Home Comparison AMD Ryzen 7 7840HS vs AMD Ryzen 9 7940HX

AMD Ryzen 7 7840HS vs AMD Ryzen 9 7940HX

AMD Ryzen 7 7840HS
VS
AMD Ryzen 9 7940HX
AMD Ryzen 7 7840HS
AMD Ryzen 9 7940HX
We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . 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 2.4GHz)
More modern manufacturing process (4nm vs 5nm)
Lower TDP (54W vs 55W)
AMD Ryzen 9 7940HX 's Advantages
Released 9 months late
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 7940HX +5%
1864
Cinebench R23 Multi Core
AMD Ryzen 7 7840HS
16477
AMD Ryzen 9 7940HX +102%
33370
Geekbench 6 Single Core
AMD Ryzen 7 7840HS
2575
AMD Ryzen 9 7940HX +4%
2688
Geekbench 6 Multi Core
AMD Ryzen 7 7840HS
12085
AMD Ryzen 9 7940HX +29%
15655
Blender
AMD Ryzen 7 7840HS
267
AMD Ryzen 9 7940HX +115%
575
AMD Ryzen 7 7840HS
VS
AMD Ryzen 9 7940HX

General Parameters

Apr 2023
Release Date
Jan 2024
Amd
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Zen 4 (Dragon Range)
FP8
Socket
AMD Socket FL1
Radeon 780M
Integrated Graphics
Radeon 610M

Package

25 billions
Transistor Count
13.14 billions
4 nm
Manufacturing Process
5 nm
35-54 W
Power Consumption
55 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

8
Performance Cores
16
16
Performance Core Threads
32
3.8 GHz
Performance Core Base Frequency
2.4 GHz
5.1 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Total Core Count
16
16
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
38
Multiplier
24
64 K per core
L1 Cache
64 K per core
8 MB
L2 Cache
1 MB per core
16 MB
L3 Cache
64 MB
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
-

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
400 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
0.563 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 7 7840HS
Official Website
4.0
PCIe Version
5.0
20
PCIe Lanes
28

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