AMD Ryzen 7 7840U vs Intel Core i7 1355U

VS

We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and Intel Core i7 1355U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840U 's Advantages

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs LPDDR5-6400)

Higher base frequency (3.3GHz vs 1.7GHz)

Larger L3 cache size (16MB vs 12MB)

Intel Core i7 1355U 's Advantages

Lower TDP (12W vs 15W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840U

1771

Intel Core i7 1355U +1%

1806

Cinebench R23 Multi Core

AMD Ryzen 7 7840U +39%

12992

Intel Core i7 1355U

9334

Geekbench 6 Single Core

AMD Ryzen 7 7840U

2401

Intel Core i7 1355U

2379

Geekbench 6 Multi Core

AMD Ryzen 7 7840U +38%

10983

Intel Core i7 1355U

7945

Blender

AMD Ryzen 7 7840U +107%

234

Intel Core i7 1355U

113

Geekbench 5 Single Core

AMD Ryzen 7 7840U +11%

1907

Intel Core i7 1355U

1709

Geekbench 5 Multi Core

AMD Ryzen 7 7840U +23%

10387

Intel Core i7 1355U

8398

AMD Ryzen 7 7840U

VS

Intel Core i7 1355U

General Parameters

May 2023

Release Date

Jan 2023

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Raptor Lake

-

Processor Number

i7-1355U

FP8

Socket

BGA-1744

Radeon 780M

Integrated Graphics

Iris Xe Graphics (96EU)

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

FP8

Socket

BGA-1744

15-30 W

Power Consumption

12-15 W

-

Max Turbo Power Consumption

55 W

100°C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

3.3 GHz

Performance Core Base Frequency

1.7 GHz

5.1 GHz

Performance Core Turbo Frequency

5 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1.2 GHz

-

Efficiency Core Turbo Frequency

3.7 GHz

8

Total Core Count

10

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

17x

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

1280 K per core

16 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267

256 GB

Max Memory Size

96 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

1300 MHz

768

Shader Units

768

48

Texture Units

48

32

Raster Operation Units

24

12

Execution Units

96

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

AMD Ryzen 7 7840U

Official Website

Intel Core i7 1355U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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