Home > CPU Comparison > Core i9 12900HK or Ryzen 9 8945HS: what's better?

Intel Core i9 12900HK vs AMD Ryzen 9 8945HS

55 out of 100
Intel Core i9 12900HK
VS
60 out of 100
AMD Ryzen 9 8945HS
Intel Core i9 12900HK
AMD Ryzen 9 8945HS

We compared two laptop CPUs: the 2.5 GHz Intel Core i9 12900HK with 14-cores against the 4.0 GHz AMD Ryzen 9 8945HS with 8-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.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 8945HS and 12900HK
Advantages of Intel Core i9 12900HK
  • Unlocked multiplier
  • Has 6 more physical cores
  • Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
Advantages of AMD Ryzen 9 8945HS
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process โ€“ 4 versus 10 nanometers
  • More powerful Radeon 780M integrated graphics: 4.3 vs 2.2 TFLOPS
  • Newer - released 1 year and 11 months later
  • 4% higher Turbo Boost frequency (5.2 GHz vs 5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 12900HK
vs
Ryzen 9 8945HS

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (152nd and 171st 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 1040 MB/sec 494.2 MB/sec
Clang compilation 85.9 Klines/sec 92.7 Klines/sec
HTML 5 Browser 312.4 pages/sec 287.4 pages/sec
PDF Renderer 363.1 Mpixels/sec 280.8 Mpixels/sec
Text processing 225.4 pages/sec 251.5 pages/sec
Background blur 49.7 images/sec 65.5 images/sec
Photo processing 111.5 images/sec 104.2 images/sec
Ray tracing 19.4 Mpixels/sec 27.1 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 1045 & 119 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i9 12900HK
25038
Ryzen 9 8945HS +17%
29254
Integer math 87.3 GOps/sec 99.6 GOps/sec
Floating point math 62.2 GOps/sec 60.7 GOps/sec
Find prime numbers 99M Primes/sec 90M Primes/sec
Random string sorting 32.2M Strings/sec 42.5M Strings/sec
Data encryption 17 GBytes/sec 20.9 GBytes/sec
Data compression 287.8 MBytes/sec 349.6 MBytes/sec
Physics 1609 Frames/sec 1409 Frames/sec
Extended instructions 17.2B Matrices/sec 26.4B Matrices/sec
Sources: PassMark [3], [4] โ€“ 1240 & 1472 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i9 12900HK
179.19
Ryzen 9 8945HS +22%
218.76

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 22.4 PPW 17.5 PPW
Geekbench 6 Multi / Watt 270.6 PPW 219.9 PPW
Passmark CPU Mark / Watt 556.4 PPW 541.7 PPW
Blender / Watt 3.98 PPW 4.05 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 i9 12900HK
No benchmark results yet
Add
AMD Ryzen 9 8945HS
DateBenchmarkResult
๐Ÿ“˜ 2025-08-12 (Ash)Cinebench 2024100 / 870
๐Ÿ“˜ 2025-07-14 (END)Cinebench 2024105 / 943
Add View all (2)

Specifications

Full technical specification of Intel Core i9 12900HK and AMD Ryzen 9 8945HS

General

Vendor Intel Amd
Released January 4, 2022 December 6, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Zen 4 (Hawk Point)
Model number i9-12900HK -
Integrated GPU Iris Xe Graphics (96EU) Radeon 780M
Rival Equivalent - AMD Ryzen 9 6900HX - Intel Core Ultra 9 185H
Successor - Intel Core i9 13900HK - AMD Ryzen 9 270
Intel CPU rating (#116th place)
AMD Ryzen CPU ranking (#65th place)

CPU

Performance Cores
P-Cores 6 8
P-Threads 12 16
Base Frequency (P) 2.5 GHz 4.0 GHz
Turbo Boost Frequency (P) 5 GHz 5.2 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.8 GHz -
Turbo Boost Frequency (E) 3.8 GHz -
Total
Total Cores 14 8
Total Threads 20 16
Bus Frequency 100 MHz 100 MHz
Multiplier 25x 40x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 1MB (per core)
L3 Cache 24MB (shared) 16MB (shared)
Unlocked Multiplier Yes No

Package

Transistors - 25 billions
Fabrication Process 10 nm 4 nm
TDP (PL1) 35-45 W (configurable) 35-54 W (configurable)
Max. Boost TDP (PL2) 115 W -
Socket BGA-1744 FP8
Peak Temperature 100ยฐC 100ยฐC
Laptop processors ranking (153rd and 104th place)

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Radeon 780M
GPU Base Clock 300 MHz 800 MHz
GPU Boost Clock 1450 MHz 2800 MHz
Shading Units 768 768
TMUs 48 48
ROPs 24 32
Execution Units 96 12
TGP 15 W 15 W
iGPU FLOPS
Core i9 12900HK
2.2 TFLOPS
Ryzen 9 8945HS +95%
4.3 TFLOPS
More info: Radeon 780M compared to Iris Xe Graphics G7 (96EU)

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267		 - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 64 GB 256 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i9 12900HK official page AMD Ryzen 9 8945HS official page
PCI Express Version 4.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
3 (30%)
7 (70%)
Total votes: 10

Competitors

1. Intel Core i9 12900HK vs Intel Core i9 12900H
2. Intel Core i9 12900HK vs AMD Ryzen 9 7940HS
3. Intel Core i9 12900HK vs Intel Core i9 12900HX (3)
4. Intel Core i9 12900HK vs Intel Core i9 13900HX
5. Intel Core i9 12900HK vs Apple M2 Pro
6. AMD Ryzen 9 8945HS vs AMD Ryzen 9 7940HS (4)
7. AMD Ryzen 9 8945HS vs Intel Core i9 13900H (7)
8. AMD Ryzen 9 8945HS vs AMD Ryzen 7 8845HS (2)
9. AMD Ryzen 9 8945HS vs Intel Core Ultra 9 185H (8)
10. AMD Ryzen 9 8945HS vs AMD Ryzen 9 7945HX
Compare other CPUs (460+)

Comments

So which CPU will you choose: AMD Ryzen 9 8945HS or Intel Core i9 12900HK?
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