AMD Ryzen 7 7840HS vs AMD Ryzen 9 7945HX

VS

AMD Ryzen 7 7840HS

AMD Ryzen 9 7945HX

We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 9 7945HX with 16 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840HS 's Advantages

Better graphics card performance

Higher specification of memory (7500 vs 5200)

Larger memory bandwidth (89.6GB/s vs 83.2GB/s)

Higher base frequency (3.8GHz vs 2.5GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (54W vs 75W)

AMD Ryzen 9 7945HX 's Advantages

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840HS

1768

AMD Ryzen 9 7945HX +10%

1950

Cinebench R23 Multi Core

AMD Ryzen 7 7840HS

16477

AMD Ryzen 9 7945HX +103%

33542

Geekbench 6 Single Core

AMD Ryzen 7 7840HS

2575

AMD Ryzen 9 7945HX +12%

2906

Geekbench 6 Multi Core

AMD Ryzen 7 7840HS

12085

AMD Ryzen 9 7945HX +60%

19413

Cinebench 2024 Single Core

AMD Ryzen 7 7840HS

102

AMD Ryzen 9 7945HX +11%

114

Cinebench 2024 Multi Core

AMD Ryzen 7 7840HS

866

AMD Ryzen 9 7945HX +92%

1669

Blender

AMD Ryzen 7 7840HS

267

AMD Ryzen 9 7945HX +87%

501

Geekbench 5 Single Core

AMD Ryzen 7 7840HS

1915

AMD Ryzen 9 7945HX +9%

2095

Geekbench 5 Multi Core

AMD Ryzen 7 7840HS

11238

AMD Ryzen 9 7945HX +73%

19488

Passmark CPU Single Core

AMD Ryzen 7 7840HS

3785

AMD Ryzen 9 7945HX +7%

4076

Passmark CPU Multi Core

AMD Ryzen 7 7840HS

28911

AMD Ryzen 9 7945HX +90%

55213

AMD Ryzen 7 7840HS

VS

AMD Ryzen 9 7945HX

General Parameters

Apr 2023

Release Date

Jan 2023

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Dragon Range)

FP8

Socket

FL1

Radeon 780M

Integrated Graphics

Radeon 610M

Package

25 billions

Transistor Count

13.1 billions

4 nm

Manufacturing Process

5 nm

35-54 W

Power Consumption

55-75 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

16

Performance Core Threads

32

3.8 GHz

Performance Core Base Frequency

2.5 GHz

5.1 GHz

Performance Core Turbo Frequency

5.4 GHz

8

Total Core Count

16

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

38

Multiplier

25x

64 K per core

L1 Cache

64 K per core

8 MB

L2 Cache

1 MB per core

16 MB

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5200

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

1500 MHz

2700 MHz

GPU Max Dynamic Frequency

2200 MHz

768

Shader Units

128

48

Texture Units

8

32

Raster Operation Units

4

12

Execution Units

2

15

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

4.15 TFLOPS

Graphics Performance

0.49 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

10 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 7 7840HS

Official Website

AMD Ryzen 9 7945HX

4.0

PCIe Version

5.0

20

PCIe Lanes

28

Related CPU Comparisons

1

AMD Ryzen 7 7840HS vs AMD Ryzen 5 7235H

2

AMD Ryzen 7 7840HS vs Intel Core i5 1145G7

3

AMD Ryzen 7 7840HS vs Intel Core i5 12450H

4

AMD Ryzen 7 7840HS vs Intel Processor N97

5

AMD Ryzen 7 7840HS vs Intel Core i9 11950H

6

AMD Ryzen 7 7840HS vs AMD Ryzen 5 5600H

7

AMD Ryzen 7 7840HS vs AMD Ryzen 9 PRO 8945HS

8

AMD Ryzen 7 7840HS vs Intel Core i5 11500H

9

AMD Ryzen 7 7840HS vs Intel Core i5 1035G7

10

AMD Ryzen 7 7840HS vs AMD Ryzen 7 7736U

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption