Intel Core i7 1255U vs Intel Core Ultra 5 135U

VS

Intel Core i7 1255U Intel Core Ultra 5 135U

We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core Ultra 5 135U with 12 cores 1.6GHz . 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

Higher base frequency (1.7GHz vs 1.6GHz)

Lower TDP (12W vs 12W)

Intel Core Ultra 5 135U 's Advantages

Released 1 years and 10 months late

Better graphics card performance

Higher specification of memory (LPDDR5-7467 vs LPDDR5-5200)

Larger memory bandwidth (120GB/s vs 76.8GB/s)

More modern manufacturing process (7nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1255U

1656

Intel Core Ultra 5 135U +1%

1677

Cinebench R23 Multi Core

Intel Core i7 1255U

8369

Intel Core Ultra 5 135U +3%

8664

Geekbench 6 Single Core

Intel Core i7 1255U +6%

2248

Intel Core Ultra 5 135U

2111

Geekbench 6 Multi Core

Intel Core i7 1255U

7162

Intel Core Ultra 5 135U +21%

8704

Passmark CPU Single Core

Intel Core i7 1255U

3308

Intel Core Ultra 5 135U +7%

3553

Passmark CPU Multi Core

Intel Core i7 1255U

13792

Intel Core Ultra 5 135U +31%

18138

Intel Core i7 1255U

VS

Intel Core Ultra 5 135U

General Parameters

Feb 2022

Release Date

Dec 2023

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Meteor Lake

i7-1255U

Processor Number

135U

BGA-1744

Socket

FCBGA-2049

Iris Xe Graphics (96EU)

Integrated Graphics

Arc Graphics (4-Cores)

-

Generation

Ultra 5 (Meteor Lake)

Package

10 nm

Manufacturing Process

7 nm

BGA-1744

Socket

FCBGA-2049

12-15 W

Power Consumption

12-57 W

55 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

110°C

-

Foundry

Intel

-

Package

FC-BGA

CPU Performance

2

Performance Cores

2

4

Performance Core Threads

4

1.7 GHz

Performance Core Base Frequency

1.6 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

1.1 GHz

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

16x

80 K per core

L1 Cache

112 K 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

LPDDR5-7467, LPDDR5x-7467, DDR5-5600

64 GB

Max Memory Size

96 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

120 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

-

1250 MHz

GPU Max Dynamic Frequency

1900 MHz

768

Shader Units

64

48

Texture Units

4

24

Raster Operation Units

2

96

Execution Units

4

15 W

Power Consumption

-

Max Resolution

7680x4320 - 60 Hz

1.69 TFLOPS

Graphics Performance

2.24 TFLOPS

Miscellaneous

Intel Core i7 1255U

Official Website

Intel Core Ultra 5 135U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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