Intel Core i3 N305 vs i3 1305U
31
out of 100
VS
40
out of 100
We compared two laptop CPUs: the 1.8 GHz Intel Core i3 N305 with 8-cores against the 1.6 GHz i3 1305U with 5-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of Intel Core i3 N305
- Has 3 more physical cores
Advantages of Intel Core i3 1305U
- Supports up to 96 GB DDR5-5200 RAM
- More powerful Intel UHD Graphics (64EU) integrated graphics: 1.3 vs 0.6 TFLOPS
- Has 4 MB larger L3 cache size
- 59% faster in a single-core Geekbench v6 test - 2131 vs 1339 points
- Newer PCI Express version โ 4.0
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 447.7 MB/sec | 544.7 MB/sec |
| Clang compilation | 41.7 Klines/sec | 21.9 Klines/sec |
| HTML 5 Browser | 123.7 pages/sec | 111.2 pages/sec |
| PDF Renderer | 162.8 Mpixels/sec | 113.3 Mpixels/sec |
| Text processing | 167.4 pages/sec | 221.1 pages/sec |
| Background blur | 25 images/sec | 18.9 images/sec |
| Photo processing | 42.1 images/sec | 46.9 images/sec |
| Ray tracing | 7.03 Mpixels/sec | 7.07 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 32.8 GOps/sec | 26.5 GOps/sec |
| Floating point math | 21.9 GOps/sec | 18.7 GOps/sec |
| Find prime numbers | 23M Primes/sec | 35M Primes/sec |
| Random string sorting | 13.8M Strings/sec | 10.6M Strings/sec |
| Data encryption | 7.6 GBytes/sec | 5.7 GBytes/sec |
| Data compression | 111 MBytes/sec | 90.4 MBytes/sec |
| Physics | 527 Frames/sec | 513 Frames/sec |
| Extended instructions | 5.7B Matrices/sec | 5.1B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 16.1 PPW | 16.1 PPW |
| Geekbench 6 Multi / Watt | 351.8 PPW | 301.9 PPW |
| Passmark CPU Mark / Watt | 625.1 PPW | 562.9 PPW |
| Blender / Watt | 3.88 PPW | 1.71 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i3 N305
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2025-10-13 (Aleman82) | GeekBench | 1264 / 3791 |
| ๐ 2025-10-08 (Kbzabeto82) | GeekBench | 1264 / 3791 |
Intel Core i3 1305U
No benchmark results yet
Specifications
Full technical specification of Intel Core i3 N305 and i3 1305UGeneral
| Vendor | Intel | Intel |
| Released | January 3, 2023 | January 3, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Alder Lake | Raptor Lake |
| Model number | i3-N305 | i3-1305U |
| Integrated GPU | UHD Graphics (32EU) | UHD Graphics (64EU) |
| Rival Equivalent | - | - AMD Ryzen 3 7330U |
CPU
| P-Cores | - | 1 |
| P-Threads | - | 2 |
| Base Frequency (P) | - | 1.6 GHz |
| Turbo Boost Frequency (P) | - | 4.5 GHz |
| E-Cores | 8 | 4 |
| E-Threads | 8 | 4 |
| Base Frequency (E) | 1.8 GHz | 1.2 GHz |
| Turbo Boost Frequency (E) | 3.9 GHz | 3.3 GHz |
| Total Cores | 8 | 5 |
| Total Threads | 8 | 6 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 18x | 16x |
| L1 Cache | 96K (per core) | 80K (per core) |
| L2 Cache | 2MB (shared) | 1280K (per core) |
| L3 Cache | 6MB (shared) | 10MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 10 nm | 10 nm |
| TDP (PL1) | 9-15 W (configurable) | 12-15 W (configurable) |
| Max. Boost TDP (PL2) | - | 55 W |
| Socket | BGA-1744 | BGA-1744 |
| Peak Temperature | 105ยฐC | 100ยฐC |
iGPU
| Integrated Graphics | Intel UHD Graphics (32EU) | Intel UHD Graphics (64EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1250 MHz | 1250 MHz |
| Shading Units | 256 | 512 |
| TMUs | 16 | 32 |
| ROPs | 8 | 16 |
| Execution Units | 32 | 64 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-4800 - DDR4-3200 - LPDDR5-4800 |
- DDR5-5200 - DDR4-3200 - LPDDR5-5200 - LPDDR5x-5200 - LPDDR4x-4267 |
| Max. Memory Size | 16 GB | 96 GB |
| Memory Channels | 1 | 2 |
| ECC Support | No | No |
Misc
| Official Site | Intel Core i3 N305 official page | Intel Core i3 1305U official page |
| PCI Express Version | 3.0 | 4.0 |
| PCI Express Lanes | 9 | 20 |
Cast your vote
Total votes: 96