Size
118 mm²
|
Die Size
149 mm²
|
|
Transistor Count
945 Million
|
Transistor Count
624 Million
|
|
2 Cores
|
2 Cores
|
|
4 Threads
|
4 Threads
|
|
2.9GHz
3.6GHz Boost
|
2.8GHz
3.5GHz 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
12-way set associative
|
L3
4MB Shared
16-way set associative
|
|
Channels
2
|
Channels
2
|
|
Max Memory
32GB
32GB
|
Max Memory
16GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
800MHz
800MHz
Transfer Rate
1600MT/s
1600MT/s
|
Clock
667MHz
Transfer Rate
1333MT/s
|
|
Bandwidth/Channel
12.8GB/s
12.8GB/s
Bandwidth
25.6GB/s
25.6GB/s
|
Bandwidth/Channel
10.7GB/s
Bandwidth
21.3GB/s
|
|
TDP
35W
|
TDP
35W
|
|
Temp
105°C Max
|
Temp
100°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 3.0 x16 Lanes
|
PCIe 2.0 x16 Lanes
|
|
HD 4000 1250MHz
128 Shaders
1250MHz
320 GFLOPS FP32
|
HD 3000 1300MHz
96 Shaders
1300MHz
250 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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