Intel Core Ultra 7 270K Plus vs Intel Core i7 1255U
CPU · Specs Compare
General Parameters
Release Date
Mar 2026
Feb 2022
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Alder Lake
Processor Number
270K+
i7-1255U
Integrated Graphics
Arc iGPU (4-Cores)
Iris Xe Graphics (96EU)
Package
Transistor Count
17.8 billions
—
Manufacturing Process
3 nm
10 nm
Socket
FCLGA-1851
BGA-1744
Power Consumption
125 W
12-15 W
Max Turbo Power Consumption
250 W
55 W
Peak Operating Temperature
105 °C
100°C
CPU Performance
Performance Cores
8
2
Performance Core Threads
8
4
Performance Core Base Frequency
3.7 GHz
1.7 GHz
Performance Core Turbo Frequency
5.4 GHz
4.7 GHz
Efficiency Cores
16
8
Efficiency Core Threads
16
8
Efficiency Core Base Frequency
3.2 GHz
1.2 GHz
Efficiency Core Turbo Frequency
4.7 GHz
3.5 GHz
Total Core Count
24
10
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
37
17x
L1 Cache
192 K per core
80 K per core
L2 Cache
3 MB per core
1280 K per core
L3 Cache
36 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-7200
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
256 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
115.2 GB/s
76.8 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
2000 MHz
1250 MHz
Shader Units
512
768
Texture Units
32
48
Raster Operation Units
16
24
Execution Units
64
96
Power Consumption
14
15 W
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
20
Benchmark
Cinebench R23
2,450
1,701
Cinebench R23
43,070
8,233
Geekbench 6
3,749
2,248
Geekbench 6
27,432
7,162
Cinebench 2024
145
—
Cinebench 2024
2,480
—
Cinebench 2026
10,063
—
Passmark CPU
5,081
3,308
Passmark CPU
68,825
13,792
Geekbench 5
—
1,628
Geekbench 5
—
7,372
Blender
—
125
▲ Specs Compare
Data sourced from official specifications and benchmark tests.