Intel Core i7-6870HQ vs Intel Core i7-6660U
Intel Core i7-6870HQ
$434
Intel Core i7-6660U
$415
|
4 Cores
8 Threads
2.7GHz Clock
|
2 Cores
4 Threads
2.4GHz Clock
|
|
Socket
BGA 1440
|
Socket
BGA 1356
|
|
iGPU
Iris Pro 580 1000MHz
1.15 TFLOPS FP32
|
iGPU
Iris 540 1050MHz
810 GFLOPS FP32
|
GB6 Single-Core
|
|
Core i7-6870HQ - GB6S 1,190
x1.11
Core i7-6660U - GB6S 1,070
x1
GB6 Multi-Core
|
|
Core i7-6870HQ - GB6M 3,970
x1.83
Core i7-6660U - GB6M 2,175
x1
|
|
Core i7-6870HQ - 34.1GB/s
x1
Core i7-6660U - 34.1GB/s
x1
|
|
Core i7-6870HQ - 45W
x3
Core i7-6660U - 15W
x1
|
|
Core i7-6870HQ - 1.15 TFLOPS FP32
x1.42
Core i7-6660U - 810 GFLOPS FP32
x1
|
GB6S 1,190
29%
|
GB6S 1,070
26%
|
|
GB6M 3,970
15%
|
GB6M 2,175
8%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Skylake
|
Architecture
Skylake
|
|
Family
Core 6th Gen
|
Family
Core 6th Gen
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Skylake-H
Skylake-4C-GT4
|
Codename
Skylake-U
Skylake-2C-GT3
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/24/2016
|
Release Date
1/24/2016
|
|
Foundry
Intel
Intel (eDRAM Die)
-
|
Foundry
Intel
Intel (PCH Die)
Intel (eDRAM Die)
|
|
Node
14nm
22nm (eDRAM Die)
-
|
Node
14nm
22nm (PCH Die)
22nm (eDRAM Die)
|
|
Die Size
184 mm²
77 mm² (eDRAM Die)
-
|
Die Size
148 mm²
50 mm² (PCH Die)
42 mm² (eDRAM Die)
|
|
Transistor Count
3.2 Billion
|
Transistor Count
2.5 Billion
|
|
4 Cores
|
2 Cores
|
|
8 Threads
|
4 Threads
|
|
2.7GHz
3.6GHz Boost
|
2.4GHz
3.4GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Locked
|
|
Type
DMI
|
Type
OPI
|
|
Transfer Rate
8GT/s
|
Transfer Rate
4GT/s
|
|
Lanes
4
|
Lanes
4
|
|
Bandwidth
4GB/s
|
Bandwidth
2GB/s
|
|
Bi-directional
8GB/s
|
Bi-directional
4GB/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
8MB Shared
16-way set associative
|
L3
4MB Shared
16-way set associative
|
|
L4
128MB Shared
|
L4
64MB Shared
|
|
Channels
2
|
Channels
2
|
|
Max Memory
64GB
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
1067MHz
800MHz
933MHz
Transfer Rate
2133MT/s
1600MT/s
1866MT/s
|
|
Bandwidth/Channel
17.1GB/s
12.8GB/s
14.9GB/s
Bandwidth
34.1GB/s
25.6GB/s
29.9GB/s
|
Bandwidth/Channel
17.1GB/s
12.8GB/s
14.9GB/s
Bandwidth
34.1GB/s
25.6GB/s
29.9GB/s
|
|
TDP
45W
35W cTDP Down
|
TDP
15W
10W cTDP Down
|
|
Temp
100°C Max
|
Temp
100°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 3.0 x16 Lanes
|
PCIe 3.0 x12 Lanes
|
|
Iris Pro 580 1000MHz
576 Shaders
1000MHz
1.15 TFLOPS FP32
|
Iris 540 1050MHz
384 Shaders
1050MHz
810 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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