Intel Core i5-1235U vs Intel Core i5-520M
Intel Core i5-1235U
$309
Intel Core i5-520M
$266
|
10 Cores
12 Threads
1.3GHz Clock
|
2 Cores
4 Threads
2.4GHz Clock
|
|
Socket
BGA 1744
|
Socket
BGA 1288
|
|
iGPU
Iris Xe 80EU 1200MHz
1.54 TFLOPS FP32
|
iGPU
HD 766MHz Gen 5
150 GFLOPS FP32
|
|
GB6S 1,865
46%
|
GB6S 360
9%
|
|
GB6M 5,680
21%
|
GB6M 695
3%
|
|
CB23S 1,640
63%
|
CB23S N/A
0%
|
|
CB23M 6,600
15%
|
CB23M N/A
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Alder Lake
|
Architecture
Westmere
|
|
Family
Core 12th Gen
|
Family
Core 1st 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
Arrandale
-
-
-
-
-
-
-
-
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
2/23/2022
|
Release Date
1/1/2010
|
|
Foundry
Intel
Intel (PCH Die)
-
-
|
Foundry
Intel
Intel (iGPU Die)
-
-
|
|
Node
Intel 7
14nm (PCH Die)
-
-
|
Node
32nm
45nm (iGPU Die)
-
-
|
|
Die Size
161 mm²
54 mm² (PCH Die)
-
-
|
Die Size
81 mm²
114 mm² (iGPU Die)
-
-
|
|
Transistor Count
11.9 Billion
-
-
-
|
Transistor Count
382 Million
177 Million (iGPU Die)
-
-
|
|
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
-
|
-
2.4GHz
2.93GHz Boost
18x Multiplier
|
|
-
-
-
|
-
-
-
|
|
E-Core
900MHz
3.3GHz Boost
|
-
-
-
|
|
Overclocking
Locked
-
-
-
|
Overclocking
Locked
Voltage
0.78V Min
1.4V Max
|
|
Type
OPI
|
Type
DMI
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Transfer Rate
4GT/s
|
Transfer Rate
2.5GT/s
|
|
-
-
|
-
-
|
|
Lanes
8
|
Lanes
4
|
|
Bandwidth
4GB/s
|
Bandwidth
1.25GB/s
|
|
Bi-directional
8GB/s
|
Bi-directional
2.5GB/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
4-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
64GB
64GB
32GB
|
Max Memory
8GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
2400MHz
1600MHz
2600MHz
2133MHz
Transfer Rate
4800MT/s
3200MT/s
5200MT/s
4266MT/s
|
Clock
533MHz
Transfer Rate
1066MT/s
|
|
Bandwidth/Channel
38.4GB/s
25.6GB/s
41.6GB/s
34.1GB/s
Bandwidth
76.8GB/s
51.2GB/s
83.2GB/s
68.3GB/s
|
Bandwidth/Channel
8.5GB/s
Bandwidth
17.1GB/s
|
|
TDP
15W
-
-
55W Peak
|
TDP
35W
-
-
-
|
|
Temp
100°C Max
-
|
Temp
105°C Max
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 4.0 x12 Lanes
|
PCIe 2.0 x16 Lanes
|
|
Iris Xe 80EU 1200MHz
640 Shaders
1200MHz
1.54 TFLOPS FP32
|
HD 766MHz Gen 5
96 Shaders
766MHz
150 GFLOPS FP32
|
|
GNA 3.0
|
No NPU
-
|
|
-
-
|
-
-
|
|
-
|
-
|
|
-
-
|
-
-
|
|
No Cellular
|
No Cellular
|
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