Intel Core i7 1255U vs Intel Core Ultra 5 134U

VS

Intel Core i7 1255U Intel Core Ultra 5 134U

We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core Ultra 5 134U with 12 cores 0.7GHz . 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

Integrated graphics card

Higher base frequency (1.7GHz vs 0.7GHz)

Intel Core Ultra 5 134U 's Advantages

Released 1 years and 10 months late

Higher specification of memory (LPDDR5-6400 vs LPDDR5-5200)

Larger memory bandwidth (102.4GB/s vs 76.8GB/s)

Newer PCIe version (4 vs 4.0)

More modern manufacturing process (7nm vs 10nm)

Lower TDP (9W vs 12W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 1255U +4%

2248

Intel Core Ultra 5 134U

2146

Geekbench 6 Multi Core

Intel Core i7 1255U

7162

Intel Core Ultra 5 134U +19%

8540

Intel Core i7 1255U

VS

Intel Core Ultra 5 134U

General Parameters

Feb 2022

Release Date

Dec 2023

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

-

Alder Lake

Core Architecture

Meteor Lake

i7-1255U

Processor Number

-

BGA-1744

Socket

Intel BGA 2551

Iris Xe Graphics (96EU)

Integrated Graphics

Arc Xe-LPG 64EU

-

Generation

Ultra 5 (Meteor Lake)

Package

10 nm

Manufacturing Process

7 nm

BGA-1744

Socket

Intel BGA 2551

12-15 W

Power Consumption

9 W

55 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

-

Foundry

Intel

-

Package

FC-BGA

CPU Performance

2

Performance Cores

2

4

Performance Core Threads

4

1.7 GHz

Performance Core Base Frequency

0.7 GHz

4.7 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Efficiency Cores

10

8

Efficiency Core Threads

10

1.2 GHz

Efficiency Core Base Frequency

500 MHz

3.5 GHz

Efficiency Core Turbo Frequency

3.6 GHz

10

Total Core Count

12

Total Thread Count

14

100 MHz

Bus Frequency

100 MHz

17x

Multiplier

7.0

80 K per core

L1 Cache

112 KB per core

1280 K per core

L2 Cache

2 MB per core

12 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

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

Memory Types

LPDDR5-6400

64 GB

Max Memory Size

-

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

102.4 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1250 MHz

GPU Max Dynamic Frequency

-

768

Shader Units

-

48

Texture Units

-

24

Raster Operation Units

-

96

Execution Units

-

15 W

Power Consumption

-

1.69 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 1255U

Official Website

Intel Core Ultra 5 134U

4.0

PCIe Version

4

20

PCIe Lanes

8

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