AMD Ryzen 9 7845HX vs AMD Ryzen 9 4900HS

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We compared two laptop CPUs: AMD Ryzen 9 7845HX with 12 cores 3.0GHz and AMD Ryzen 9 4900HS with 8 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7845HX 's Advantages

Released 2 years and 10 months late

Larger memory bandwidth (83.2GB/s vs 68.27GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (5nm vs 7nm)

AMD Ryzen 9 4900HS 's Advantages

Higher specification of memory (LPDDR4X-4266 vs DDR5-5200)

Lower TDP (35W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7845HX +50%

1886

AMD Ryzen 9 4900HS

1252

Cinebench R23 Multi Core

AMD Ryzen 9 7845HX +160%

26842

AMD Ryzen 9 4900HS

10320

Geekbench 6 Single Core

AMD Ryzen 9 7845HX +84%

2600

AMD Ryzen 9 4900HS

1407

Geekbench 6 Multi Core

AMD Ryzen 9 7845HX +158%

12851

AMD Ryzen 9 4900HS

4967

Blender

AMD Ryzen 9 7845HX +128%

379

AMD Ryzen 9 4900HS

166

Geekbench 5 Single Core

AMD Ryzen 9 7845HX +75%

2052

AMD Ryzen 9 4900HS

1166

Geekbench 5 Multi Core

AMD Ryzen 9 7845HX +134%

16693

AMD Ryzen 9 4900HS

7120

AMD Ryzen 9 7845HX

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AMD Ryzen 9 4900HS

General Parameters

Jan 2023

Release Date

Mar 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Zen 2

FL1

Socket

FP6

Radeon 610M

Integrated Graphics

Radeon Vega 8

Package

5 nm

Manufacturing Process

7 nm

FL1

Socket

FP6

45-75 W

Power Consumption

35 W

100°C

Peak Operating Temperature

105 °C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.0 GHz

Performance Core Base Frequency

3.0 GHz

5.2 GHz

Performance Core Turbo Frequency

4.3 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

30x

64 K per core

L1 Cache

-

1 MB per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200, LPDDR4X-4266

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

68.27 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

1750 MHz

128

Shader Units

512

8

Texture Units

32

4

Raster Operation Units

8

2

Execution Units

-

15 W

Power Consumption

15 W

0.49 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 7845HX

Official Website

AMD Ryzen 9 4900HS

5.0

PCIe Version

3.0

28

PCIe Lanes

16

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