Intel Core i3 1005G1 vs Celeron N4020

We compared two 2-core laptop CPUs: the 1.2 GHz Intel Core i3 1005G1 against the 1.1 GHz Celeron N4020. 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 N4020 and 1005G1
Advantages of Intel Core i3 1005G1
  • Supports up to 64 GB DDR4-3200 RAM
  • 2.2x faster in a single-core Geekbench v5 test - 1028 vs 468 points
  • Newer PCI Express version – 3.0
  • More modern manufacturing process – 10 versus 14 nanometers
Advantages of Intel Celeron N4020
  • Consumes up to 60% less energy than the Core i3 1005G1 – 6 vs 15 Watt


Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Full technical specification of Intel Core i3 1005G1 and Celeron N4020


Vendor Intel Intel
Released August 1, 2019 November 4, 2019
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Ice Lake Gemini Lake Refresh
Model number i3-1005G1 N4020
Socket BGA-1526 BGA-1090
Integrated GPU UHD Graphics G1 UHD Graphics 600


Cores 2 2
Threads 4 2
Base Frequency 1.2 GHz 1.1 GHz
Turbo Boost Frequency 3.4 GHz -
Multiplier 12x -
Bus Bandwidth 4 GT/s -
L1 Cache 96K (per core) 32K (per core)
L2 Cache 512K (per core) 4MB (shared)
L3 Cache 4MB (shared) -
Unlocked Multiplier No No


Fabrication process 10 nm 14 nm
TDP 15 W 6 W
Max. temperature 100°C 105°C


Integrated Graphics Intel UHD Graphics G1 Intel UHD Graphics 600
GPU Base Clock 300 MHz 200 MHz
GPU Boost Clock 900 MHz 650 MHz
Shading Units 256 96
TMUs 32 12
ROPs 4 2
Execution Units - 12
TGP 15 W 5 W
Max. Resolution 5120x3200 - 60 Hz 3840x2160 - 30 Hz

Memory support

Memory types DDR4-3200, LPDDR4-3733 DDR4-2400, LPDDR4-2400
Memory Size 64 GB 8 GB
Max. Memory Channels 2 2
ECC Support No No


Official site Intel Core i3 1005G1 official page Intel Celeron N4020 official page
PCI Express Version 3.0 2.0
PCI Express Lanes - 6
Extended instructions SSE4.1, SSE4.2, AVX-2, AVX-512 SSE4.2

Cast your vote

Choose between two processors
135 (60%)
90 (40%)
Total votes: 225


So which CPU will you choose: Intel Celeron N4020 or Core i3 1005G1?