AMD Ryzen 7 8840U vs AMD Ryzen 9 8940HX
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Apr 2025
Manufacturer
AMD
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Hawk Point)
Zen 4 (Dragon Range)
Integrated Graphics
Radeon 780M
Radeon 610M
Generation
Ryzen 7 (Zen 4 (Hawk Point))
Ryzen 9 (Zen 4 (Dragon Range))
Package
Transistor Count
25 billions
13.14 billions
Manufacturing Process
4 nm
5 nm
Socket
FP8
FL1
Power Consumption
15-30 W
55 W
Peak Operating Temperature
100°C
100 °C
Foundry
TSMC
TSMC
Die Size
178 mm²
2x71 mm²
Package
FP8, FP7, FP7r2
µFC-BGAFL1
Max Turbo Power Consumption
—
75 W
I/O Process Size
—
6 nm
I/O Die Size
—
122 mm²
CPU Performance
Performance Cores
8
16
Performance Core Threads
16
32
Performance Core Base Frequency
3.3 GHz
2.4 GHz
Performance Core Turbo Frequency
5.1 GHz
5.3 GHz
Total Core Count
8
16
Total Thread Count
16
32
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
24
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
16 MB shared
64 MB shared
Unlocked Multiplier
No
Yes
SMP
1
1
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR5-5200
Max Memory Size
256 GB
—
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
—
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
1500 MHz
400 MHz
GPU Max Dynamic Frequency
2700 MHz
2200 MHz
Shader Units
768
128
Texture Units
48
8
Raster Operation Units
32
4
Execution Units
12
2
Power Consumption
15 W
15
Max Resolution
7680x4320 - 60 Hz
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
28
Benchmark
Cinebench R23
1,780
1,809
Cinebench R23
12,815
29,610
Geekbench 6
2,468
2,709
Geekbench 6
11,498
15,308
Blender
171
—
Cinebench 2024
—
112
Cinebench 2024
—
1,630
▲ Specs Compare
Data sourced from official specifications and benchmark tests.