Home > CPU Comparison > Core i5 1335U or Core 3 100U: what's better?

Intel Core i5 1335U vs Core 3 100U

44 out of 100
Intel Core i5 1335U
VS
47 out of 100
Intel Core 3 100U
Intel Core i5 1335U
Intel Core 3 100U

We compared two laptop CPUs: the 1.3 GHz Intel Core i5 1335U with 10-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.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 100U and 1335U
Advantages of Intel Core i5 1335U
  • Has 4 more physical cores
  • Has 2 MB larger L3 cache size
  • More powerful Intel Iris Xe Graphics (80EU) integrated graphics: 1.6 vs 1.3 TFLOPS
Advantages of Intel Core 3 100U
  • Newer - released 1 year later
  • 16% faster in a single-core Geekbench v6 test - 2467 vs 2126 points
  • 2% higher Turbo Boost frequency (4.7 GHz vs 4.6 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i5 1335U
vs
Core 3 100U

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
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 i5 1335U
2126
Core 3 100U +16%
2467
Geekbench 6 (Multi-Core)
Core i5 1335U +30%
8288
Core 3 100U
6387
File compression 703.6 MB/sec 599.7 MB/sec
Clang compilation 53.5 Klines/sec 44.2 Klines/sec
HTML 5 Browser 219.6 pages/sec 137.5 pages/sec
PDF Renderer 218.9 Mpixels/sec 190.2 Mpixels/sec
Text processing 207.1 pages/sec 230 pages/sec
Background blur 38.2 images/sec 23.6 images/sec
Photo processing 87.9 images/sec 57.2 images/sec
Ray tracing 11.8 Mpixels/sec 8.91 Mpixels/sec
Sources: GeekBench [1], [2] – 1007 & 44 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Core i5 1335U
3248
Core 3 100U +8%
3496
Passmark CPU (Multi-Core)
Core i5 1335U +11%
13813
Core 3 100U
12466
Integer math 49.7 GOps/sec 39.4 GOps/sec
Floating point math 33.9 GOps/sec 28.2 GOps/sec
Find prime numbers 47M Primes/sec 51M Primes/sec
Random string sorting 17.5M Strings/sec 15.1M Strings/sec
Data encryption 9.7 GBytes/sec 8.1 GBytes/sec
Data compression 154.4 MBytes/sec 136 MBytes/sec
Physics 819 Frames/sec 870 Frames/sec
Extended instructions 8.7B Matrices/sec 7.9B Matrices/sec
Sources: PassMark [3], [4] – 3604 & 510 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i5 1335U +39%
80.21
Core 3 100U
57.69

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 26.5 PPW 25.3 PPW
Geekbench 6 Multi / Watt 552.5 PPW 425.8 PPW
Passmark CPU Mark / Watt 920.9 PPW 831.1 PPW
Blender / Watt 5.35 PPW 3.85 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core i5 1335U
DateBenchmarkResult
πŸ“˜ 2026-05-15 (Melkon)GeekBench2317 / 7898
πŸ“˜ 2026-05-15 (Melkon)GeekBench2391 / 7543
πŸ“˜ 2025-06-05 (John Wick)GeekBench2347 / 8190
πŸ“˜ 2025-06-05 (John Wick)Cinebench 202495 / 397
Add View all (4)
Intel Core 3 100U
No benchmark results yet
Add

Specifications

Full technical specification of Intel Core i5 1335U 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 i5-1335U 100U
Integrated GPU Iris Xe Graphics (80EU) UHD Graphics (64 EU)
Rival Equivalent - AMD Ryzen 5 7535U - AMD Ryzen 3 7440U
Successor - Intel Core Ultra 5 225U -
Intel CPU rating (190th and 175th place)

CPU

Performance Cores
P-Cores 2 2
P-Threads 4 4
Base Frequency (P) 1.3 GHz 1.2 GHz
Turbo Boost Frequency (P) 4.6 GHz 4.7 GHz
Efficient Cores
E-Cores 8 4
E-Threads 8 4
Base Frequency (E) 0.9 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.4 GHz 3.3 GHz
Total
Total Cores 10 6
Total Threads 12 8
Bus Frequency 100 MHz 100 MHz
Multiplier 13x 12x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (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 100Β°C 100Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (80EU) Intel UHD Graphics (64 EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1250 MHz
Shading Units 640 512
TMUs 40 32
ROPs 20 16
Execution Units 80 64
TGP 15 W 15 W
iGPU FLOPS
Core i5 1335U +23%
1.6 TFLOPS
Core 3 100U
1.3 TFLOPS
More info: UHD Graphics (64 EU) compared to Iris Xe Graphics G7 (80EU)

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- 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 i5 1335U 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
35 (63.6%)
20 (36.4%)
Total votes: 55

Competitors

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2. Intel Core i5 1335U vs AMD Ryzen 7 7730U (7)
3. Intel Core i5 1335U vs Intel Core Ultra 5 125U (1)
4. Intel Core i5 1335U vs Intel Core 5 120U (2)
5. Intel Core i5 1335U vs Apple M3
6. Intel Core 3 100U vs Intel Core 5 120U
7. Intel Core 3 100U vs Intel Core i3 1305U
8. Intel Core 3 100U vs Intel Core i3 1315U (2)
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core 3 100U or i5 1335U?
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