Intel Core i7-7660U vs Intel Core i7-7820HK
Intel Core i7-7660U
$415
Intel Core i7-7820HK
$378
|
2 Cores
4 Threads
2.5GHz Clock
|
4 Cores
8 Threads
2.9GHz Clock
|
|
Socket
BGA 1356
|
Socket
BGA 1440
|
|
iGPU
Iris Plus 640 1100MHz
850 GFLOPS FP32
|
iGPU
HD 630 1100MHz
420 GFLOPS FP32
|
GB6 Single-Core
|
|
Core i7-7660U - GB6S 1,300
x1.03
Core i7-7820HK - GB6S 1,265
x1
GB6 Multi-Core
|
|
Core i7-7660U - GB6M 2,500
x1
Core i7-7820HK - GB6M 4,140
x1.66
|
|
Core i7-7660U - 34.1GB/s
x1
Core i7-7820HK - 38.4GB/s
x1.13
|
|
Core i7-7660U - 15W
x1
Core i7-7820HK - 45W
x3
|
|
Core i7-7660U - 850 GFLOPS FP32
x2.02
Core i7-7820HK - 420 GFLOPS FP32
x1
|
GB6S 1,300
32%
|
GB6S 1,265
31%
|
|
GB6M 2,500
9%
|
GB6M 4,140
16%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Skylake
|
Architecture
Skylake
|
|
Family
Core 7th Gen
|
Family
Core 7th Gen
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Kaby Lake-U
Kaby Lake-2C-GT3
|
Codename
Kaby Lake-H
Kaby Lake-4C-GT2
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/3/2017
|
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
|
|
2.5GHz
4GHz Boost
|
2.9GHz
3.9GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Unlocked
|
|
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
32GB
32GB
16GB
|
Max Memory
64GB
32GB
16GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
1067MHz
800MHz
933MHz
Transfer Rate
2133MT/s
1600MT/s
1866MT/s
|
Clock
1200MHz
800MHz
1067MHz
Transfer Rate
2400MT/s
1600MT/s
2133MT/s
|
|
Bandwidth/Channel
17.1GB/s
12.8GB/s
15.0GB/s
Bandwidth
34.1GB/s
25.6GB/s
30.0GB/s
|
Bandwidth/Channel
19.2GB/s
12.8GB/s
17.1GB/s
Bandwidth
38.4GB/s
25.6GB/s
34.1GB/s
|
|
TDP
15W
10W cTDP Down
|
TDP
45W
35W cTDP Down
|
|
Temp
100°C Max
|
Temp
100°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 3.0 x12 Lanes
|
PCIe 3.0 x16 Lanes
|
|
Iris Plus 640 1100MHz
384 Shaders
1100MHz
850 GFLOPS FP32
|
HD 630 1100MHz
192 Shaders
1100MHz
420 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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