Intel Core i5-1235U vs Intel Core i5-8250U

Intel Core i5-1235U $309
Intel Core i5-8250U $297
10 Cores
12 Threads
1.3GHz Clock
4 Cores
8 Threads
1.6GHz Clock
Socket
BGA 1744
Socket
BGA 1356
iGPU
Iris Xe 80EU 1200MHz
1.54 TFLOPS FP32
iGPU
UHD 620 1100MHz
420 GFLOPS FP32
CB23S 1,640
63%
CB23S N/A
0%
CB23M 6,600
15%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Alder Lake
Architecture
Skylake
Family
Core 12th Gen
Family
Core 8th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Alder Lake-U
-
Alder Lake-2P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Codename
Kaby Lake-R
-
Kaby Lake-R-4C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
2/23/2022
Release Date
8/21/2017
Foundry
Intel
Intel (PCH Die)
-
-
Foundry
Intel
-
-
-
Node
Intel 7
14nm (PCH Die)
-
-
Node
14nm+
-
-
-
Die Size
161 mm²
54 mm² (PCH Die)
-
-
Die Size
123 mm²
-
-
-
Transistor Count
11.9 Billion
-
-
-
Transistor Count
2.1 Billion
-
-
-
10 Cores
2 P-Cores
-
8 E-Cores
4 Cores
-
-
-
12 Threads
4 P-Threads
-
8 E-Threads
8 Threads
-
-
-
P-Core
1.3GHz
4.4GHz Boost
-
-
1.6GHz
3.4GHz Boost
-
-
-
-
-
-
-
E-Core
900MHz
3.3GHz Boost
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
OPI
Type
OPI
-
-
-
-
-
-
-
-
Transfer Rate
4GT/s
Transfer Rate
4GT/s
-
-
-
-
Lanes
8
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/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
2MB Shared (E-Core)
16-way set associative
L2
256KB/Core
4-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
12MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
6MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
64GB
Max Memory
32GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
2400MHz
Transfer Rate
4800MT/s
Clock
1067MHz
Transfer Rate
2133MT/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
Bandwidth/Channel
17.1GB/s
Bandwidth
34.1GB/s
TDP
15W
-
-
55W Peak
TDP
15W
10W cTDP Down
25W cTDP Up
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x12 Lanes
PCIe 3.0 x12 Lanes
Iris Xe 80EU 1200MHz
640 Shaders
1200MHz
1.54 TFLOPS FP32
UHD 620 1100MHz
192 Shaders
1100MHz
420 GFLOPS FP32
GNA 3.0
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison