Intel Core i9 12900H vs i7 12800HX

We compared two laptop CPUs: the 2.5 GHz Intel Core i9 12900H with 14-cores against the 2.0 GHz i7 12800HX with 16-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 12800HX and 12900H
Advantages of Intel Core i9 12900H
  • 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)
Advantages of Intel Core i7 12800HX
  • Unlocked multiplier
  • Supports up to 128 GB DDR5-4800 RAM
  • Newer PCI Express version – 5.0
  • Has 2 more physical cores
  • 10% faster in a single-core Geekbench v6 test - 2476 vs 2260 points

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 763.2 MB/sec 1070 MB/sec
Clang compilation 79.6 Klines/sec 121.6 Klines/sec
HTML 5 Browser 225.2 pages/sec 358.2 pages/sec
PDF Renderer 309.3 Mpixels/sec 408.4 Mpixels/sec
Text processing 210 pages/sec 247.6 pages/sec
Background blur 30.9 images/sec 57.1 images/sec
Photo processing 76.3 images/sec 118 images/sec
Ray tracing 17.6 Mpixels/sec 29.2 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 98.2 GOps/sec 114.4 GOps/sec
Floating point math 71.2 GOps/sec 86 GOps/sec
Find prime numbers 111M Primes/sec 113M Primes/sec
Random string sorting 37.4M Strings/sec 45M Strings/sec
Data encryption 19.6 GBytes/sec 23 GBytes/sec
Data compression 333.7 MBytes/sec 408.8 MBytes/sec
Physics 1812 Frames/sec 1807 Frames/sec
Extended instructions 19.9B Matrices/sec 25.2B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i9 12900H and i7 12800HX


Vendor Intel Intel
Released January 4, 2022 May 10, 2022
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number i9-12900H i7-12800HX
Integrated GPU Iris Xe Graphics (96EU) UHD Graphics (32EU)


Performance Cores
P-Cores 6 8
P-Threads 12 16
Base Frequency (P) 2.5 GHz 2.0 GHz
Turbo Boost Frequency (P) 5 GHz 4.8 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 1.8 GHz 1.5 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.4 GHz
Total Cores 14 16
Total Threads 20 24
Bus Frequency 100 MHz 100 MHz
Multiplier 25x 20x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 24MB (shared) 25MB (shared)
Unlocked Multiplier No Yes


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


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

Memory Support

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


Official site Intel Core i9 12900H official page Intel Core i7 12800HX official page
PCI Express Version 4.0 5.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
17 (26.6%)
47 (73.4%)
Total votes: 64


So which CPU will you choose: Intel Core i7 12800HX or i9 12900H?