Intel Core i7 1255U vs AMD Ryzen 3 8440U

VS

We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and AMD Ryzen 3 8440U with 4 cores 3.0GHz . 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 (12W vs 15W)

AMD Ryzen 3 8440U's Advantages

Released 1 years and 10 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs LPDDR5-5200)

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Higher base frequency (3.0GHz vs 1.7GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1255U

1656

AMD Ryzen 3 8440U +2%

1704

Cinebench R23 Multi Core

Intel Core i7 1255U

8369

AMD Ryzen 3 8440U +7%

9032

Geekbench 6 Single Core

Intel Core i7 1255U

2248

AMD Ryzen 3 8440U +3%

2333

Geekbench 6 Multi Core

Intel Core i7 1255U +9%

7162

AMD Ryzen 3 8440U

6557

Intel Core i7 1255U

VS

AMD Ryzen 3 8440U

General Parameters

Feb 2022

Release Date

Dec 2023

Intel

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Zen 4 (Hawk Point)

i7-1255U

Processor Number

-

BGA-1744

Socket

FP7

Iris Xe Graphics (96EU)

Integrated Graphics

Radeon 740M

-

Generation

Ryzen 3 (Zen 4 (Hawk Point))

Package

-

Transistor Count

20.9 billions

10 nm

Manufacturing Process

4 nm

BGA-1744

Socket

FP7

12-15 W

Power Consumption

15-30 W

55W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100°C

-

Foundry

TSMC

-

Die Size

137 mm²

-

Package

FP7, FP7r2

CPU Performance

2

Performance Cores

4

Performance Core Threads

8

1.7 GHz

Performance Core Base Frequency

3.0 GHz

4.7 GHz

Performance Core Turbo Frequency

4.7 GHz

8

Efficiency Cores

3

8

Efficiency Core Threads

6

1.2 GHz

Efficiency Core Base Frequency

-

3.5 GHz

Efficiency Core Turbo Frequency

-

10

Total Core Count

4

12

Total Thread Count

8

100MHz

Bus Frequency

100MHz

17x

Multiplier

30x

80K per core

L1 Cache

64K per core

1280K per core

L2 Cache

1MB per core

12MB shared

L3 Cache

8MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

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

Memory Types

DDR5-5600, LPDDR5x-7500

64GB

Max Memory Size

256GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

300 MHz

GPU Base Frequency

1500 MHz

1250 MHz

GPU Max Dynamic Frequency

2400 MHz

768

Shader Units

256

48

Texture Units

16

24

Raster Operation Units

8

96

Execution Units

4

15 W

Power Consumption

15 W

1.69 TFLOPS

Graphics Performance

2.56 TFLOPS

Miscellaneous

Intel Core i7 1255U

Official Website

AMD Ryzen 3 8440U

4.0

PCIe Version

4.0

20

PCIe Lanes

14

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