Intel Core Ultra 7 255H vs Intel Core i5-7300U

Intel Core Ultra 7 255H $514
Intel Core i5-7300U $281
16 Cores
16 Threads
2GHz Clock
2 Cores
4 Threads
2.6GHz Clock
Socket
BGA 2049
Socket
BGA 1356
iGPU
Arc 140T 2250MHz
4.61 TFLOPS FP32
iGPU
HD 620 1100MHz
420 GFLOPS FP32
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Arrow Lake
Architecture
Skylake
Family
Core Ultra Series 2
Family
Core 7th 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
Kaby Lake-U
-
Kaby Lake-2C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/6/2025
Release Date
1/3/2017
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
14nm+
22nm (PCH Die)
-
-
Die Size
Unknown
44 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
Die Size
103 mm²
50 mm² (PCH Die)
-
-
Transistor Count
Unknown
-
-
-
Transistor Count
1.8 Billion
-
-
-
16 Cores
6 P-Cores
8 M-Cores
2 E-Cores
2 Cores
-
-
-
16 Threads
6 P-Threads
8 M-Cores
2 E-Threads
4 Threads
-
-
-
P-Core
2GHz
5.1GHz Boost
-
-
2.6GHz
3.5GHz Boost
-
M-Core
1.5GHz
-
-
-
-
E-Core
700MHz
2.5GHz Boost
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Integrated Chipset
-
Type
OPI
-
-
-
-
-
-
-
-
-
-
Transfer Rate
4GT/s
-
-
-
-
-
-
Lanes
4
-
-
Bandwidth
2GB/s
-
-
Bi-directional
4GB/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/Core
8-way set associative
-
-
-
-
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
3072KB/Core
10-way set associative
-
-
-
-
-
-
-
-
8MB Shared (E-Core)
16-way set associative
L2
256KB/Core
4-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
18MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
3MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
128GB
Max Memory
32GB
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
1067MHz
Transfer Rate
2133MT/s
Bandwidth/Channel
67.2GB/s
Bandwidth
134.4GB/s
Bandwidth/Channel
17.1GB/s
Bandwidth
34.1GB/s
TDP
28W
20W cTDP Down
-
115W Peak
TDP
15W
8W cTDP Down
25W cTDP Up
-
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 3.0 x12 Lanes
Arc 140T 2250MHz
1024 Shaders
2250MHz
4.61 TFLOPS FP32
HD 620 1100MHz
192 Shaders
1100MHz
420 GFLOPS FP32
AI Boost 3
No NPU
-
-
2 Cores
-
-
13 TOPS INT8
-
-
-
-
-
No Cellular
No Cellular
Change Comparison