Intel Core Ultra 7 255U vs Intel Core Ultra 7 155UL
Intel Core Ultra 7 255U
$490
Intel Core Ultra 7 155UL
$426
|
12 Cores
12 Threads
2GHz Clock
|
12 Cores
14 Threads
1.7GHz Clock
|
|
Socket
BGA 2049
|
Socket
LGA 1851
|
|
iGPU
Graphics 4C 2100MHz
2.15 TFLOPS FP32
|
iGPU
Graphics 4C 1950MHz
2 TFLOPS FP32
|
|
|
Core Ultra 7 255U - 134.4GB/s
x1.5
Core Ultra 7 155UL - 89.6GB/s
x1
|
|
Core Ultra 7 255U - 15W
x1
Core Ultra 7 155UL - 15W
x1
|
|
Core Ultra 7 255U - 2.15 TFLOPS FP32
x1.08
Core Ultra 7 155UL - 2 TFLOPS FP32
x1
|
|
Core Ultra 7 255U - 13 TOPS INT8
x1.13
Core Ultra 7 155UL - 11.5 TOPS INT8
x1
|
GB6S N/A
0%
|
GB6S 2,200
54%
|
|
GB6M N/A
0%
|
GB6M 9,000
34%
|
|
0%
|
0%
|
|
0%
|
0%
|
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Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Arrow Lake
|
Architecture
Meteor Lake
|
|
Family
Core Ultra Series 2
|
Family
Core Ultra Series 1
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
-
Arrow Lake-U-2P-8E
P-Core
Lion Cove
M-Core
Skymont
E-Core
Crestmont
|
Codename
Meteor Lake-U
Meteor Lake-M-2P
P-Core
Redwood Cove
-
-
E-Core
Crestmont
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/6/2025
|
Release Date
4/8/2024
|
|
Foundry
Intel
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
|
Foundry
Intel
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
|
|
Node
Intel 3
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
|
Node
Intel 4
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
|
|
Die Size
Unknown
23 mm² (iGPU Die)
100 mm² (SoC Die)
10 mm² (IO Die)
|
Die Size
38 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
|
|
Transistor Count
Unknown
|
Transistor Count
5.5 Billion
|
|
12 Cores
2 P-Cores
8 M-Cores
2 E-Cores
|
12 Cores
2 P-Cores
8 M-Cores
2 E-Cores
|
|
12 Threads
2 P-Threads
8 M-Cores
2 E-Threads
|
14 Threads
4 P-Threads
8 M-Cores
2 E-Threads
|
|
P-Core
2GHz
5.2GHz Boost
|
P-Core
1.7GHz
4.8GHz Boost
|
|
M-Core
1.7GHz
|
M-Core
1.2GHz
|
|
E-Core
700MHz
2.4GHz Boost
|
E-Core
700MHz
2.1GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Locked
|
|
Integrated Chipset
|
Integrated Chipset
|
|
L0 Instruction
|
L0 Instruction
|
|
L0 Data
|
L0 Data
|
|
L1 Instruction
64KB/P-Core
8-way set associative
64KB/E-Core
8-way set associative
|
L1 Instruction
64KB/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
3072KB/Core
10-way set associative
8MB Shared (E-Core)
16-way set associative
|
L2
2048KB/Core
16-way set associative
4MB 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
128GB
|
Max Memory
96GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
4200MHz
3200MHz
Transfer Rate
8400MT/s
6400MT/s
|
Clock
2800MHz
Transfer Rate
5600MT/s
|
|
Bandwidth/Channel
67.2GB/s
51.2GB/s
Bandwidth
134.4GB/s
102.4GB/s
|
Bandwidth/Channel
44.8GB/s
Bandwidth
89.6GB/s
|
|
TDP
15W
12W cTDP Down
-
57W Peak
|
TDP
15W
12W cTDP Down
28W cTDP Up
57W Peak
|
|
Temp
110°C Max
|
Temp
105°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 4.0 x20 Lanes
|
PCIe 4.0 x20 Lanes
|
|
Graphics 4C 2100MHz
512 Shaders
2100MHz
2.15 TFLOPS FP32
|
Graphics 4C 1950MHz
512 Shaders
1950MHz
2 TFLOPS FP32
|
|
AI Boost 3
|
AI Boost 3
|
|
-
2 Cores
|
1.4MHz
2 Cores
|
|
13 TOPS INT8
|
11.5 TOPS INT8
|
|
No Cellular
|
No Cellular
|
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