Intel Core Ultra 5 115U vs Intel Core i7 1255U

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Intel Core Ultra 5 115U

Intel Core i7 1255U

We compared two laptop CPUs: Intel Core Ultra 5 115U with 8 cores 1.5GHz 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 5 115U 's Advantages

Released 1 years and 10 months late

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

Integrated graphics card

Newer PCIe version (4.0 vs 4)

Higher base frequency (1.7GHz vs 1.5GHz)

Larger L3 cache size (12MB vs 10MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core Ultra 5 115U

1616

Intel Core i7 1255U +39%

2248

Geekbench 6 Multi Core

Intel Core Ultra 5 115U

5338

Intel Core i7 1255U +34%

7162

Intel Core Ultra 5 115U

VS

Intel Core i7 1255U

General Parameters

Dec 2023

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Meteor Lake

Core Architecture

Alder Lake

-

Processor Number

i7-1255U

Intel BGA 2049

Socket

BGA-1744

Arc Xe-LPG 48EU

Integrated Graphics

Iris Xe Graphics (96EU)

Ultra 5 (Meteor Lake)

Generation

-

Package

7 nm

Manufacturing Process

10 nm

15 W

Power Consumption

12-15 W

-

Max Turbo Power Consumption

55 W

-

Peak Operating Temperature

100°C

Intel

Foundry

-

CPU Performance

2

Performance Cores

2

4

Performance Core Threads

4

1.5 GHz

Performance Core Base Frequency

1.7 GHz

4.2 GHz

Performance Core Turbo Frequency

4.7 GHz

6

Efficiency Cores

8

6

Efficiency Core Threads

8

1000 MHz

Efficiency Core Base Frequency

1.2 GHz

3.5 GHz

Efficiency Core Turbo Frequency

3.5 GHz

8

Total Core Count

10

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

15.0

Multiplier

17x

112 KB per core

L1 Cache

80 K per core

2 MB per core

L2 Cache

1280 K per core

10 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

LPDDR5X-7467,DDR5-5600

Memory Types

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267

-

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

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1250 MHz

-

Shader Units

768

-

Texture Units

48

-

Raster Operation Units

24

-

Execution Units

96

-

Power Consumption

15 W

-

Graphics Performance

1.69 TFLOPS

Miscellaneous

Intel Core Ultra 5 115U

Official Website

Intel Core i7 1255U

4

PCIe Version

4.0

12

PCIe Lanes

20

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