Home Comparison Intel Core i7 1255U vs Intel Core Ultra 5 226V

Intel Core i7 1255U vs Intel Core Ultra 5 226V

Intel Core i7 1255U
VS
Intel Core Ultra 5 226V
Intel Core i7 1255U
Intel Core Ultra 5 226V
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core Ultra 5 226V with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 1255U 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (15W vs 37W)
Intel Core Ultra 5 226V 's Advantages
Released 2 years and 7 months late
Better graphics card performance
Higher specification of memory (8533 vs 5200)
Larger memory bandwidth (136GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.1GHz vs 1.7GHz)
More modern manufacturing process (3nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1255U
1701
Intel Core Ultra 5 226V +10%
1879
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
Intel Core Ultra 5 226V +33%
11000
Geekbench 6 Single Core
Intel Core i7 1255U
2248
Intel Core Ultra 5 226V +14%
2585
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
Intel Core Ultra 5 226V +40%
10052
Intel Core i7 1255U
VS
Intel Core Ultra 5 226V

General Parameters

Feb 2022
Release Date
Sep 2024
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Lunar Lake
i7-1255U
Processor Number
226V
BGA-1744
Socket
FCBGA-2833
Iris Xe Graphics (96EU)
Integrated Graphics
Arc Graphics 130V
-
Generation
Ultra 5 (Lunar Lake)

Package

10 nm
Manufacturing Process
3 nm
12-15 W
Power Consumption
17-37 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
-
Foundry
Intel

CPU Performance

2
Performance Cores
4
4
Performance Core Threads
4
1.7 GHz
Performance Core Base Frequency
2.1 GHz
4.7 GHz
Performance Core Turbo Frequency
4.5 GHz
8
Efficiency Cores
4
8
Efficiency Core Threads
4
1.2 GHz
Efficiency Core Base Frequency
2.1 GHz
3.5 GHz
Efficiency Core Turbo Frequency
3.5 GHz
10
Total Core Count
8
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
21
-
L0 Cache
48 KB per core
80 K per core
L1 Cache
192 K per core
1280 K per core
L2 Cache
14 MB
12 MB shared
L3 Cache
8 MB
No
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
LPDDR5X-8533
64 GB
Max Memory Size
16 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
136 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
600 MHz
1250 MHz
GPU Max Dynamic Frequency
1850 MHz
768
Shader Units
896
48
Texture Units
24
Raster Operation Units
96
Execution Units
7
15 W
Power Consumption
1.69 TFLOPS
Graphics Performance
3.32 TFLOPS

AI Accelerator

-
NPU
Intel® AI Boost
-
Theoretical performance
40 TOPS

Miscellaneous

Intel Core i7 1255U
Official Website
Intel Core Ultra 5 226V
4.0
PCIe Version
5.0
20
PCIe Lanes
4

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