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AMD Ryzen 5 3550H vs Ryzen 5 3450U

We compared two 4-core laptop CPUs: the 2.1 GHz AMD Ryzen 5 3550H against the 2.1 GHz Ryzen 5 3450U. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 3450U and 3550H
Advantages of AMD Ryzen 5 3550H
  • 6% higher Turbo Boost frequency (3.7 GHz vs 3.5 GHz)
Advantages of AMD Ryzen 5 3450U
  • Newer - released 1-year later


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of AMD Ryzen 5 3550H and Ryzen 5 3450U


Vendor AMD AMD
Released January 6, 2019 January 1, 2020
Type Laptop Laptop
Codename Zen+ Zen+
Socket FP5 FP5
Integrated GPU Radeon Vega 8 Radeon Vega 8


Cores 4 4
Threads 8 8
Base Frequency 2.1 GHz 2.1 GHz
Turbo Boost Frequency 3.7 GHz 3.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 21x 21x
L1 Cache 128K (per core) 96K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 4MB (shared) 4MB (shared)
Unlocked Multiplier No No


Transistors 4.9 billions -
Fabrication process 12 nm 12 nm
TDP 35 W 12-35 W
Max. temperature 105°C 105°C

Memory support

Memory types DDR4-2400 DDR4-2400
Memory Size 32 GB 32 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 35.76 GB/s -
ECC Support Yes -


Official site AMD Ryzen 5 3550H official page AMD Ryzen 5 3450U official page
PCI Express Version 3.0 3.0
PCI Express Lanes 12 12

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So which CPU will you choose: AMD Ryzen 5 3450U or Ryzen 5 3550H?