Core i7-11850H vs Core i7-1255U

Core i7-11850H
Core i7-1255U
8 Cores
16 Threads
2.5GHz Clock
10 Cores
12 Threads
1.7GHz Clock
Socket
BGA 1787
Socket
BGA 1744
iGPU
UHD 32EU 1450MHz Gen 12
iGPU
Iris Xe 96EU 1250MHz
GB6S 1,945
52%
GB6S 1,955
52%
GB6M 7,990
33%
GB6M 5,900
25%
CB23S 1,515
65%
CB23S 1,655
71%
CB23M 12,345
30%
CB23M 8,285
20%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Tiger Lake
Architecture
Alder Lake
Family
Core 11th Gen
Family
Core 12th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Tiger Lake-H
-
Tiger Lake-8C
-
Willow Cove
-
-
-
-
Codename
Alder Lake-U
-
Alder Lake-2P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Market Segment
Laptop
Market Segment
Laptop
Release Date
5/11/2021
Release Date
2/23/2022
Foundry
Intel
-
-
-
Foundry
Intel
Intel (PCH Die)
-
-
Node
10nm SuperFin
-
-
-
Node
Intel 7
14nm (PCH Die)
-
-
Die Size
190 mm²
-
-
-
Die Size
161 mm²
54 mm² (PCH Die)
-
-
Transistor Count
12.4 Billion
-
-
-
Transistor Count
11.9 Billion
-
-
-
8 Cores
-
-
-
10 Cores
2 P-Cores
-
8 E-Cores
16 Threads
-
-
-
12 Threads
4 P-Threads
-
8 E-Threads
-
2.5GHz
4.8GHz Boost
-
P-Core
1.7GHz
4.7GHz Boost
-
-
-
-
-
-
-
-
-
-
E-Core
1.2GHz
3.5GHz Boost
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
OPI
-
-
-
-
-
-
-
-
Transfer Rate
8GT/s
Transfer Rate
4GT/s
-
-
-
-
Lanes
8
Lanes
8
Bandwidth
8GB/s
Bandwidth
4GB/s
Bi-directional
16GB/s
Bi-directional
8GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Data
48KB/Core
12-way set associative
-
-
-
-
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L2
1280KB/Core
20-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
2MB Shared (E-Core)
16-way set associative
L3
-
24MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
12MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
128GB
Max Memory
64GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
1600MHz
Transfer Rate
3200MT/s
Clock
2400MHz
Transfer Rate
4800MT/s
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
TDP
45W
35W cTDP Down
-
-
TDP
15W
-
-
55W Peak
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 4.0 x12 Lanes
UHD 32EU 1450MHz Gen 12
256 Shaders
1450MHz
Iris Xe 96EU 1250MHz
768 Shaders
1250MHz
GNA 2.0
GNA 3.0
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results