AMD Ryzen 7 7840HS vs AMD Ryzen 9 Pro 9945
CPU · Specs Compare
General Parameters
Release Date
Apr 2023
Jan 2026
Manufacturer
Amd
Amd
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Zen 5 (Granite Ridge)
Integrated Graphics
Radeon 780M
Radeon Graphics
Processor Number
—
9945
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
4 nm
Socket
FP8
AM5
Power Consumption
35-54 W
65 W
Peak Operating Temperature
100 °C
95 °C
CPU Performance
Performance Cores
8
12
Performance Core Threads
16
24
Performance Core Base Frequency
3.8 GHz
3.4 GHz
Performance Core Turbo Frequency
5.1 GHz
5.4 GHz
Total Core Count
8
12
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
38
34
L1 Cache
64 K per core
80 K per core
L2 Cache
8 MB
1 MB per core
L3 Cache
16 MB
64 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR5-5600
Max Memory Size
256 GB
—
Max Memory Channels
2
—
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
Yes
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 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
15
Max Resolution
7680x4320 - 60 Hz
—
AI Accelerator
NPU
AMD Ryzen™ AI
—
Theoretical performance
10 TOPS
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
28
Benchmark
Geekbench 6
2,575
3,284
Geekbench 6
12,085
16,188
Cinebench R23
—
2,117
Cinebench R23
—
19,948
Cinebench 2024
—
135
Cinebench 2024
—
1,230
▲ Specs Compare
Data sourced from official specifications and benchmark tests.