Intel Core i9 14900K vs AMD Ryzen 9 7945HX3D

We compared two CPUs: the 3.2 GHz Intel Core i9 14900K (desktop) with 24-cores against the 2.3 GHz AMD Ryzen 9 7945HX3D (laptop) with 16-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
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
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Value for money (Beta)

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Currency
VS

Key Differences

What are the key differences between 7945HX3D and 14900K
Advantages of Intel Core i9 14900K
  • Supports up to 192 GB DDR5-5600 RAM
  • Has 8 more physical cores
  • More powerful Intel UHD Graphics 770 integrated graphics: 0.8 vs 0.6 TFLOPS
  • More than 11° C higher critical temperature
  • 11% higher Turbo Boost frequency (6 GHz vs 5.4 GHz)
  • 13% faster in a single-core Geekbench v6 test - 3171 vs 2800 points
Advantages of AMD Ryzen 9 7945HX3D
  • Has 92 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More modern manufacturing process – 5 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 (17th and 46th 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)
22629
File compression 1940 MB/sec 1520 MB/sec
Clang compilation 194.6 Klines/sec 178.3 Klines/sec
HTML 5 Browser 589.2 pages/sec 299.6 pages/sec
PDF Renderer 638.4 Mpixels/sec 456.8 Mpixels/sec
Text processing 318.7 pages/sec 288.5 pages/sec
Background blur 71.7 images/sec 60.1 images/sec
Photo processing 191.6 images/sec 104.6 images/sec
Ray tracing 41.7 Mpixels/sec 36.9 Mpixels/sec
Sources: GeekBench [1], [2] – 644 & 67 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 209.3 GOps/sec 202.2 GOps/sec
Floating point math 152.1 GOps/sec 121.8 GOps/sec
Find prime numbers 228M Primes/sec 443M Primes/sec
Random string sorting 86.6M Strings/sec 84.6M Strings/sec
Data encryption 46.5 GBytes/sec 42.6 GBytes/sec
Data compression 785.8 MBytes/sec 704.8 MBytes/sec
Physics 3098 Frames/sec 4366 Frames/sec
Extended instructions 44.7B Matrices/sec 52.4B Matrices/sec
Sources: PassMark [3], [4] – 13248 & 308 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
512.57

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 16.7 PPW 23.6 PPW
Geekbench 6 Multi / Watt 181 PPW 225.7 PPW
Passmark CPU Mark / Watt 466 PPW 769.7 PPW
Blender / Watt 4.1 PPW 6.15 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 14900K
DateBenchmarkResult
📘 2026-02-24 (Tanvir)Cinebench 2024129 / 2086
📘 2026-01-31 (Kreuz)Cinebench 2024128 / 1976
📘 2025-12-15 (Lil-Shady)Cinebench 2024136 / 2103
📘 2025-12-10 (Astromavic)Cinebench 2024134 / 1989
📘 2025-11-14 (cinebench251114)Cinebench 2024134 / 2114
AMD Ryzen 9 7945HX3D
No benchmark results yet

Specifications

Full technical specification of Intel Core i9 14900K and AMD Ryzen 9 7945HX3D

General

Vendor Intel Amd
Released October 16, 2023 August 22, 2023
Type Desktop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Refresh Zen 4 (Dragon Range)
Model number i9-14900K 7945HX3D
Integrated GPU UHD Graphics 770 Radeon 610M
Rival Equivalent - AMD Ryzen 9 7900X - Intel Core i9 13950HX
Successor - Intel Core Ultra 9 285K - AMD Ryzen 9 9955HX3D
Intel CPU rating (#7th place)
AMD Ryzen CPU ranking (#23rd place)

CPU

Performance Cores
P-Cores 8 16
P-Threads 16 32
Base Frequency (P) 3.2 GHz 2.3 GHz
Turbo Boost Frequency (P) 6 GHz 5.4 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 2.4 GHz -
Turbo Boost Frequency (E) 4.4 GHz -
Total
Total Cores 24 16
Total Threads 32 32
Bus Frequency 100 MHz 100 MHz
Multiplier 32x 23x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 36MB (shared) 128MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors - 17.8 billions
Fabrication Process 10 nm 5 nm
TDP (PL1) 125 W 55-75 W (configurable)
Max. Boost TDP (PL2) 253 W -
Socket LGA-1700 FL1
Peak Temperature 100°C 89°C
Desktop CPU ranking (#13th place)

iGPU

Integrated Graphics Intel UHD Graphics 770 Radeon 610M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 1650 MHz 2200 MHz
Shading Units 256 128
TMUs 16 8
ROPs 8 4
Execution Units 32 2
TGP 15 W 15 W
iGPU FLOPS
0.8 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - DDR5-5600
- DDR4-3200
- DDR5-5200
Max. Memory Size 192 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support Yes No

Misc

Official Site Intel Core i9 14900K official page AMD Ryzen 9 7945HX3D official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
22 (53.7%)
19 (46.3%)
Total votes: 41

Comments

So which CPU will you choose: AMD Ryzen 9 7945HX3D or Intel Core i9 14900K?
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