Intel Core Ultra 7 255H vs Intel Core i7-14650HX

Intel Core Ultra 7 255H $514
Intel Core i7-14650HX
16 Cores
16 Threads
2GHz Clock
16 Cores
24 Threads
2.2GHz Clock
Socket
BGA 2049
Socket
BGA 1964
iGPU
Arc 140T 2250MHz
iGPU
No GPU
GB6S - N/A
0%
GB6S 2,820
69%
GB6M - N/A
0%
GB6M 16,200
61%
CB23S - N/A
0%
CB23S 1,920
74%
CB23M - N/A
0%
CB23M 23,840
55%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Arrow Lake
Architecture
Raptor Lake
Family
Core Ultra Series 2
Family
Core 14th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
-
-
Arrow Lake-H-6P-8E
P-Core
Lion Cove
M-Core
Skymont
E-Core
Crestmont
Codename
Raptor Lake-HX
-
Raptor Lake-8P-16E
P-Core
Raptor Cove
-
-
E-Core
Gracemont
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/6/2025
Release Date
1/8/2024
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
Foundry
Intel
-
-
-
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
Node
Intel 7
-
-
-
Die Size
Unknown
44 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
Die Size
257 mm²
-
-
-
Transistor Count
Unknown
-
-
-
Transistor Count
18.5 Billion
-
-
-
16 Cores
6 P-Cores
8 M-Cores
2 E-Cores
16 Cores
8 P-Cores
-
8 E-Cores
16 Threads
6 P-Threads
8 M-Cores
2 E-Threads
24 Threads
16 P-Threads
-
8 E-Threads
P-Core
2GHz
5.1GHz Boost
-
P-Core
2.2GHz
5.2GHz Boost
-
M-Core
1.5GHz
-
-
-
-
E-Core
0.7GHz
2.5GHz Boost
E-Core
1.6GHz
3.7GHz 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
32KB/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
-
-
-
-
-
-
-
-
8MB Shared (E-Core)
16-way set associative
L3
-
18MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
30MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
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
4200MHz
Transfer Rate
8400MT/s
Clock
2800MHz
Transfer Rate
5600MT/s
Bandwidth/Channel
67.2GB/s
Bandwidth
134.4GB/s
Bandwidth/Channel
44.8GB/s
Bandwidth
89.6GB/s
TDP
28W
20W cTDP Down
-
115W Peak
TDP
55W
45W cTDP Down
-
157W Peak
Temp
110°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 5.0 x8 Lanes
PCIe 4.0 x20 Lanes
PCIe 5.0 x16 Lanes
PCIe 4.0 x4 Lanes
Arc 140T 2250MHz
1024 Shaders
1950MHz
No GPU
-
-
AI Boost 3
GNA 3.0
-
2 Cores
-
-
13 TOPS
INT8
-
-
-
-
-
-
No Cellular
No Cellular
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