Home > CPU Comparison > Core Ultra 7 255HX or Core i7 12650HX: what's better?

Intel Core Ultra 7 255HX vs i7 12650HX

75 out of 100
Intel Core Ultra 7 255HX
VS
52 out of 100
Intel Core i7 12650HX
Intel Core Ultra 7 255HX
Intel Core i7 12650HX

We compared two laptop CPUs: the 2.4 GHz Intel Core Ultra 7 255HX with 20-cores against the 2.0 GHz i7 12650HX with 14-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 12650HX and 255HX
Advantages of Intel Core Ultra 7 255HX
  • More modern manufacturing process – 3 versus 10 nanometers
  • More powerful Arc Graphics (4-Cores) integrated graphics: 1.9 vs 0.7 TFLOPS
  • Newer - released 2 years and 8 months later
  • Supports up to 256 GB DDR5-6400 RAM
  • Has 6 more physical cores
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Around 25.6 GB/s (33%) higher theoretical memory bandwidth
  • 16% faster in a single-core Geekbench v6 test - 2888 vs 2500 points
  • 11% higher Turbo Boost frequency (5.2 GHz vs 4.7 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 255HX
vs
Core i7 12650HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#47th place)
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)
Geekbench 6 (Multi-Core)
File compression 1140 MB/sec -
Clang compilation 149.8 Klines/sec -
HTML 5 Browser 312.2 pages/sec -
PDF Renderer 423.9 Mpixels/sec -
Text processing 335.6 pages/sec -
Background blur 64.1 images/sec -
Photo processing 111.8 images/sec -
Ray tracing 31.1 Mpixels/sec -
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 127 GOps/sec 79.1 GOps/sec
Floating point math 160.3 GOps/sec 56.6 GOps/sec
Find prime numbers 400M Primes/sec 73M Primes/sec
Random string sorting 62.4M Strings/sec 29.7M Strings/sec
Data encryption 39.4 GBytes/sec 15.7 GBytes/sec
Data compression 513.6 MBytes/sec 267.8 MBytes/sec
Physics 2916 Frames/sec 1129 Frames/sec
Extended instructions 41.1B Matrices/sec 15.9B Matrices/sec
Sources: PassMark [3], [4] – 976 & 87 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 7 255HX +134%
391.12
Core i7 12650HX
167.43

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 32 PPW 14.3 PPW
Geekbench 6 Multi / Watt 328 PPW 183.7 PPW
Passmark CPU Mark / Watt 874.8 PPW 407.3 PPW
Blender / Watt 7.11 PPW 3.04 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 Ultra 7 255HX
DateBenchmarkResult
πŸ“˜ 2026-06-05 (Levi)GeekBench2907 / 17742
πŸ“˜ 2025-12-25 (Junebug)Cinebench 2024131 / 1759
πŸ“˜ 2025-12-17 (balihardik009)Cinebench 2024131 / 1820
πŸ“˜ 2025-11-26 (Verbickisd)Cinebench 2024125 / 1666
πŸ“˜ 2025-11-24 (Abhi)GeekBench2823 / 17264
Add View all (5)
Intel Core i7 12650HX
No benchmark results yet
Add

Specifications

Full technical specification of Intel Core Ultra 7 255HX and i7 12650HX

General

Vendor Intel Intel
Released January 6, 2025 May 10, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Alder Lake
Model number 255HX i7-12650HX
Integrated GPU Arc Graphics (4-Cores) UHD Graphics (32EU)
Rival Equivalent - AMD Ryzen AI Max Pro 380 - AMD Ryzen 7 7735HS
Successor - - Intel Core Ultra 7 255HX
Intel CPU rating (29th and 138th place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 8 12
Base Frequency (P) 2.4 GHz 2.0 GHz
Turbo Boost Frequency (P) 5.2 GHz 4.7 GHz
Efficient Cores
E-Cores 12 8
E-Threads 12 8
Base Frequency (E) 1.8 GHz 1.5 GHz
Turbo Boost Frequency (E) 4.5 GHz 3.3 GHz
Total
Total Cores 20 14
Total Threads 20 20
Bus Frequency 100 MHz 100 MHz
Multiplier 24x 20x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 30MB (shared) 24MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 3 nm 10 nm
TDP (PL1) 45-55 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 160 W 157 W
Socket FCBGA-2114 BGA-1964
Peak Temperature 105Β°C 100Β°C
Laptop processors ranking (33rd and 176th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1850 MHz 1450 MHz
Shading Units 512 256
TMUs 32 16
ROPs 16 8
Execution Units 64 32
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 7 255HX +171%
1.9 TFLOPS
Core i7 12650HX
0.7 TFLOPS
More info: UHD Graphics Xe (32 EU) compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - DDR5-4800
- DDR4-3200
Max. Memory Size 256 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 76.8 GB/s
ECC Support Yes No

Misc

Official Site Intel Core Ultra 7 255HX official page Intel Core i7 12650HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 20

Cast your vote

Choose between two processors
0 (0%)
0 (0%)
Total votes: < 1

Competitors

1. Intel Core Ultra 7 255HX vs AMD Ryzen AI 9 HX 370 (1)
2. Intel Core Ultra 7 255HX vs Intel Core Ultra 7 155H
3. Intel Core Ultra 7 255HX vs AMD Ryzen 7 260
4. Intel Core Ultra 7 255HX vs Intel Core Ultra 9 275HX
5. Intel Core Ultra 7 255HX vs Intel Core Ultra 9 285HX
6. Intel Core i7 12650HX vs Intel Core i7 12800HX
7. Intel Core i7 12650HX vs Intel Core i7 12650H
8. Intel Core i7 12650HX vs Intel Core i5 13450HX
9. Intel Core i7 12650HX vs Intel Core i5 12600H
10. Intel Core i7 12650HX vs Intel Core i5 13500HX
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core i7 12650HX or Ultra 7 255HX?
🌐 Register your profile and become part of NanoReview community!
EnglishРусский