Intel Core i9 12950HX vs i9 12900H

We compared two laptop CPUs: the 2.3 GHz Intel Core i9 12950HX with 16-cores against the 2.5 GHz i9 12900H with 14-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


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
Generic CPU rating

Key Differences

What are the key differences between 12900H and 12950HX
Advantages of Intel Core i9 12950HX
  • Unlocked multiplier
  • Supports up to 128 GB DDR5-4800 RAM
  • Has 6144 KB larger L3 cache size
  • Newer PCI Express version – 5.0
  • Has 2 more physical cores

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

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 763.2 MB/sec
Clang compilation 116.4 Klines/sec 79.6 Klines/sec
HTML 5 Browser 353.9 pages/sec 225.2 pages/sec
PDF Renderer 418.1 Mpixels/sec 309.3 Mpixels/sec
Text processing 239.2 pages/sec 210 pages/sec
Background blur 39.5 images/sec 30.9 images/sec
Photo processing 115.2 images/sec 76.3 images/sec
Ray tracing 25.4 Mpixels/sec 17.6 Mpixels/sec
Sources: GeekBench [1], [2]


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 114 GOps/sec 98.2 GOps/sec
Floating point math 83.8 GOps/sec 71.2 GOps/sec
Find prime numbers 141M Primes/sec 111M Primes/sec
Random string sorting 43.5M Strings/sec 37.4M Strings/sec
Data encryption 22.2 GBytes/sec 19.6 GBytes/sec
Data compression 382.8 MBytes/sec 333.7 MBytes/sec
Physics 2164 Frames/sec 1812 Frames/sec
Extended instructions 22.9B Matrices/sec 19.9B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i9 12950HX and i9 12900H


Vendor Intel Intel
Released May 10, 2022 January 4, 2022
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number i9-12950HX i9-12900H
Integrated GPU UHD Graphics (32EU) Iris Xe Graphics (96EU)


Performance Cores
P-Cores 8 6
P-Threads 16 12
Base Frequency (P) 2.3 GHz 2.5 GHz
Turbo Boost Frequency (P) 5 GHz 5 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 1.7 GHz 1.8 GHz
Turbo Boost Frequency (E) 3.6 GHz 3.8 GHz
Total Cores 16 14
Total Threads 24 20
Bus Frequency 100 MHz 100 MHz
Multiplier 23x 25x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 30MB (shared) 24MB (shared)
Unlocked Multiplier Yes No


Fabrication process 10 nm 10 nm
TDP (PL1) 45-55 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 157 W 115 W
Socket BGA-1964 BGA-1744
Peak temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics (32EU) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1550 MHz 1450 MHz
Shading Units 256 768
TMUs 16 48
ROPs 8 24
Execution Units 32 96
TGP 45 W 15 W

Memory Support

Memory types - DDR5-4800
- DDR4-3200
- DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Memory Size 128 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s -
ECC Support Yes No


Official site Intel Core i9 12950HX official page Intel Core i9 12900H official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
50 (70.4%)
21 (29.6%)
Total votes: 71


So which CPU will you choose: Intel Core i9 12900H or i9 12950HX?