Intel Core i7-1255UL vs Intel Core i7-1250U

Intel Core i7-1255UL $399
Intel Core i7-1250U $426
10 Cores
12 Threads
1.7GHz Clock
10 Cores
12 Threads
1.1GHz Clock
Socket
BGA 1744
Socket
BGA 1744
iGPU
Iris Xe 96EU 1250MHz
1.92 TFLOPS FP32
iGPU
Iris Xe 96EU 900MHz
1.38 TFLOPS FP32

GB6 Single-Core

  • 13% faster vs Core i7-1250U
  • 11% slower vs Core i7-1255UL
Core i7-1255UL - GB6S 2,200
x1.13
Core i7-1250U - GB6S 1,950
x1

GB6 Multi-Core

  • 19% faster vs Core i7-1250U
  • 16% slower vs Core i7-1255UL
Core i7-1255UL - GB6M 7,000
x1.19
Core i7-1250U - GB6M 5,885
x1

CB23 Single-Core

  • 5% faster vs Core i7-1250U
  • 5% slower vs Core i7-1255UL
Core i7-1255UL - CB23S 1,645
x1.05
Core i7-1250U - CB23S 1,565
x1

CB23 Multi-Core

  • 26% faster vs Core i7-1250U
  • 21% slower vs Core i7-1255UL
Core i7-1255UL - CB23M 9,340
x1.26
Core i7-1250U - CB23M 7,400
x1
  • 8% slower vs Core i7-1250U
  • 8% faster vs Core i7-1255UL
Core i7-1255UL - 76.8GB/s
x1
Core i7-1250U - 83.2GB/s
x1.08
  • 67% higher vs Core i7-1250U
  • 40% lower vs Core i7-1255UL
Core i7-1255UL - 15W
x1.67
Core i7-1250U - 9W
x1
  • 39% faster vs Core i7-1250U
  • 28% slower vs Core i7-1255UL
Core i7-1255UL - 1.92 TFLOPS FP32
x1.39
Core i7-1250U - 1.38 TFLOPS FP32
x1
GB6S 2,200
54%
GB6S 1,950
48%
GB6M 7,000
26%
CB23S 1,645
63%
CB23S 1,565
60%
CB23M 9,340
22%
CB23M 7,400
17%
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-PS
Alder Lake-2P-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
8/1/2022
Release Date
2/23/2022
Foundry
Intel
Intel (PCH Die)
Foundry
Intel
Intel (PCH Die)
Node
Intel 7
14nm (PCH Die)
Node
Intel 7
14nm (PCH Die)
Die Size
161 mm²
54 mm² (PCH Die)
Die Size
161 mm²
54 mm² (PCH Die)
Transistor Count
11.9 Billion
Transistor Count
11.9 Billion
10 Cores
2 P-Cores
8 E-Cores
10 Cores
2 P-Cores
8 E-Cores
12 Threads
4 P-Threads
8 E-Threads
12 Threads
4 P-Threads
8 E-Threads
P-Core
1.7GHz
4.7GHz Boost
P-Core
1.1GHz
4.7GHz Boost
E-Core
1.2GHz
3.5GHz Boost
E-Core
800MHz
3.5GHz Boost
Overclocking
Locked
Overclocking
Locked
Type
OPI
Type
OPI
Transfer Rate
4GT/s
Transfer Rate
4GT/s
Lanes
8
Lanes
8
Bandwidth
4GB/s
Bandwidth
4GB/s
Bi-directional
8GB/s
Bi-directional
8GB/s
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
2MB Shared (E-Core)
16-way set associative
L2
1280KB/Core
10-way set associative
2MB Shared (E-Core)
16-way set associative
L3
12MB Shared
12-way set associative
L3
12MB Shared
12-way set associative
Channels
2
Channels
2
Max Memory
64GB
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
2600MHz
Transfer Rate
5200MT/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
Bandwidth/Channel
41.6GB/s
Bandwidth
83.2GB/s
TDP
15W
12W cTDP Down
28W cTDP Up
-
TDP
9W
-
-
29W Peak
Temp
100°C Max
Temp
100°C Max
PCIe 4.0 x12 Lanes
PCIe 4.0 x6 Lanes
Iris Xe 96EU 1250MHz
768 Shaders
1250MHz
1.92 TFLOPS FP32
Iris Xe 96EU 900MHz
768 Shaders
900MHz
1.38 TFLOPS FP32
GNA 3.0
GNA 3.0
No Cellular
No Cellular
Change Comparison