AMD Ryzen 9 Pro 9945 vs AMD Ryzen 7 8840U
CPU Specs Compare
General Parameters
Release Date
Jan 2026
Dec 2023
Manufacturer
Amd
AMD
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Zen 4 (Hawk Point)
Processor Number
9945
-
Integrated Graphics
Radeon Graphics
Radeon 780M
Generation
-
Ryzen 7 (Zen 4 (Hawk Point))
Package
Manufacturing Process
4 nm
4 nm
Socket
AM5
FP8
Power Consumption
65 W
15-30 W
Peak Operating Temperature
95 °C
100°C
Transistor Count
-
25 billions
Foundry
-
TSMC
Die Size
-
178 mm²
Package
-
FP8, FP7, FP7r2
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.4 GHz
3.3 GHz
Performance Core Turbo Frequency
5.4 GHz
5.1 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
34
33x
L1 Cache
80 K per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
64 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
-
1
Memory Parameters
Memory Types
DDR5-5600
DDR5-5600, LPDDR5x-7500
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Max Memory Size
-
256 GB
Max Memory Channels
-
2
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
1500 MHz
GPU Max Dynamic Frequency
2200 MHz
2700 MHz
Shader Units
128
768
Texture Units
8
48
Raster Operation Units
4
32
Execution Units
2
12
Power Consumption
15
15 W
Max Resolution
-
7680x4320 - 60 Hz
📊 Benchmark
Cinebench R23
2,117
1,780
Cinebench R23
19,948
12,815
Geekbench 6
3,284
2,468
Geekbench 6
16,188
11,498
Cinebench 2024
135
-
Cinebench 2024
1,230
-
Blender
-
171