Home Comparison Intel Core Ultra 7 155U vs Intel Core i7 1255U

Intel Core Ultra 7 155U vs Intel Core i7 1255U

Intel Core Ultra 7 155U
VS
Intel Core i7 1255U
Intel Core Ultra 7 155U
Intel Core i7 1255U
We compared two laptop CPUs: Intel Core Ultra 7 155U with 12 cores 1.7GHz and Intel Core i7 1255U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 155U 's Advantages
Released 1 years and 10 months late
Better graphics card performance
Higher specification of memory (7467 vs 5200)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
More modern manufacturing process (7nm vs 10nm)
Intel Core i7 1255U 's Advantages
Lower TDP (15W vs 57W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core Ultra 7 155U +1%
1724
Intel Core i7 1255U
1701
Cinebench R23 Multi Core
Intel Core Ultra 7 155U +15%
9526
Intel Core i7 1255U
8233
Geekbench 6 Single Core
Intel Core Ultra 7 155U +2%
2299
Intel Core i7 1255U
2248
Geekbench 6 Multi Core
Intel Core Ultra 7 155U +27%
9138
Intel Core i7 1255U
7162
Blender
Intel Core Ultra 7 155U +12%
140
Intel Core i7 1255U
125
Intel Core Ultra 7 155U
VS
Intel Core i7 1255U

General Parameters

Dec 2023
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Meteor Lake
Core Architecture
Alder Lake
155U
Processor Number
i7-1255U
FCBGA-2049
Socket
BGA-1744
Arc Graphics (4-Cores)
Integrated Graphics
Iris Xe Graphics (96EU)

Package

7 nm
Manufacturing Process
10 nm
12-57 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
110°C
Peak Operating Temperature
100°C

CPU Performance

2
Performance Cores
2
4
Performance Core Threads
4
1.7 GHz
Performance Core Base Frequency
1.7 GHz
4.8 GHz
Performance Core Turbo Frequency
4.7 GHz
10
Efficiency Cores
8
10
Efficiency Core Threads
8
1.2 GHz
Efficiency Core Base Frequency
1.2 GHz
3.8 GHz
Efficiency Core Turbo Frequency
3.5 GHz
12
Total Core Count
10
14
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
17x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1280 K per core
12 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

LPDDR5-7467, LPDDR5x-7467, DDR5-5600
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
96 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
120 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
1950 MHz
GPU Max Dynamic Frequency
1250 MHz
64
Shader Units
768
4
Texture Units
48
2
Raster Operation Units
24
4
Execution Units
96
-
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
-
2.24 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

Intel Core Ultra 7 155U
Official Website
Intel Core i7 1255U
4.0
PCIe Version
4.0
20
PCIe Lanes
20

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