Intel Core Ultra 7 155U vs Intel Core Ultra 7 256V
Intel Core Ultra 7 155U
$490
Intel Core Ultra 7 256V
|
12 Cores
14 Threads
1.7GHz Clock
|
8 Cores
8 Threads
4.8GHz Clock
|
|
Socket
BGA 2049
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Socket
BGA 2833
|
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iGPU
Graphics 4C 1950MHz
2 TFLOPS FP32
|
iGPU
Arc 140V 1950MHz
3.99 TFLOPS FP32
|
|
GB6S 2,200
54%
|
GB6S 2,720
67%
|
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GB6M 9,000
34%
|
GB6M 10,400
39%
|
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CB23S 1,730
67%
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CB23S N/A
0%
|
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CB23M 9,570
22%
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CB23M N/A
0%
|
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Manufacturer
Intel
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Manufacturer
Intel
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Architecture
Meteor Lake
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Architecture
Lunar Lake
|
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Family
Core Ultra Series 1
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Family
Core Ultra Series 2
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Instruction Set (ISA)
x86-64
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Instruction Set (ISA)
x86-64
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Codename
Meteor Lake-U
-
Meteor Lake-P-2P
P-Core
Redwood Cove
-
-
E-Core
Crestmont
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Codename
-
-
Lunar Lake-MX
P-Core
Lion Cove
-
-
E-Core
Skymont
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|
Market Segment
Laptop
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Market Segment
Laptop
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Release Date
12/14/2023
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Release Date
9/3/2024
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Foundry
Intel
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
|
Foundry
TSMC
TSMC (IO Die)
Intel (FIB Die)
-
|
|
Node
Intel 4
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
|
Node
N3B
N6 (IO Die)
22nm (FIB Die)
-
|
|
Die Size
38 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
|
Die Size
140 mm²
46 mm² (IO Die)
-
-
|
|
Transistor Count
5.5 Billion
-
-
-
|
Transistor Count
Unknown
-
-
-
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|
12 Cores
2 P-Cores
8 M-Cores
2 E-Cores
|
8 Cores
4 P-Cores
-
4 E-Cores
|
|
14 Threads
4 P-Threads
8 M-Cores
2 E-Threads
|
8 Threads
4 P-Threads
-
4 E-Threads
|
|
P-Core
1.7GHz
4.8GHz Boost
-
|
P-Core
4.8GHz
-
-
|
|
M-Core
1.2GHz
-
|
-
-
-
|
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E-Core
700MHz
2.1GHz Boost
|
E-Core
3.7GHz
-
|
|
Overclocking
Locked
-
-
-
|
Overclocking
Locked
-
-
-
|
|
Integrated Chipset
-
|
Integrated Chipset
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
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-
-
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-
-
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-
-
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-
-
|
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-
-
|
-
-
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L0 Instruction
-
-
|
L0 Instruction
64KB/Core
8-way set associative
|
|
L0 Data
-
-
|
L0 Data
48KB/Core
12-way set associative
|
|
L1 Instruction
64KB/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
|
L1 Instruction
-
-
-
-
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
192KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
|
|
L2
2048KB/Core
16-way set associative
-
-
-
-
-
-
-
-
4MB Shared (E-Core)
16-way set associative
|
L2
2560KB/Core
10-way set associative
-
-
-
-
-
-
-
-
4MB 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
96GB
64GB
|
Max Memory
16GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
3733MHz
2800MHz
Transfer Rate
7466MT/s
5600MT/s
|
Clock
4267MHz
Transfer Rate
8533MT/s
|
|
Bandwidth/Channel
59.7GB/s
44.8GB/s
Bandwidth
119.5GB/s
89.6GB/s
|
Bandwidth/Channel
68.3GB/s
Bandwidth
136.5GB/s
|
|
TDP
15W
12W cTDP Down
28W cTDP Up
57W Peak
|
TDP
17W
8W cTDP Down
-
37W Peak
|
|
Temp
110°C Max
-
|
Temp
100°C Max
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 4.0 x20 Lanes
|
PCIe 5.0 x4 Lanes
PCIe 4.0 x4 Lanes
|
|
Graphics 4C 1950MHz
512 Shaders
1950MHz
2 TFLOPS FP32
|
Arc 140V 1950MHz
1024 Shaders
1950MHz
3.99 TFLOPS FP32
|
|
AI Boost 3
|
AI Boost 4
|
|
1.4MHz
2 Cores
|
-
6 Cores
|
|
11.5 TOPS INT8
|
47 TOPS INT8
|
|
-
-
|
-
-
|
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No Cellular
|
No Cellular
|
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