Intel Core Ultra 7 165HL vs Intel Core Ultra 7 255HX

Intel Core Ultra 7 165HL $459
Intel Core Ultra 7 255HX $507
16 Cores
22 Threads
1.4GHz Clock
20 Cores
20 Threads
2.4GHz Clock
Socket
LGA 1851
Socket
BGA 2114
iGPU
Arc 8C 2300MHz
iGPU
Graphics 4C 1850MHz
GB6S 2,450
60%
GB6S - N/A
0%
GB6M 12,850
48%
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
Meteor Lake
Architecture
Arrow Lake
Family
Core Ultra Series 1
Family
Core Ultra Series 2
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Meteor Lake-H
-
Meteor Lake-P-6P
P-Core
Redwood Cove
-
-
E-Core
Crestmont
Codename
-
-
Arrow Lake-S-8P-16E
P-Core
Lion Cove
-
-
E-Core
Skymont
Market Segment
Laptop
Market Segment
Laptop
Release Date
4/8/2024
Release Date
1/6/2025
Foundry
Intel
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
Node
Intel 4
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
Die Size
68 mm²
44 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
Die Size
135 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
Transistor Count
10 Billion
-
-
-
Transistor Count
Unknown
-
-
-
16 Cores
6 P-Cores
8 M-Cores
2 E-Cores
20 Cores
8 P-Cores
-
12 E-Cores
22 Threads
12 P-Threads
8 M-Cores
2 E-Threads
20 Threads
8 P-Threads
-
12 E-Threads
P-Core
1.4GHz
5GHz Boost
-
P-Core
2.4GHz
5.2GHz Boost
-
M-Core
0.9GHz
-
-
-
-
E-Core
0.7GHz
2.5GHz 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
-
-
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
2048KB/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
-
24MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
30MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
96GB
Max Memory
192GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
2800MHz
Transfer Rate
5600MT/s
Clock
3200MHz
Transfer Rate
6400MT/s
Bandwidth/Channel
44.8GB/s
Bandwidth
89.6GB/s
Bandwidth/Channel
51.2GB/s
Bandwidth
102.4GB/s
TDP
45W
20W cTDP Down
65W cTDP Up
115W Peak
TDP
55W
45W cTDP Down
-
160W Peak
Temp
105°C Max
-
Temp
105°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 5.0 x20 Lanes
PCIe 4.0 x4 Lanes
Arc 8C 2300MHz
1024 Shaders
2300MHz
Graphics 4C 1850MHz
512 Shaders
1850MHz
AI Boost 3
AI Boost 3
1.4MHz
2 Cores
-
2 Cores
11.5 TOPS
INT8
13 TOPS
INT8
-
-
-
-
No Cellular
No Cellular
Change Comparison