Intel Core Ultra 7 255H vs Intel Core i5-12600H

Intel Core Ultra 7 255H $514
Intel Core i5-12600H $311
16 Cores
16 Threads
2GHz Clock
12 Cores
16 Threads
2.7GHz Clock
Socket
BGA 2049
Socket
BGA 1744
iGPU
Arc 140T 2250MHz
4.61 TFLOPS FP32
iGPU
Iris Xe 80EU 1400MHz
1.79 TFLOPS FP32
CB23S N/A
0%
CB23S 1,700
65%
CB23M N/A
0%
CB23M 11,275
26%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Arrow Lake
Architecture
Alder Lake
Family
Core Ultra Series 2
Family
Core 12th 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
Alder Lake-H
-
Alder Lake-6P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/6/2025
Release Date
1/18/2022
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
Foundry
Intel
Intel (PCH Die)
-
-
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
Node
Intel 7
14nm (PCH Die)
-
-
Die Size
Unknown
44 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
Die Size
208 mm²
54 mm² (PCH Die)
-
-
Transistor Count
Unknown
-
-
-
Transistor Count
15.2 Billion
-
-
-
16 Cores
6 P-Cores
8 M-Cores
2 E-Cores
12 Cores
4 P-Cores
-
8 E-Cores
16 Threads
6 P-Threads
8 M-Cores
2 E-Threads
16 Threads
8 P-Threads
-
8 E-Threads
P-Core
2GHz
5.1GHz Boost
-
P-Core
2.7GHz
4.5GHz Boost
-
M-Core
1.5GHz
-
-
-
-
E-Core
700MHz
2.5GHz Boost
E-Core
2GHz
3.3GHz Boost
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Integrated Chipset
-
Type
OPI
-
-
-
-
-
-
-
-
-
-
Transfer Rate
4GT/s
-
-
-
-
-
-
Lanes
8
-
-
Bandwidth
4GB/s
-
-
Bi-directional
8GB/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
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
2MB Shared (E-Core)
16-way set associative
L3
-
18MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
18MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
128GB
Max Memory
64GB
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
2400MHz
Transfer Rate
4800MT/s
Bandwidth/Channel
67.2GB/s
Bandwidth
134.4GB/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
TDP
28W
20W cTDP Down
-
115W Peak
TDP
45W
-
-
95W 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 4.0 x16 Lanes
PCIe 3.0 x4 Lanes
Arc 140T 2250MHz
1024 Shaders
2250MHz
4.61 TFLOPS FP32
Iris Xe 80EU 1400MHz
640 Shaders
1400MHz
1.79 TFLOPS FP32
AI Boost 3
GNA 3.0
-
2 Cores
-
-
13 TOPS INT8
-
-
-
-
-
No Cellular
No Cellular
Change Comparison