Intel Core i3 N305 vs Celeron N5100

We compared two laptop CPUs: the 1.8 GHz Intel Core i3 N305 with 8-cores against the 1.1 GHz Celeron N5100 with 4-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between N5100 and N305
Advantages of Intel Core i3 N305
  • 2.8x faster in a single-core Geekbench v6 test - 1339 vs 485 points
  • Has 4 more physical cores
  • More powerful Intel UHD Graphics (32EU) integrated graphics: 0.6 vs 0.3 TFLOPS
  • Newer - released 2 years and 1 month later
  • Has 2 MB larger L3 cache size

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Core i3 N305 +176%
1339
Geekbench 6 (Multi-Core)
Core i3 N305 +358%
5277
File compression 447.7 MB/sec 152.3 MB/sec
Clang compilation 41.7 Klines/sec 10.9 Klines/sec
HTML 5 Browser 123.7 pages/sec 42.9 pages/sec
PDF Renderer 162.8 Mpixels/sec 54.4 Mpixels/sec
Text processing 167.4 pages/sec 91.6 pages/sec
Background blur 25 images/sec 3.28 images/sec
Photo processing 42.1 images/sec 6.23 images/sec
Ray tracing 7.03 Mpixels/sec 1.86 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 789 & 425 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
2040
Passmark CPU (Multi-Core)
Core i3 N305 +184%
9377
Integer math 32.8 GOps/sec 11.8 GOps/sec
Floating point math 21.9 GOps/sec 7.2 GOps/sec
Find prime numbers 23M Primes/sec 12M Primes/sec
Random string sorting 13.8M Strings/sec 5.7M Strings/sec
Data encryption 7.6 GBytes/sec 2.5 GBytes/sec
Data compression 111 MBytes/sec 41.8 MBytes/sec
Physics 527 Frames/sec 243 Frames/sec
Extended instructions 5.7B Matrices/sec 1.2B Matrices/sec
Sources: PassMark [3], [4] โ€“ 1152 & 430 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i3 N305 +369%
58.26

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 16.1 PPW 16.3 PPW
Geekbench 6 Multi / Watt 351.8 PPW 191.8 PPW
Passmark CPU Mark / Watt 625.1 PPW 551 PPW
Blender / Watt 3.88 PPW 2.07 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 i3 N305
DateBenchmarkResult
๐Ÿ“˜ 2025-10-13 (Aleman82)Geekbench 6 CPU1264 / 3791
๐Ÿ“˜ 2025-10-08 (Kbzabeto82)Geekbench 6 CPU1264 / 3791
Intel Celeron N5100
No benchmark results yet

Specifications

Full technical specification of Intel Core i3 N305 and Celeron N5100

General

Vendor Intel Intel
Released January 3, 2023 January 11, 2021
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Jasper Lake
Model number i3-N305 N5100
Integrated GPU UHD Graphics (32EU) UHD Graphics (Jasper Lake 24 EU)

CPU

Performance Cores
P-Cores - 4
P-Threads - 4
Base Frequency (P) - 1.1 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.8 GHz -
Turbo Boost Frequency (E) 3.9 GHz -
Total
Total Cores 8 4
Total Threads 8 4
Bus Frequency 100 MHz 100 MHz
Multiplier 18x 11x
L1 Cache 96K (per core) -
L2 Cache 2MB (shared) 384K (per core)
L3 Cache 6MB (shared) 4MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 9-15 W (configurable) 6 W
Socket BGA-1744 BGA-1338
Peak Temperature 105ยฐC 105ยฐC

iGPU

Integrated Graphics Intel UHD Graphics (32EU) Intel UHD Graphics (Jasper Lake 24 EU)
GPU Base Clock 300 MHz -
GPU Boost Clock 1250 MHz 800 MHz
Shading Units 256 192
TMUs 16 12
ROPs 8 6
Execution Units 32 24
TGP 15 W 6-10 W
iGPU FLOPS
Core i3 N305 +100%
0.6 TFLOPS
0.3 TFLOPS

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- LPDDR5-4800
- DDR4-2933
- LPDDR4x-2933
Max. Memory Size 16 GB 16 GB
Memory Channels 1 2
ECC Support No No

Misc

Official Site Intel Core i3 N305 official page Intel Celeron N5100 official page
PCI Express Version 3.0 3.0
PCI Express Lanes 9 8

Cast your vote

Choose between two processors
6 (85.7%)
1 (14.3%)
Total votes: 7

Comments

So which CPU will you choose: Intel Celeron N5100 or Core i3 N305?
๐ŸŒ Register your profile and become part of NanoReview community!