AMD Ryzen 5 3450U vs Intel Core i7 8705G

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We compared two laptop CPUs: AMD Ryzen 5 3450U with 4 cores 2.1GHz and Intel Core i7 8705G with 4 cores 3.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 3450U 's Advantages

Released 2 years late

Integrated graphics card

Larger memory bandwidth (38.4GB/s vs 37.5GB/s)

Intel Core i7 8705G 's Advantages

Higher base frequency (3.1GHz vs 2.1GHz)

Larger L3 cache size (8MB vs 4MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 3450U

886

Intel Core i7 8705G +25%

1116

Cinebench R23 Multi Core

AMD Ryzen 5 3450U

3181

Intel Core i7 8705G +54%

4907

Geekbench 6 Single Core

AMD Ryzen 5 3450U

961

Intel Core i7 8705G +15%

1106

Geekbench 6 Multi Core

AMD Ryzen 5 3450U

2403

Intel Core i7 8705G +29%

3101

Geekbench 5 Single Core

AMD Ryzen 5 3450U

768

Intel Core i7 8705G +32%

1020

Geekbench 5 Multi Core

AMD Ryzen 5 3450U

2495

Intel Core i7 8705G +54%

3854

Passmark CPU Single Core

AMD Ryzen 5 3450U

1914

Intel Core i7 8705G +17%

2256

Passmark CPU Multi Core

AMD Ryzen 5 3450U

6726

Intel Core i7 8705G +15%

7755

AMD Ryzen 5 3450U

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Intel Core i7 8705G

General Parameters

Jan 2020

Release Date

Jan 2018

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen+

Core Architecture

Kaby Lake G

-

Processor Number

i7-8705G

FP5

Socket

BGA-2270

Radeon Vega 8

Integrated Graphics

-

Package

12 nm

Manufacturing Process

14 nm

FP5

Socket

BGA-2270

12-35 W

Power Consumption

0 W

105 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

8

2.1 GHz

Performance Core Base Frequency

3.1 GHz

3.5 GHz

Performance Core Turbo Frequency

4.1 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

21x

Multiplier

31x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

4 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400

Memory Types

DDR4-2400

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

38.4 GB/s

Max Memory Bandwidth

37.5 GB/s

-

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

2400 MHz

GPU Max Dynamic Frequency

-

512

Shader Units

-

32

Texture Units

-

8

Raster Operation Units

-

8

Execution Units

-

65 W

Power Consumption

-

3840x2160 - 60 Hz

Max Resolution

-

1.13 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 3450U

Official Website

Intel Core i7 8705G

3.0

PCIe Version

3.0

12

PCIe Lanes

8

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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