Intel Core i5-5257U vs Intel Core i7-7500U

Intel Core i5-5257U $315
Intel Core i7-7500U $393
2 Cores
4 Threads
2.7GHz Clock
2 Cores
4 Threads
2.7GHz Clock
Socket
BGA 1168
Socket
BGA 1356
iGPU
Iris 6100 1050MHz
810 GFLOPS FP32
iGPU
HD 620 1050MHz
400 GFLOPS FP32
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Broadwell
Architecture
Skylake
Family
Core 5th Gen
Family
Core 7th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Broadwell-U
-
Broadwell-2C-GT3
-
-
-
-
-
-
Codename
Kaby Lake-U
-
Kaby Lake-2C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/1/2015
Release Date
1/3/2017
Foundry
Intel
Intel (PCH Die)
-
-
Foundry
Intel
Intel (PCH Die)
-
-
Node
14nm
22nm (PCH Die)
-
-
Node
14nm+
22nm (PCH Die)
-
-
Die Size
133 mm²
52 mm² (PCH Die)
-
-
Die Size
103 mm²
50 mm² (PCH Die)
-
-
Transistor Count
1.9 Billion
-
-
-
Transistor Count
1.8 Billion
-
-
-
2 Cores
-
-
-
2 Cores
-
-
-
4 Threads
-
-
-
4 Threads
-
-
-
-
2.7GHz
3.1GHz Boost
-
-
2.7GHz
3.5GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
OPI
-
-
-
-
-
-
-
-
Transfer Rate
5GT/s
Transfer Rate
4GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
2.5GB/s
Bandwidth
2GB/s
Bi-directional
5GB/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
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
256KB/Core
4-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
3MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
4MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
16GB
Max Memory
32GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
800MHz
Transfer Rate
1600MT/s
Clock
1067MHz
Transfer Rate
2133MT/s
Bandwidth/Channel
12.8GB/s
Bandwidth
25.6GB/s
Bandwidth/Channel
17.1GB/s
Bandwidth
34.1GB/s
TDP
28W
-
-
-
TDP
15W
8W cTDP Down
25W cTDP Up
-
Temp
105°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x12 Lanes
PCIe 3.0 x12 Lanes
Iris 6100 1050MHz
384 Shaders
1050MHz
810 GFLOPS FP32
HD 620 1050MHz
192 Shaders
1050MHz
400 GFLOPS FP32
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison