Home > CPU Comparison > Processor N100 or Core i7 1255U: what's better?

Intel Processor N100 vs Core i7 1255U

27 out of 100
Intel Processor N100
VS
45 out of 100
Intel Core i7 1255U
Intel Processor N100
Intel Core i7 1255U

We compared two laptop CPUs: the 3.4 GHz Intel Processor N100 with 4-cores against the 1.7 GHz Core i7 1255U with 10-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
DeviceFacts 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 1255U and N100
Advantages of Intel Processor N100
  • Newer - released 11 months later
Advantages of Intel Core i7 1255U
  • More powerful Intel Iris Xe Graphics (96EU) integrated graphics: 1.9 vs 0.3 TFLOPS
  • Supports up to 64 GB DDR5-4800 RAM
  • Has 6 more physical cores
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 85% faster in a single-core Geekbench v6 test - 2248 vs 1216 points
  • Newer PCI Express version – 4.0

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Processor N100
vs
Core i7 1255U

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)
Processor N100
1216
Core i7 1255U +85%
2248
Geekbench 6 (Multi-Core)
Processor N100
2595
Core i7 1255U +176%
7160
File compression 227.3 MB/sec 626.4 MB/sec
Clang compilation 12.6 Klines/sec 49.1 Klines/sec
HTML 5 Browser 65.5 pages/sec 179.7 pages/sec
PDF Renderer 86.6 Mpixels/sec 201.5 Mpixels/sec
Text processing 144.1 pages/sec 217.7 pages/sec
Background blur 11.6 images/sec 31.6 images/sec
Photo processing 22.6 images/sec 71.1 images/sec
Ray tracing 3.1 Mpixels/sec 9.8 Mpixels/sec
Sources: GeekBench [1], [2] – 677 & 1162 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Processor N100
1881
Core i7 1255U +67%
3149
Passmark CPU (Multi-Core)
Processor N100
5308
Core i7 1255U +144%
12978
Integer math 16 GOps/sec 47.7 GOps/sec
Floating point math 10.7 GOps/sec 32.2 GOps/sec
Find prime numbers 22M Primes/sec 38M Primes/sec
Random string sorting 7.1M Strings/sec 16.8M Strings/sec
Data encryption 4 GBytes/sec 9.1 GBytes/sec
Data compression 57.1 MBytes/sec 145.7 MBytes/sec
Physics 385 Frames/sec 750 Frames/sec
Extended instructions 2.9B Matrices/sec 8.2B Matrices/sec
Sources: PassMark [3], [4] – 4052 & 4528 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Processor N100
34.3
Core i7 1255U +125%
77.28

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 32.5 PPW 29.7 PPW
Geekbench 6 Multi / Watt 432.5 PPW 477.3 PPW
Passmark CPU Mark / Watt 884.7 PPW 865.2 PPW
Blender / Watt 5.72 PPW 5.15 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 Processor N100
No benchmark results yet
Add
Intel Core i7 1255U
DateBenchmarkResult
πŸ“˜ 2026-10-08 (dell)Geekbench 7 CPU1840 / 7197
πŸ“˜ 2026-02-13 -> Lello75Geekbench 6 CPU2315 / 7219
πŸ“˜ 2025-04-13 (kapple)Cinebench 202495 / 446
Add View all (3)

Specifications

Full technical specification of Intel Processor N100 and Core i7 1255U

General

Vendor Intel Intel
Released January 3, 2023 February 23, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number N100 i7-1255U
Integrated GPU UHD Graphics (24EU) Iris Xe Graphics (96EU)
Successor - Intel Processor N150 - Intel Core Ultra 7 255U
Intel CPU rating (#185th place)

CPU

Performance Cores
P-Cores - 2
P-Threads - 4
Base Frequency (P) - 1.7 GHz
Turbo Boost Frequency (P) - 4.7 GHz
Efficient Cores
E-Cores 4 8
E-Threads 4 8
Base Frequency (E) 3.4 GHz 1.2 GHz
Turbo Boost Frequency (E) - 3.5 GHz
Total
Total Cores 4 10
Total Threads 4 12
Bus Frequency 100 MHz 100 MHz
Multiplier 34x 17x
L1 Cache 96K (per core) 80K (per core)
L2 Cache 2MB (shared) 1280K (per core)
L3 Cache 6MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 6 W 12-15 W (configurable)
Max. Boost TDP (PL2) - 55 W
Socket BGA-1264 BGA-1744
Peak Temperature 105Β°C 100Β°C

iGPU

Integrated Graphics Intel UHD Graphics (24EU) Intel Iris Xe Graphics (96EU)
GPU Base Clock - 300 MHz
GPU Boost Clock 750 MHz 1250 MHz
Shading Units 192 768
TMUs 12 48
ROPs 6 24
Execution Units 24 96
TGP 6-10 W 15 W
iGPU FLOPS
Processor N100
0.3 TFLOPS
Core i7 1255U +533%
1.9 TFLOPS
More info: Iris Xe Graphics G7 (96EU) compared to UHD Graphics Gen 11 (24 EU)

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- LPDDR5-4800		 - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Max. Memory Size 16 GB 64 GB
Memory Channels 1 2
ECC Support No No

Misc

Official Site Intel Processor N100 official page Intel Core i7 1255U official page
PCI Express Version 3.0 4.0
PCI Express Lanes 9 20

Cast your vote

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

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Comments

So which CPU will you choose: Intel Core i7 1255U or Processor N100?
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