Core i7-2657M vs Core i7-660UM

Core i7-2657M
Core i7-660UM
2 Cores
4 Threads
1.6GHz Clock
2 Cores
4 Threads
1.33GHz Clock
Socket
BGA 1023
Socket
BGA 1288
iGPU
HD 3000 1000MHz
iGPU
HD 500MHz Gen 5
GB6S 400
11%
GB6S 320
8%
GB6M 780
3%
GB6M 500
2%
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 2nd Gen
Family
Core 1st Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Sandy Bridge
Sandy Bridge-H-2
Sandy Bridge-2C-GT2
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Codename
Arrandale
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Market Segment
Laptop
Market Segment
Laptop
Release Date
2/1/2011
Release Date
5/1/2010
Foundry
Intel
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-
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Foundry
Intel
Intel (iGPU Die)
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-
Node
32nm
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Node
32nm
45nm (iGPU Die)
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-
Die Size
149 mm²
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Die Size
81 mm²
114 mm² (iGPU Die)
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-
Transistor Count
624 Million
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Transistor Count
382 Million
177 Million (iGPU Die)
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2 Cores
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2 Cores
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4 Threads
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4 Threads
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1.6GHz
2.7GHz Boost
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-
1.33GHz
2.4GHz Boost
10x Multiplier
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Overclocking
Locked
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-
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Overclocking
Locked
Voltage
0.73V Min
1.4V Max
Type
DMI
Type
DMI
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Transfer Rate
5GT/s
Transfer Rate
2.5GT/s
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Lanes
4
Lanes
4
Bandwidth
2.5GB/s
Bandwidth
1.25GB/s
Bi-directional
5GB/s
Bi-directional
2.5GB/s
L0 Instruction
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-
L0 Instruction
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L0 Data
-
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L0 Data
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L1 Instruction
32KB/Core
8-way set associative
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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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L2
256KB/Core
8-way set associative
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L2
256KB/Core
8-way set associative
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L3
-
4MB Shared
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16-way set associative
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L3
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4MB Shared
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16-way set associative
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Channels
2
Channels
2
Max Memory
8GB
Max Memory
8GB
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
400MHz
Transfer Rate
800MT/s
Bandwidth/Channel
10.7GB/s
Bandwidth
21.3GB/s
Bandwidth/Channel
6.4GB/s
Bandwidth
12.8GB/s
TDP
17W
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TDP
18W
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Temp
100°C Max
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Temp
105°C Max
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Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x16 Lanes
PCIe 2.0 x16 Lanes
HD 3000 1000MHz
96 Shaders
1000MHz
HD 500MHz Gen 5
96 Shaders
500MHz
No NPU
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No NPU
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No Cellular
No Cellular
Change Results