Intel Core i3 8100 vs i3 1005G1

We compared two CPUs: the 3.6 GHz Intel Core i3 8100 (desktop) with 4-cores against the 1.2 GHz i3 1005G1 (laptop) with 2-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 1005G1 and 8100
Advantages of Intel Core i3 8100
  • Has 2 more physical cores
  • Has 2 MB larger L3 cache size
Advantages of Intel Core i3 1005G1
  • Consumes up to 77% less energy than the Core i3 8100 – 15 vs 65 Watt
  • Newer - released 1-year and 10-months later
  • More modern manufacturing process – 10 versus 14 nanometers


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 8100 and i3 1005G1


Vendor Intel Intel
Released October 5, 2017 August 1, 2019
Type Desktop Laptop
instruction set x86-64 x86-64
Codename Coffee Lake Ice Lake
Model number i3-8100 i3-1005G1
Socket LGA-1151 BGA-1526
Integrated GPU UHD Graphics 630 UHD Graphics G1


Cores 4 2
Threads 4 4
Base Frequency 3.6 GHz 1.2 GHz
Turbo Boost Frequency - 3.4 GHz
Bus frequency 100 MHz -
Multiplier 28x 12x
Bus Bandwidth 8 GT/s 4 GT/s
L1 Cache 64K (per core) 96K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 6MB (shared) 4MB (shared)
Unlocked Multiplier No No


Fabrication process 14 nm 10 nm
TDP 65 W 15 W
Max. temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics 630 Intel UHD Graphics G1
GPU Base Clock 350 MHz 300 MHz
GPU Boost Clock 1100 MHz 900 MHz
Shading Units 192 256
TMUs 24 32
ROPs 3 4
Execution Units 24 -
TGP 15 W 15 W
Max. Resolution 4096x2304 - 60 Hz 5120x3200 - 60 Hz

Memory support

Memory types DDR4-2400 DDR4-3200, LPDDR4-3733
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 37.5 GB/s -
ECC Support Yes No


Official site Intel Core i3 8100 official page Intel Core i3 1005G1 official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 -
Extended instructions SSE4.1, SSE4.2, AVX-2 SSE4.1, SSE4.2, AVX-2, AVX-512

Cast your vote

Choose between two processors
1 (10%)
9 (90%)
Total votes: 10


So which CPU will you choose: Intel Core i3 1005G1 or i3 8100?