Intel Core Ultra 7 255HX vs Intel Core Ultra 7 256V
Intel Core Ultra 7 255HX
$507
Intel Core Ultra 7 256V
|
20 Cores
20 Threads
2.4GHz Clock
|
8 Cores
8 Threads
4.8GHz Clock
|
|
Socket
BGA 2114
|
Socket
BGA 2833
|
|
iGPU
Graphics 4C 1850MHz
1.89 TFLOPS FP32
|
iGPU
Arc 140V 1950MHz
3.99 TFLOPS FP32
|
|
GB6S N/A
0%
|
GB6S 2,720
67%
|
|
GB6M N/A
0%
|
GB6M 10,400
39%
|
|
CB23S N/A
0%
|
CB23S N/A
0%
|
|
CB23M N/A
0%
|
CB23M N/A
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Arrow Lake
|
Architecture
Lunar Lake
|
|
Family
Core Ultra Series 2
|
Family
Core Ultra Series 2
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
-
-
Arrow Lake-S-8P-16E
P-Core
Lion Cove
-
-
E-Core
Skymont
|
Codename
-
-
Lunar Lake-MX
P-Core
Lion Cove
-
-
E-Core
Skymont
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/6/2025
|
Release Date
9/3/2024
|
|
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
|
Foundry
TSMC
TSMC (IO Die)
Intel (FIB Die)
-
|
|
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
|
Node
N3B
N6 (IO Die)
22nm (FIB Die)
-
|
|
Die Size
135 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
|
Die Size
140 mm²
46 mm² (IO Die)
-
-
|
|
Transistor Count
Unknown
-
-
-
|
Transistor Count
Unknown
-
-
-
|
|
20 Cores
8 P-Cores
-
12 E-Cores
|
8 Cores
4 P-Cores
-
4 E-Cores
|
|
20 Threads
8 P-Threads
-
12 E-Threads
|
8 Threads
4 P-Threads
-
4 E-Threads
|
|
P-Core
2.4GHz
5.2GHz Boost
-
|
P-Core
4.8GHz
-
-
|
|
-
-
-
|
-
-
-
|
|
E-Core
1.8GHz
4.5GHz Boost
|
E-Core
3.7GHz
-
|
|
Overclocking
Unlocked
-
-
-
|
Overclocking
Locked
-
-
-
|
|
Type
DMI
|
Integrated Chipset
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Transfer Rate
16GT/s
|
-
-
|
|
-
-
|
-
-
|
|
Lanes
8
|
-
-
|
|
Bandwidth
16GB/s
|
-
-
|
|
Bi-directional
32GB/s
|
-
-
|
|
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
3072KB/Core
10-way set associative
-
-
-
-
-
-
-
-
12MB Shared (E-Core)
16-way set associative
|
L2
2560KB/Core
10-way set associative
-
-
-
-
-
-
-
-
4MB Shared (E-Core)
16-way set associative
|
|
L3
-
30MB Shared
-
12-way set associative
-
-
-
-
-
|
L3
-
12MB Shared
-
12-way set associative
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Channels
2
|
Channels
2
|
|
Max Memory
192GB
|
Max Memory
16GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
3200MHz
Transfer Rate
6400MT/s
|
Clock
4267MHz
Transfer Rate
8533MT/s
|
|
Bandwidth/Channel
51.2GB/s
Bandwidth
102.4GB/s
|
Bandwidth/Channel
68.3GB/s
Bandwidth
136.5GB/s
|
|
TDP
55W
45W cTDP Down
-
160W Peak
|
TDP
17W
8W cTDP Down
-
37W Peak
|
|
Temp
105°C Max
-
|
Temp
100°C Max
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 5.0 x20 Lanes
PCIe 4.0 x4 Lanes
|
PCIe 5.0 x4 Lanes
PCIe 4.0 x4 Lanes
|
|
Graphics 4C 1850MHz
512 Shaders
1850MHz
1.89 TFLOPS FP32
|
Arc 140V 1950MHz
1024 Shaders
1950MHz
3.99 TFLOPS FP32
|
|
AI Boost 3
|
AI Boost 4
|
|
-
2 Cores
|
-
6 Cores
|
|
13 TOPS INT8
|
47 TOPS INT8
|
|
-
-
|
-
-
|
|
No Cellular
|
No Cellular
|
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