Home > CPU Comparison > Ryzen AI Max 390 or Ryzen 9 8945HX: what's better?

AMD Ryzen AI Max 390 vs Ryzen 9 8945HX

76 out of 100
AMD Ryzen AI Max 390
VS
70 out of 100
AMD Ryzen 9 8945HX
AMD Ryzen AI Max 390
AMD Ryzen 9 8945HX

We compared two laptop CPUs: the 3.2 GHz AMD Ryzen AI Max 390 with 12-cores against the 2.5 GHz Ryzen 9 8945HX with 16-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 8945HX and 390
Advantages of AMD Ryzen AI Max 390
  • More powerful Radeon 8050S integrated graphics: 11.5 vs 0.6 TFLOPS
  • Supports up to 128 GB LPDDR5X-8000 RAM
  • Supports quad-channel memory
  • More modern manufacturing process โ€“ 4 versus 5 nanometers
  • 13% faster in a single-core Geekbench v6 test - 3072 vs 2710 points
Advantages of AMD Ryzen 9 8945HX
  • Unlocked multiplier
  • Has 4 more physical cores
  • Newer PCI Express version โ€“ 5.0
  • 8% higher Turbo Boost frequency (5.4 GHz vs 5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen AI Max 390
vs
Ryzen 9 8945HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (85th and 55th 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)
Ryzen AI Max 390 +25%
18953
Ryzen 9 8945HX
15221
File compression 1650 MB/sec 1270 MB/sec
Clang compilation 153.6 Klines/sec 170.6 Klines/sec
HTML 5 Browser 426.3 pages/sec 259.1 pages/sec
PDF Renderer 483.3 Mpixels/sec 413.5 Mpixels/sec
Text processing 307.1 pages/sec 253.2 pages/sec
Background blur 72.3 images/sec 56.4 images/sec
Photo processing 191.8 images/sec 98.9 images/sec
Ray tracing 32.4 Mpixels/sec 36.8 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)
Ryzen AI Max 390
41737
Ryzen 9 8945HX +23%
51354
Integer math 146.5 GOps/sec 195 GOps/sec
Floating point math 90.6 GOps/sec 117.4 GOps/sec
Find prime numbers 316M Primes/sec 263M Primes/sec
Random string sorting 53.1M Strings/sec 78.7M Strings/sec
Data encryption 25.1 GBytes/sec 40.8 GBytes/sec
Data compression 487.1 MBytes/sec 676.9 MBytes/sec
Physics 2761 Frames/sec 2161 Frames/sec
Extended instructions 38.7B Matrices/sec 49.7B Matrices/sec
Sources: PassMark [3], [4] โ€“ 28 & 442 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen AI Max 390
342.35
Ryzen 9 8945HX +37%
468.88

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 24.7 PPW 29.7 PPW
Geekbench 6 Multi / Watt 344.6 PPW 276.7 PPW
Passmark CPU Mark / Watt 758.9 PPW 933.7 PPW
Blender / Watt 6.22 PPW 8.53 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
AMD Ryzen AI Max 390
No benchmark results yet
Add
AMD Ryzen 9 8945HX
DateBenchmarkResult
๐Ÿ“˜ 2025-12-10 (CADARTZ)Cinebench 2024114 / 1633
๐Ÿ“˜ 2025-10-03 (Imtiaz)Geekbench 6 CPU2706 / 11044
Add View all (2)

Specifications

Full technical specification of AMD Ryzen AI Max 390 and Ryzen 9 8945HX

General

Vendor Amd Amd
Released January 7, 2025 April 9, 2025
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 5 (Strix Halo) Zen 4 (Dragon Range)
Model number 390 8945HX
Integrated GPU Radeon 8050S Radeon 610M
Rival Equivalent - Intel Core Ultra X9 388H - Intel Core i9 14900HX
AMD Ryzen CPU ranking (16th and 34th place)

CPU

Performance Cores
P-Cores 12 16
P-Threads 24 32
Base Frequency (P) 3.2 GHz 2.5 GHz
Turbo Boost Frequency (P) 5 GHz 5.4 GHz
Total
Total Cores 12 16
Total Threads 24 32
Bus Frequency 100 MHz 100 MHz
Multiplier 32x 24x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 64MB (shared) 64MB (shared)
Unlocked Multiplier No Yes

Package

Fabrication Process 4 nm 5 nm
TDP (PL1) 45-55 W (configurable) 55 W
Max. Boost TDP (PL2) 120 W 75 W
Socket FP11 FL1
Peak Temperature 100ยฐC 100ยฐC
Laptop processors ranking (27th and 50th place)

iGPU

Integrated Graphics Radeon 8050S Radeon 610M
GPU Base Clock 1295 MHz 400 MHz
GPU Boost Clock 2800 MHz 2200 MHz
Shading Units 2048 128
TMUs 128 8
ROPs 64 4
Execution Units 32 2
TGP 55 W 15 W
iGPU FLOPS
Ryzen AI Max 390 +1817%
11.5 TFLOPS
Ryzen 9 8945HX
0.6 TFLOPS
More info: Radeon 610M compared to Radeon 8050S

Memory Support

Memory Types - LPDDR5X-8000 - DDR5-5200
Max. Memory Size 128 GB 64 GB
Memory Channels 4 2
Max. Memory Bandwidth 256 GB/s -
ECC Support No No

Misc

Official Site AMD Ryzen AI Max 390 official page AMD Ryzen 9 8945HX official page
PCI Express Version 4.0 5.0
PCI Express Lanes 16 28

Cast your vote

Choose between two processors
2 (25%)
6 (75%)
Total votes: 8

Competitors

1. AMD Ryzen AI Max 390 vs Intel Core Ultra X9 378H
2. AMD Ryzen AI Max 390 vs Intel Core Ultra 9 185H
3. AMD Ryzen AI Max 390 vs Intel Core Ultra X9 388H
4. AMD Ryzen AI Max 390 vs AMD Ryzen AI Max+ 395 (1)
5. AMD Ryzen AI Max 390 vs Intel Core Ultra 9 285H
6. AMD Ryzen 9 8945HX vs Intel Core i7 14700HX
7. AMD Ryzen 9 8945HX vs AMD Ryzen 9 270
8. AMD Ryzen 9 8945HX vs Intel Core i9 14900HX
9. AMD Ryzen 9 8945HX vs AMD Ryzen 9 8940HX
10. AMD Ryzen 9 8945HX vs AMD Ryzen 9 7945HX (2)
Compare other CPUs (460+)

Comments

So which CPU will you choose: AMD Ryzen 9 8945HX or AI Max 390?
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