Intel Core i7-8665U vs Intel Core i7-8559U
Intel Core i7-8665U
Intel Core i7-8559U
|
4 Cores
8 Threads
1.9GHz Clock
|
4 Cores
8 Threads
2.7GHz Clock
|
|
Socket
BGA 1528
|
Socket
BGA 1528
|
|
iGPU
UHD 620 1150MHz
440 GFLOPS FP32
|
iGPU
Iris Plus 655 1200MHz
920 GFLOPS FP32
|
GB6 Single-Core
|
|
Core i7-8665U - GB6S 1,450
x1.03
Core i7-8559U - GB6S 1,410
x1
GB6 Multi-Core
|
|
Core i7-8665U - GB6M 4,350
x1
Core i7-8559U - GB6M 4,350
x1
|
|
Core i7-8665U - 38.4GB/s
x1
Core i7-8559U - 42.7GB/s
x1.11
|
|
Core i7-8665U - 15W
x1
Core i7-8559U - 28W
x1.87
|
|
Core i7-8665U - 440 GFLOPS FP32
x1
Core i7-8559U - 920 GFLOPS FP32
x2.09
|
GB6S 1,450
36%
|
GB6S 1,410
35%
|
|
GB6M 4,350
16%
|
GB6M 4,350
16%
|
|
CB23S 1,255
48%
|
CB23S N/A
0%
|
|
CB23M 3,770
9%
|
CB23M N/A
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Skylake
|
Architecture
Skylake
|
|
Family
Core 8th Gen
|
Family
Core 8th Gen
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Whiskey Lake-U
Whiskey Lake-4C
|
Codename
Coffee Lake-U
Coffee Lake-4C-GT3
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
8/28/2018
|
Release Date
4/5/2018
|
|
Foundry
Intel
-
-
|
Foundry
Intel
Intel (PCH Die)
Intel (eDRAM Die)
|
|
Node
14nm+
-
-
|
Node
14nm++
14nm (PCH Die)
14nm (eDRAM Die)
|
|
Die Size
123 mm²
-
-
|
Die Size
148 mm²
37 mm² (PCH Die)
63 mm² (eDRAM Die)
|
|
Transistor Count
2.1 Billion
|
Transistor Count
2.5 Billion
|
|
4 Cores
|
4 Cores
|
|
8 Threads
|
8 Threads
|
|
1.9GHz
4.8GHz Boost
|
2.7GHz
4.5GHz 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
8MB Shared
16-way set associative
|
L3
8MB Shared
16-way set associative
|
|
-
-
|
L4
128MB Shared
|
|
Channels
2
|
Channels
2
|
|
Max Memory
64GB
16GB
|
Max Memory
64GB
16GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
1200MHz
1066MHz
Transfer Rate
2400MT/s
2133MT/s
|
Clock
1333MHz
1066MHz
Transfer Rate
2666MT/s
2133MT/s
|
|
Bandwidth/Channel
19.2GB/s
17.1GB/s
Bandwidth
38.4GB/s
34.1GB/s
|
Bandwidth/Channel
21.3GB/s
17.1GB/s
Bandwidth
42.7GB/s
34.1GB/s
|
|
TDP
15W
10W cTDP Down
25W cTDP Up
|
TDP
28W
20W cTDP Down
-
|
|
Temp
100°C Max
|
Temp
100°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 3.0 x16 Lanes
|
PCIe 3.0 x16 Lanes
|
|
UHD 620 1150MHz
192 Shaders
1150MHz
440 GFLOPS FP32
|
Iris Plus 655 1200MHz
384 Shaders
1200MHz
920 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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