Core i7-6660U vs Core i7-7920HQ

Core i7-6660U
Core i7-7920HQ
2 Cores
4 Threads
2.4GHz Clock
4 Cores
8 Threads
3.1GHz Clock
Socket
BGA 1356
Socket
BGA 1440
iGPU
Iris 540 1050MHz
iGPU
HD 630 1100MHz
GB6S 1,070
28%
GB6S 1,285
34%
GB6M 2,175
9%
GB6M 4,115
17%
CB23S - N/A
0%
CB23S - N/A
0%
CB23M - N/A
0%
CB23M - N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Skylake
Architecture
Skylake
Family
Core 6th Gen
Family
Core 7th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Skylake-U
-
Skylake-2C-GT3
-
-
-
-
-
-
Codename
Kaby Lake-H
-
Kaby Lake-4C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/24/2016
Release Date
1/3/2017
Foundry
Intel
Intel (PCH Die)
Intel (eDRAM Die)
-
Foundry
Intel
-
-
-
Node
14nm
22nm (PCH Die)
22nm (eDRAM Die)
-
Node
14nm+
-
-
-
Die Size
148 mm²
50 mm² (PCH Die)
42 mm² (eDRAM Die)
-
Die Size
125 mm²
-
-
-
Transistor Count
2.5 Billion
-
-
-
Transistor Count
2.1 Billion
-
-
-
2 Cores
-
-
-
4 Cores
-
-
-
4 Threads
-
-
-
8 Threads
-
-
-
-
2.4GHz
3.4GHz Boost
-
-
3.1GHz
4.1GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
OPI
Type
DMI
-
-
-
-
-
-
-
-
Transfer Rate
4GT/s
Transfer Rate
8GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
2GB/s
Bandwidth
4GB/s
Bi-directional
4GB/s
Bi-directional
8GB/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
4-way set associative
-
-
-
-
-
-
-
-
-
-
L2
256KB/Core
4-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
4MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
8MB Shared
-
16-way set associative
-
-
-
-
-
L4
64MB Shared
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
64GB
Max Memory
64GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
1067MHz
Transfer Rate
2133MT/s
Clock
1200MHz
Transfer Rate
2400MT/s
Bandwidth/Channel
17.1GB/s
Bandwidth
34.1GB/s
Bandwidth/Channel
19.2GB/s
Bandwidth
38.4GB/s
TDP
15W
10W cTDP Down
-
-
TDP
45W
35W cTDP Down
-
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 3.0 x12 Lanes
PCIe 3.0 x16 Lanes
Iris 540 1050MHz
384 Shaders
1050MHz
HD 630 1100MHz
192 Shaders
1100MHz
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results