Intel Core i5-1235U vs Intel Core i3-4020Y

Intel Core i5-1235U $309
Intel Core i3-4020Y $304
10 Cores
12 Threads
1.3GHz Clock
2 Cores
4 Threads
1.5GHz Clock
Socket
BGA 1744
Socket
BGA 1168
iGPU
Iris Xe 80EU 1200MHz
1.54 TFLOPS FP32
iGPU
HD 4200 850MHz
270 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
Haswell
Family
Core 12th Gen
Family
Core 4th 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
Haswell-ULX
-
Haswell-2C-GT3
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
2/23/2022
Release Date
9/1/2013
Foundry
Intel
Intel (PCH Die)
-
-
Foundry
Intel
Intel (PCH Die)
-
-
Node
Intel 7
14nm (PCH Die)
-
-
Node
22nm
22nm (PCH Die)
-
-
Die Size
161 mm²
54 mm² (PCH Die)
-
-
Die Size
181 mm²
52 mm² (PCH Die)
-
-
Transistor Count
11.9 Billion
-
-
-
Transistor Count
1.3 Billion
-
-
-
10 Cores
2 P-Cores
-
8 E-Cores
2 Cores
-
-
-
12 Threads
4 P-Threads
-
8 E-Threads
4 Threads
-
-
-
P-Core
1.3GHz
4.4GHz Boost
-
-
1.5GHz
-
-
-
-
-
-
-
-
E-Core
900MHz
3.3GHz Boost
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
OPI
Type
DMI
-
-
-
-
-
-
-
-
Transfer Rate
4GT/s
Transfer Rate
5GT/s
-
-
-
-
Lanes
8
Lanes
4
Bandwidth
4GB/s
Bandwidth
2.5GB/s
Bi-directional
8GB/s
Bi-directional
5GB/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
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
12MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
3MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
64GB
Max Memory
16GB
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
800MHz
Transfer Rate
1600MT/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
Bandwidth/Channel
12.8GB/s
Bandwidth
25.6GB/s
TDP
15W
-
-
55W Peak
TDP
11.5W
6W cTDP Down
-
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x12 Lanes
PCIe 2.0 x12 Lanes
Iris Xe 80EU 1200MHz
640 Shaders
1200MHz
1.54 TFLOPS FP32
HD 4200 850MHz
160 Shaders
850MHz
270 GFLOPS FP32
GNA 3.0
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison