Home > CPU Comparison > Core i3 1305U or Core 3 100U: what's better?

Intel Core i3 1305U vs Core 3 100U

40 out of 100
Intel Core i3 1305U
VS
47 out of 100
Intel Core 3 100U
Intel Core i3 1305U
Intel Core 3 100U

We compared two laptop CPUs: the 1.6 GHz Intel Core i3 1305U with 5-cores against the 1.2 GHz Core 3 100U with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
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Key Differences

What are the key differences between 100U and 1305U
Advantages of Intel Core 3 100U
  • Newer - released 1 year later
  • 16% faster in a single-core Geekbench v6 test - 2467 vs 2131 points
  • 4% higher Turbo Boost frequency (4.7 GHz vs 4.5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i3 1305U
vs
Core 3 100U

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Core i3 1305U
241
Core 3 100U +57%
379
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Core i3 1305U
2131
Core 3 100U +16%
2467
Geekbench 6 (Multi-Core)
Core i3 1305U
4528
Core 3 100U +41%
6387
File compression 544.7 MB/sec 599.7 MB/sec
Clang compilation 21.9 Klines/sec 44.2 Klines/sec
HTML 5 Browser 111.2 pages/sec 137.5 pages/sec
PDF Renderer 113.3 Mpixels/sec 190.2 Mpixels/sec
Text processing 221.1 pages/sec 230 pages/sec
Background blur 18.9 images/sec 23.6 images/sec
Photo processing 46.9 images/sec 57.2 images/sec
Ray tracing 7.07 Mpixels/sec 8.91 Mpixels/sec
Sources: GeekBench [1], [2] – 54 & 44 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Core i3 1305U
2935
Core 3 100U +19%
3496
Passmark CPU (Multi-Core)
Core i3 1305U
8443
Core 3 100U +48%
12466
Integer math 26.5 GOps/sec 39.4 GOps/sec
Floating point math 18.7 GOps/sec 28.2 GOps/sec
Find prime numbers 35M Primes/sec 51M Primes/sec
Random string sorting 10.6M Strings/sec 15.1M Strings/sec
Data encryption 5.7 GBytes/sec 8.1 GBytes/sec
Data compression 90.4 MBytes/sec 136 MBytes/sec
Physics 513 Frames/sec 870 Frames/sec
Extended instructions 5.1B Matrices/sec 7.9B Matrices/sec
Sources: PassMark [3], [4] – 737 & 510 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i3 1305U
25.72
Core 3 100U +124%
57.69

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 16.1 PPW 25.3 PPW
Geekbench 6 Multi / Watt 301.9 PPW 425.8 PPW
Passmark CPU Mark / Watt 562.9 PPW 831.1 PPW
Blender / Watt 1.71 PPW 3.85 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core i3 1305U and Core 3 100U

General

Vendor Intel Intel
Released January 3, 2023 January 9, 2024
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Raptor Lake Refresh
Model number i3-1305U 100U
Integrated GPU UHD Graphics (64EU) UHD Graphics (64 EU)
Rival Equivalent - AMD Ryzen 3 7330U - AMD Ryzen 3 7440U
Intel CPU rating (#176th place)

CPU

Performance Cores
P-Cores 1 2
P-Threads 2 4
Base Frequency (P) 1.6 GHz 1.2 GHz
Turbo Boost Frequency (P) 4.5 GHz 4.7 GHz
Efficient Cores
E-Cores 4 4
E-Threads 4 4
Base Frequency (E) 1.2 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.3 GHz 3.3 GHz
Total
Total Cores 5 6
Total Threads 6 8
Bus Frequency 100 MHz 100 MHz
Multiplier 16x 12x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 10MB (shared) 10MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 12-15 W (configurable) 12-15 W (configurable)
Max. Boost TDP (PL2) 55 W 55 W
Socket BGA-1744 BGA-1744
Peak Temperature 100°C 100°C

iGPU

Integrated Graphics Intel UHD Graphics (64EU) Intel UHD Graphics (64 EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1250 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 64
TGP 15 W 15 W
iGPU FLOPS
Core i3 1305U
1.3 TFLOPS
Core 3 100U
1.3 TFLOPS
See: Intel UHD Graphics (64 EU) benchmarks

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-5200
- LPDDR5x-5200
- LPDDR4x-4267		 - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
Max. Memory Size 96 GB 96 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i3 1305U official page Intel Core 3 100U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
3 (15.8%)
16 (84.2%)
Total votes: 19

Competitors

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2. Intel Core i3 1305U vs AMD Ryzen 3 7320U
3. Intel Core i3 1305U vs Intel Core i3 1315U
4. Intel Core 3 100U vs Intel Core i3 1315U (2)
5. Intel Core 3 100U vs Intel Core i5 1335U
6. Intel Core 3 100U vs Intel Core 5 120U
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Comments

So which CPU will you choose: Intel Core 3 100U or i3 1305U?
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