Home > CPU Comparisons > Core i5 1135G7 or Core i3 1005G1: what's better?

Intel Core i5 1135G7 vs i3 1005G1

We compared two laptop CPUs: the 0.9-2.4 GHz Intel Core i5 1135G7 with 4-cores against the 1.2 GHz i3 1005G1 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 1135G7
Advantages of Intel Core i5 1135G7
  • Newer - released 1-year and 1-month later
  • Has 2 more physical cores
  • Has 4 MB larger L3 cache size
  • 43% faster in a single-core Geekbench v5 test - 1310 vs 916 points
  • Newer PCI Express version – 4.0
  • 24% higher Turbo Boost frequency (4.2 GHz vs 3.4 GHz)
Advantages of Intel Core i3 1005G1
  • Consumes up to 46% less energy than the Core i5 1135G7 – 15 vs 28 Watt


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 i5 1135G7 and i3 1005G1


Vendor Intel Intel
Released September 2, 2020 August 1, 2019
Launch price - 281 USD
Type Laptop Laptop
Codename Tiger Lake UP3 Ice Lake
Model number i5-1135G7 i3-1005G1
Socket BGA-1449 BGA-1526
Integrated GPU Iris Xe Graphics G7 80EU Intel UHD Graphics G1


Cores 4 2
Threads 8 4
Base Frequency 0.9-2.4 GHz 1.2 GHz
Turbo Boost Frequency 4.2 GHz 3.4 GHz
Bus frequency 100 MHz -
Multiplier 24x 12x
Bus Bandwidth 4 GT/s 4 GT/s
L1 Cache 96K (per core) 64K (per core)
L2 Cache 1280K (per core) 256K (per core)
L3 Cache 8MB (shared) 4MB (shared)
Unlocked Multiplier No No


Fabrication process 10 nm 10 nm
TDP 12-28 W 15 W
Max. temperature 100°C 100°C

Memory support

Memory types DDR4-3200, LPDDR4-4267 DDR4-3200, LPDDR4-3733
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
ECC Support No No


Official site Intel Core i5 1135G7 official page Intel Core i3 1005G1 official page
PCI Express Version 4.0 3.0
PCI Express Lanes 16 -
Instruction Set - SSE4.1, SSE4.2, AVX-2, AVX-512

Cast your vote

Choose between two processors
14 (70%)
6 (30%)
Total votes: 20


So which CPU will you choose: Intel Core i3 1005G1 or i5 1135G7?