Core i7-8559U vs Core i7-8557U

Core i7-8559U
Core i7-8557U
4 Cores
8 Threads
2.7GHz Clock
4 Cores
8 Threads
1.7GHz Clock
Socket
BGA 1528
Socket
BGA 1528
iGPU
Iris Plus 655 1200MHz
iGPU
Iris Plus 645 1150MHz
GB6S 1,410
37%
GB6S 1,400
37%
GB6M 4,350
18%
GB6M 4,300
18%
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 8th Gen
Family
Core 8th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Coffee Lake-U
-
Coffee Lake-4C-GT3
-
-
-
-
-
-
Codename
Coffee Lake-U
-
Coffee Lake-4C-GT3
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
4/5/2018
Release Date
4/5/2018
Foundry
Intel
Intel (PCH Die)
Intel (eDRAM Die)
-
Foundry
Intel
Intel (PCH Die)
Intel (eDRAM Die)
-
Node
14nm++
14nm (PCH Die)
14nm (eDRAM Die)
-
Node
14nm++
14nm (PCH Die)
14nm (eDRAM Die)
-
Die Size
148 mm²
37 mm² (PCH Die)
63 mm² (eDRAM Die)
-
Die Size
148 mm²
37 mm² (PCH Die)
63 mm² (eDRAM Die)
-
Transistor Count
2.5 Billion
-
-
-
Transistor Count
2.5 Billion
-
-
-
4 Cores
-
-
-
4 Cores
-
-
-
8 Threads
-
-
-
8 Threads
-
-
-
-
2.7GHz
4.5GHz Boost
-
-
1.7GHz
4.5GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
DMI
-
-
-
-
-
-
-
-
Transfer Rate
8GT/s
Transfer Rate
8GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
4GB/s
Bandwidth
4GB/s
Bi-directional
8GB/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
-
-
L4
128MB 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
1333MHz
Transfer Rate
2666MT/s
Clock
1333MHz
Transfer Rate
2666MT/s
Bandwidth/Channel
21.3GB/s
Bandwidth
42.7GB/s
Bandwidth/Channel
21.3GB/s
Bandwidth
42.7GB/s
TDP
28W
20W cTDP Down
-
-
TDP
15W
-
-
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 3.0 x16 Lanes
PCIe 3.0 x16 Lanes
Iris Plus 655 1200MHz
384 Shaders
1200MHz
Iris Plus 645 1150MHz
384 Shaders
1150MHz
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results