Intel Core i9 12900HX vs AMD Ryzen 9 6900HX

We compared two laptop CPUs: the 2.3 GHz Intel Core i9 12900HX with 16-cores against the 3.3 GHz AMD Ryzen 9 6900HX with 8-cores. 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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
🔌 Usage Scenario:

Key Differences

What are the key differences between 6900HX and 12900HX
Advantages of Intel Core i9 12900HX
  • Has 8 more physical cores
  • Supports up to 128 GB DDR5-4800 RAM
  • Has 14 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer PCI Express version – 5.0
  • 26% faster in a single-core Geekbench v6 test - 2517 vs 2004 points
  • 2% higher Turbo Boost frequency (5 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 9 6900HX
  • More powerful AMD Radeon 680M integrated graphics: 3.7 vs 0.8 TFLOPS
  • More modern manufacturing process – 6 versus 10 nanometers

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#102nd place)

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)
14457
File compression 1110 MB/sec 984.2 MB/sec
Clang compilation 121.1 Klines/sec 80.9 Klines/sec
HTML 5 Browser 336.5 pages/sec 221.3 pages/sec
PDF Renderer 382.4 Mpixels/sec 331.2 Mpixels/sec
Text processing 254 pages/sec 209.8 pages/sec
Background blur 58.1 images/sec 34.6 images/sec
Photo processing 116.9 images/sec 82.9 images/sec
Ray tracing 29.6 Mpixels/sec 20 Mpixels/sec
Sources: GeekBench [1], [2]438 & 491 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
32932
Integer math 112.6 GOps/sec 88.1 GOps/sec
Floating point math 83.7 GOps/sec 49.4 GOps/sec
Find prime numbers 132M Primes/sec 62M Primes/sec
Random string sorting 43.6M Strings/sec 31.7M Strings/sec
Data encryption 22.7 GBytes/sec 18.9 GBytes/sec
Data compression 396.2 MBytes/sec 303 MBytes/sec
Physics 2020 Frames/sec 1129 Frames/sec
Extended instructions 24.1B Matrices/sec 20.7B Matrices/sec
Sources: PassMark [3], [4]515 & 2567 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
305.67

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 23.1 PPW 17 PPW
Geekbench 6 Multi / Watt 262.9 PPW 228.2 PPW
Passmark CPU Mark / Watt 598.8 PPW 534 PPW
Blender / Watt 5.56 PPW 4.16 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core i9 12900HX and AMD Ryzen 9 6900HX

General

Vendor Intel Amd
Released May 10, 2022 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Zen 3+ (Rembrandt)
Model number i9-12900HX -
Integrated GPU UHD Graphics (32EU) Radeon 680M
Rival Equivalent - AMD Ryzen 9 6900HX - Intel Core i9 12900HX
Successor - Intel Core Ultra 9 285HX - AMD Ryzen 9 9850HX
Intel CPU rating (#86th place)
AMD Ryzen CPU ranking (#105th place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 2.3 GHz 3.3 GHz
Turbo Boost Frequency (P) 5 GHz 4.9 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.7 GHz -
Turbo Boost Frequency (E) 3.6 GHz -
Total
Total Cores 16 8
Total Threads 24 16
Bus Frequency 100 MHz 100 MHz
Multiplier 23x 33x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 512K (per core)
L3 Cache 30MB (shared) 16MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 10 nm 6 nm
TDP (PL1) 45-55 W (configurable) 45 W
Max. Boost TDP (PL2) 157 W -
Socket BGA-1964 FP7
Peak Temperature 100°C 95°C
Laptop processors ranking (108th and 185th place)

iGPU

Integrated Graphics Intel UHD Graphics (32EU) AMD Radeon 680M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 1550 MHz 2400 MHz
Shading Units 256 768
TMUs 16 48
ROPs 8 32
Execution Units 32 12
TGP 15 W 15 W
iGPU FLOPS
0.8 TFLOPS
3.7 TFLOPS

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- DDR5-4800
- LPDDR5-6400
Max. Memory Size 128 GB 64 GB
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 AMD Ryzen 9 6900HX official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
42 (51.2%)
40 (48.8%)
Total votes: 82

Comments

So which CPU will you choose: AMD Ryzen 9 6900HX or Intel Core i9 12900HX?
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