Intel Core i9 12900HX vs i7 12800HX

We compared two 16-core laptop CPUs: the 2.3 GHz Intel Core i9 12900HX against the 2.0 GHz i7 12800HX. 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
Generic CPU rating

Key Differences

What are the key differences between 12800HX and 12900HX
Advantages of Intel Core i9 12900HX
  • Has 5120 KB larger L3 cache size
  • 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)
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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)
23197

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 1160 MB/sec 1070 MB/sec
Clang compilation 129.9 Klines/sec 121.6 Klines/sec
HTML 5 Browser 359.9 pages/sec 358.2 pages/sec
PDF Renderer 420.5 Mpixels/sec 408.4 Mpixels/sec
Text processing 252 pages/sec 247.6 pages/sec
Background blur 41.7 images/sec 57.1 images/sec
Photo processing 125 images/sec 118 images/sec
Ray tracing 29.8 Mpixels/sec 29.2 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 119.2 GOps/sec 114.4 GOps/sec
Floating point math 89.3 GOps/sec 86 GOps/sec
Find prime numbers 139M Primes/sec 113M Primes/sec
Random string sorting 47.1M Strings/sec 45M Strings/sec
Data encryption 24.2 GBytes/sec 23 GBytes/sec
Data compression 422.6 MBytes/sec 408.8 MBytes/sec
Physics 2075 Frames/sec 1807 Frames/sec
Extended instructions 25.7B Matrices/sec 25.2B Matrices/sec
Sources: PassMark [3], [4]

Specifications

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

General

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

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 2.3 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) 1.7 GHz 1.5 GHz
Turbo Boost Frequency (E) 3.6 GHz 3.4 GHz
Total
Total Cores 16 16
Total Threads 24 24
Bus Frequency 100 MHz 100 MHz
Multiplier 23x 20x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 30MB (shared) 25MB (shared)
Unlocked Multiplier Yes Yes

Package

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

iGPU

Integrated Graphics Intel UHD Graphics (32EU) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1550 MHz 1450 MHz
Shading Units 256 256
TMUs 16 16
ROPs 8 8
Execution Units 32 32
TGP 45 W 45 W
iGPU FLOPS
0.74 TFLOPS
0.74 TFLOPS

Memory Support

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

Misc

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

Cast your vote

Choose between two processors
30 (25%)
90 (75%)
Total votes: 120

Comments

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