Core i7-12850HX vs Core i7-1255U

Core i7-12850HX
Core i7-1255U
16 Cores
24 Threads
2.1GHz Clock
10 Cores
12 Threads
1.7GHz Clock
Socket
BGA 1964
Socket
BGA 1744
iGPU
UHD 32EU 1450MHz Gen 12
iGPU
Iris Xe 96EU 1250MHz
GB6S 2,450
65%
GB6S 1,955
52%
GB6M 11,500
48%
GB6M 5,900
25%
CB23S 1,855
79%
CB23S 1,655
71%
CB23M 20,440
50%
CB23M 8,285
20%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Alder Lake
Architecture
Alder Lake
Family
Core 12th Gen
Family
Core 12th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Alder Lake-HX
-
Alder Lake-8P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Codename
Alder Lake-U
-
Alder Lake-2P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Market Segment
Laptop
Market Segment
Laptop
Release Date
5/10/2022
Release Date
2/23/2022
Foundry
Intel
-
-
-
Foundry
Intel
Intel (PCH Die)
-
-
Node
Intel 7
-
-
-
Node
Intel 7
14nm (PCH Die)
-
-
Die Size
202 mm²
-
-
-
Die Size
161 mm²
54 mm² (PCH Die)
-
-
Transistor Count
14.6 Billion
-
-
-
Transistor Count
11.9 Billion
-
-
-
16 Cores
8 P-Cores
-
8 E-Cores
10 Cores
2 P-Cores
-
8 E-Cores
24 Threads
16 P-Threads
-
8 E-Threads
12 Threads
4 P-Threads
-
8 E-Threads
P-Core
2.1GHz
4.8GHz Boost
-
P-Core
1.7GHz
4.7GHz Boost
-
-
-
-
-
-
-
E-Core
1.5GHz
3.4GHz Boost
E-Core
1.2GHz
3.5GHz Boost
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
OPI
-
-
-
-
-
-
-
-
Transfer Rate
16GT/s
Transfer Rate
4GT/s
-
-
-
-
Lanes
8
Lanes
8
Bandwidth
16GB/s
Bandwidth
4GB/s
Bi-directional
32GB/s
Bi-directional
8GB/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/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
4MB Shared (E-Core)
16-way set associative
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
2MB Shared (E-Core)
16-way set associative
L3
-
25MB 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
2400MHz
Transfer Rate
4800MT/s
Clock
2400MHz
Transfer Rate
4800MT/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
TDP
55W
-
-
157W Peak
TDP
15W
-
-
55W Peak
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 5.0 x16 Lanes
PCIe 4.0 x4 Lanes
PCIe 4.0 x12 Lanes
UHD 32EU 1450MHz Gen 12
256 Shaders
1450MHz
Iris Xe 96EU 1250MHz
768 Shaders
1250MHz
GNA 3.0
GNA 3.0
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results