Intel Core Ultra 7 366H vs Intel Core Ultra 7 255HX
Intel Core Ultra 7 366H
Intel Core Ultra 7 255HX
$507
|
16 Cores
16 Threads
2GHz Clock
|
20 Cores
20 Threads
2.4GHz Clock
|
|
Socket
BGA 2540
|
Socket
BGA 2114
|
|
iGPU
Graphics 4C 2500MHz
2.56 TFLOPS FP32
|
iGPU
Graphics 4C 1850MHz
1.89 TFLOPS FP32
|
|
GB6S N/A
0%
|
GB6S N/A
0%
|
|
GB6M N/A
0%
|
GB6M N/A
0%
|
|
CB23S N/A
0%
|
CB23S N/A
0%
|
|
CB23M N/A
0%
|
CB23M N/A
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Panther Lake
|
Architecture
Arrow Lake
|
|
Family
Core Ultra Series 3
|
Family
Core Ultra Series 2
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
-
-
Panther Lake-H-4P-12E
P-Core
Cougar Cove
M-Core
Darkmont
E-Core
Darkmont
|
Codename
-
-
Arrow Lake-S-8P-16E
P-Core
Lion Cove
-
-
E-Core
Skymont
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/5/2026
|
Release Date
1/6/2025
|
|
Foundry
Intel
Intel (iGPU Die)
TSMC (PCH Die)
-
|
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
|
|
Node
Intel 18A
Intel 3 (iGPU Die)
N6 (PCH Die)
-
|
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
|
|
Die Size
114 mm²
27 mm² (iGPU Die)
56 mm² (PCH Die)
-
|
Die Size
135 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
|
|
Transistor Count
Unknown
-
12 Million (PCH Die)
-
|
Transistor Count
Unknown
-
-
-
|
|
16 Cores
4 P-Cores
8 M-Cores
4 E-Cores
|
20 Cores
8 P-Cores
-
12 E-Cores
|
|
16 Threads
4 P-Threads
8 M-Cores
4 E-Threads
|
20 Threads
8 P-Threads
-
12 E-Threads
|
|
P-Core
2GHz
4.8GHz Boost
-
|
P-Core
2.4GHz
5.2GHz Boost
-
|
|
M-Core
1.6GHz
-
|
-
-
-
|
|
E-Core
1.6GHz
3.4GHz Boost
|
E-Core
1.8GHz
4.5GHz Boost
|
|
Overclocking
Locked
-
-
-
|
Overclocking
Unlocked
-
-
-
|
|
Integrated Chipset
-
|
Type
DMI
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
Transfer Rate
16GT/s
|
|
-
-
|
-
-
|
|
-
-
|
Lanes
8
|
|
-
-
|
Bandwidth
16GB/s
|
|
-
-
|
Bi-directional
32GB/s
|
|
L0 Instruction
64KB/Core
8-way set associative
|
L0 Instruction
-
-
|
|
L0 Data
48KB/Core
12-way set associative
|
L0 Data
-
-
|
|
L1 Instruction
-
-
64KB/M-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
192KB/P-Core
12-way set associative
32KB/M-Core
8-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 (M-Core)
16-way set associative
-
-
4MB Shared (E-Core)
16-way set associative
|
L2
3072KB/Core
10-way set associative
-
-
-
-
-
-
-
-
12MB Shared (E-Core)
16-way set associative
|
|
L3
-
18MB Shared
-
12-way set associative
-
-
-
-
-
|
L3
-
30MB Shared
-
12-way set associative
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Channels
2
|
Channels
2
|
|
Max Memory
96GB
128GB
|
Max Memory
192GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
4267MHz
3600MHz
Transfer Rate
8533MT/s
7200MT/s
|
Clock
3200MHz
Transfer Rate
6400MT/s
|
|
Bandwidth/Channel
68.3GB/s
57.6GB/s
Bandwidth
136.5GB/s
115.2GB/s
|
Bandwidth/Channel
51.2GB/s
Bandwidth
102.4GB/s
|
|
TDP
25W
15W cTDP Down
-
80W Peak
|
TDP
55W
45W cTDP Down
-
160W Peak
|
|
Temp
100°C Max
-
|
Temp
105°C Max
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 5.0 x12 Lanes
PCIe 4.0 x8 Lanes
|
PCIe 5.0 x20 Lanes
PCIe 4.0 x4 Lanes
|
|
Graphics 4C 2500MHz
512 Shaders
2500MHz
2.56 TFLOPS FP32
|
Graphics 4C 1850MHz
512 Shaders
1850MHz
1.89 TFLOPS FP32
|
|
NPU 5
|
AI Boost 3
|
|
-
3 Cores
|
-
2 Cores
|
|
50 TOPS INT8
|
13 TOPS INT8
|
|
ISP
IPU 7.5
|
-
-
|
|
No Cellular
|
No Cellular
|
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