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AMD Ryzen 5 4500U vs Ryzen 5 3450U

We compared two laptop CPUs: the 2.3 GHz AMD Ryzen 5 4500U with 6-cores against the 2.1 GHz Ryzen 5 3450U with 4-cores. 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 4500U
Advantages of AMD Ryzen 5 4500U
  • Consumes up to 57% less energy than the Ryzen 5 3450U – 15 vs 35 Watt
  • Has 4 MB larger L3 cache size
  • Supports up to 64 GB DDR4-3200 RAM
  • More modern manufacturing process – 7 versus 12 nanometers
  • Has 2 more physical cores
  • 14% higher Turbo Boost frequency (4 GHz vs 3.5 GHz)


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 4500U and Ryzen 5 3450U


Vendor AMD AMD
Released January 6, 2020 January 1, 2020
Type Laptop Laptop
Codename Zen 2 Zen+
Socket FP6 FP5
Integrated GPU Radeon RX Vega 6 Radeon Vega 8


Cores 6 4
Threads 6 8
Base Frequency 2.3 GHz 2.1 GHz
Turbo Boost Frequency 4 GHz 3.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 23x 21x
L1 Cache 32K (per core) 96K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 8MB (shared) 4MB (shared)
Unlocked Multiplier No No


Fabrication process 7 nm 12 nm
TDP 15 W 12-35 W
Max. temperature 105°C 105°C

Memory support

Memory types DDR4-3200, LPDDR4-4266 DDR4-2400
Memory Size 64 GB 32 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 68.27 GB/s -
ECC Support No -


Official site AMD Ryzen 5 4500U official page AMD Ryzen 5 3450U official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 12

Cast your vote

Choose between two processors
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Total votes: 2


So which CPU will you choose: AMD Ryzen 5 3450U or Ryzen 5 4500U?