Intel Core Ultra 7 255HX
vs
Intel Core 9 270H
vs
CPU Comparison Result
Below are the results of a comparison of
Intel Core Ultra 7 255HX
and
Intel Core 9 270H
processors based on key performance characteristics, as well as power consumption and much more.
Advantages
- More Total Cores: 20 (20 vs 14)
- Higher Technology: 3 nm (3 nm vs 10 nm)
- Newer Launch Date: January 2025 (January 2025 vs December 2024)
- Higher Performance-core Max Turbo Frequency: 5.8 GHz (5.2 GHz vs 5.8 GHz)
Basic
Intel
Label Name
Intel
January 2025
Launch Date
December 2024
Laptop
Platform
Laptop
Core Ultra 7 255HX
Model Name
Core 9 270H
Arrow Lake
Code Name
Raptor Lake-H
Intel
Foundry
Intel
Ultra 7 (Arrow Lake)
Generation
Core 9(Raptor Lake-H Refresh)
CPU Specifications
20
Total Cores
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
14
20
Total Threads
20
8
Performance-cores
6
12
Efficient-cores
8
2.4 GHz
Performance-core Base Frequency
2.7 GHz
1.8 GHz
Efficient-core Base Frequency
2000 MHz
4.5 GHz
Efficient-core Max Turbo Frequency
4.1 GHz
5.2 GHz
Performance-core Max Turbo Frequency
5.8 GHz
112 KB per core
L1 Cache
80 KB per core
23 MB
L2 Cache
2 MB per core
24 MB shared
L3 Cache
24 MB shared
100 MHz
Bus Frequency
100 MHz
Intel Socket 1851
CPU Socket
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
Intel BGA 1744
24
Multiplier
27.0
No
Unlocked Multiplier
No
3 nm
Technology
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
10 nm
17-55 W
TDP
45 W
100 °C
Max. Operating Temperature
Junction Temperature is the maximum temperature allowed at the processor die.
100°C
5
PCIe Version
PCI Express is a high-speed serial computer expansion bus standard used for connecting high-speed components, replacing older standards such as AGP, PCI, and PCI-X. It has gone through multiple revisions and improvements since its initial release. PCIe 1.0 was first introduced in 2002, and in order to meet the growing demand for higher bandwidth, subsequent versions have been released over time.
5
Memory Specifications
DDR5-6400
Memory Type
DDR4-3200, DDR5-5200
256 GB
Max Memory Size
Max memory size refers to the maximum memory capacity supported by the processor.
-
2
Memory Channels
The number of memory channels refers to the bandwidth operation for real world application.
2
102.4 GB/s
Max Memory Bandwidth
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
83.2 GB/s
Yes
ECC Memory Support
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
No
GPU Specifications
Intel® Graphics
Integrated Graphics Model
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
Intel® Graphics
1900 MHz
GPU Max Dynamic Frequency
-
64
Execution Units
-
Interfaces and Ports
-
PCIe Lanes
8
Benchmarks
Geekbench 6 Single Core
Core Ultra 7 255HX
2571
Core 9 270H
2634
+2%
Geekbench 6 Multi Core
Core Ultra 7 255HX
14247
+8%
Core 9 270H
13222
Passmark CPU Single Core
Core Ultra 7 255HX
4816
+17%
Core 9 270H
4125
Passmark CPU Multi Core
Core Ultra 7 255HX
56989
+94%
Core 9 270H
29424
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