AMD Ryzen 5 8640U vs Intel Core i5 1235U

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We compared two laptop CPUs: AMD Ryzen 5 8640U with 6 cores 3.5GHz and Intel Core i5 1235U with 10 cores 1.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8640U'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 (3.5GHz vs 1.3GHz)

Larger L3 cache size (16MB vs 12MB)

Lower TDP (15W vs 15W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8640U +8%

1769

Intel Core i5 1235U

1625

Cinebench R23 Multi Core

AMD Ryzen 5 8640U +69%

11123

Intel Core i5 1235U

6564

Geekbench 6 Single Core

AMD Ryzen 5 8640U +13%

2419

Intel Core i5 1235U

2123

Geekbench 6 Multi Core

AMD Ryzen 5 8640U +56%

10350

Intel Core i5 1235U

6631

AMD Ryzen 5 8640U

VS

Intel Core i5 1235U

General Parameters

Dec 2023

Release Date

Feb 2022

Amd

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Hawk Point

Core Architecture

Alder Lake-U

-

Processor Number

i5-1235U

FP7

Socket

BGA-1744

Radeon 760M

Integrated Graphics

Iris Xe Graphics (80EU)

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

FP7

Socket

BGA-1744

15-30 W

Power Consumption

15 W

100°C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

6

Performance Cores

2

12

Performance Core Threads

-

3.5 GHz

Performance Core Base Frequency

1.3 GHz

4.9 GHz

Performance Core Turbo Frequency

4.4 GHz

-

Efficiency Cores

8

6

Total Core Count

10

12

Total Thread Count

12

100MHz

Bus Frequency

100MHz

35x

Multiplier

13x

64K per core

L1 Cache

80K per core

1MB per core

L2 Cache

1280K per core

16MB shared

L3 Cache

12MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

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

256GB

Max Memory Size

64GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

1500 MHz

GPU Base Frequency

300 MHz

2600 MHz

GPU Max Dynamic Frequency

1200 MHz

384

Shader Units

640

24

Texture Units

40

16

Raster Operation Units

20

6

Execution Units

80

15 W

Power Consumption

15 W

4.06 TFLOPS

Graphics Performance

1.41 TFLOPS

Miscellaneous

AMD Ryzen 5 8640U

Official Website

Intel Core i5 1235U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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