Home > CPU Comparisons > Core i3 1005G1 or Ryzen 5 3450U: what's better?

Intel Core i3 1005G1 vs AMD Ryzen 5 3450U

We compared two laptop CPUs: the 1.2 GHz Intel Core i3 1005G1 with 2-cores against the 2.1 GHz AMD 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 1005G1
Advantages of Intel Core i3 1005G1
  • Consumes up to 57% less energy than the Ryzen 5 3450U – 15 vs 35 Watt
  • Supports up to 64 GB DDR4-3200 RAM
  • More modern manufacturing process – 10 versus 12 nanometers
Advantages of AMD Ryzen 5 3450U
  • Has 2 more physical cores
  • Newer - released 5-months later
  • 3% higher Turbo Boost frequency (3.5 GHz vs 3.4 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 Intel Core i3 1005G1 and AMD Ryzen 5 3450U


Vendor Intel AMD
Released August 1, 2019 January 1, 2020
Launch price 281 USD -
Type Laptop Laptop
Codename Ice Lake Zen+
Model number i3-1005G1 -
Socket BGA-1526 FP5
Integrated GPU Intel UHD Graphics G1 Radeon Vega 8


Cores 2 4
Threads 4 8
Base Frequency 1.2 GHz 2.1 GHz
Turbo Boost Frequency 3.4 GHz 3.5 GHz
Bus frequency - 100 MHz
Multiplier 12x 21x
Bus Bandwidth 4 GT/s -
L1 Cache 64K (per core) 96K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 4MB (shared) 4MB (shared)
Unlocked Multiplier No No


Fabrication process 10 nm 12 nm
TDP 15 W 12-35 W
Max. temperature 100°C 105°C

Memory support

Memory types DDR4-3200, LPDDR4-3733 DDR4-2400
Memory Size 64 GB 32 GB
Max. Memory Channels 2 2
ECC Support No -


Official site Intel Core i3 1005G1 official page AMD Ryzen 5 3450U official page
PCI Express Version 3.0 3.0
PCI Express Lanes - 12
Instruction Set SSE4.1, SSE4.2, AVX-2, AVX-512 -

Cast your vote

Choose between two processors
2 (28.6%)
5 (71.4%)
Total votes: 7


So which CPU will you choose: AMD Ryzen 5 3450U or Intel Core i3 1005G1?