Home > CPU Comparison > M1 Ultra or Ryzen 9 7945HX3D: what's better?

Apple M1 Ultra vs AMD Ryzen 9 7945HX3D

71 out of 100
Apple M1 Ultra
VS
74 out of 100
AMD Ryzen 9 7945HX3D
Apple M1 Ultra
AMD Ryzen 9 7945HX3D

We compared two laptop CPUs: the 3.2 GHz Apple M1 Ultra with 20-cores against the 2.3 GHz AMD Ryzen 9 7945HX3D 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.
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Key Differences

What are the key differences between 7945HX3D and Ultra
Advantages of Apple M1 Ultra
  • More powerful Apple M1 Ultra GPU (64-core) integrated graphics: 21.2 vs 0.6 TFLOPS
  • Supports up to 128 GB LPDDR5-6400 RAM
  • Has 4 more physical cores
Advantages of AMD Ryzen 9 7945HX3D
  • Unlocked multiplier
  • Newer - released 1 year and 5 months later
  • 15% faster in a single-core Geekbench v6 test - 2800 vs 2436 points

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
M1 Ultra
vs
Ryzen 9 7945HX3D

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
M1 Ultra
1625
Ryzen 9 7945HX3D +9%
1772
Cinebench Scores (#46th 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)
M1 Ultra
2436
Ryzen 9 7945HX3D +15%
2800
Geekbench 6 (Multi-Core)
M1 Ultra +9%
18530
Ryzen 9 7945HX3D
16929
File compression 2000 MB/sec 1520 MB/sec
Clang compilation 189 Klines/sec 178.3 Klines/sec
HTML 5 Browser 513.5 pages/sec 299.6 pages/sec
PDF Renderer 548.8 Mpixels/sec 456.8 Mpixels/sec
Text processing 250.5 pages/sec 288.5 pages/sec
Background blur 42.3 images/sec 60.1 images/sec
Photo processing 151.4 images/sec 104.6 images/sec
Ray tracing 27.8 Mpixels/sec 36.9 Mpixels/sec
Sources: GeekBench [1], [2] – 509 & 67 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
M1 Ultra
3860
Ryzen 9 7945HX3D +5%
4064
Passmark CPU (Multi-Core)
M1 Ultra
41392
Ryzen 9 7945HX3D +39%
57724
Integer math 92.4 GOps/sec 202.2 GOps/sec
Floating point math 130.1 GOps/sec 121.8 GOps/sec
Find prime numbers 538M Primes/sec 443M Primes/sec
Random string sorting 66.8M Strings/sec 84.6M Strings/sec
Data encryption 24.9 GBytes/sec 42.6 GBytes/sec
Data compression 556.6 MBytes/sec 704.8 MBytes/sec
Physics 5558 Frames/sec 4366 Frames/sec
Extended instructions 25.4B Matrices/sec 52.4B Matrices/sec
Sources: PassMark [3], [4] – 236 & 308 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
M1 Ultra
406.35
Ryzen 9 7945HX3D +14%
461.52

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 23.2 PPW 23.6 PPW
Geekbench 6 Multi / Watt 264.7 PPW 225.7 PPW
Passmark CPU Mark / Watt 591.3 PPW 769.7 PPW
Blender / Watt 5.81 PPW 6.15 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Apple M1 Ultra and AMD Ryzen 9 7945HX3D

General

Vendor Apple Amd
Released March 8, 2022 August 22, 2023
Type Laptop Laptop
Instruction Set ARMv8 x86-64
Codename Apple M1 Zen 4 (Dragon Range)
Model number APL1106/APL1W06 7945HX3D
Integrated GPU Apple M1 Ultra GPU (64-core) Radeon 610M
Rival Equivalent - Intel Core i9 12900K - Intel Core i9 13950HX
Successor - Apple M4 Ultra - AMD Ryzen 9 9955HX3D
AMD Ryzen CPU ranking (#23rd place)

CPU

Performance Cores
P-Cores 16 16
P-Threads 16 32
Base Frequency (P) 3.2 GHz 2.3 GHz
Turbo Boost Frequency (P) - 5.4 GHz
Efficient Cores
E-Cores 4 -
E-Threads 4 -
Base Frequency (E) 2.1 GHz -
Total
Total Cores 20 16
Total Threads 20 32
Bus Frequency - 100 MHz
Multiplier - 23x
L1 Cache 192K (per core) 64K (per core)
L2 Cache 48MB (shared) 1MB (per core)
L3 Cache - 128MB (shared)
Unlocked Multiplier No Yes

Package

Transistors 114 billions 17.8 billions
Fabrication Process 5 nm 5 nm
TDP (PL1) 70 W 55-75 W (configurable)
Socket Apple M-Socket FL1
Peak Temperature - 89°C

iGPU

Integrated Graphics Apple M1 Ultra GPU (64-core) Radeon 610M
GPU Base Clock 450 MHz 400 MHz
GPU Boost Clock 1296 MHz 2200 MHz
Shading Units 8192 128
TMUs 512 8
ROPs 256 4
Execution Units 1024 2
TGP 120 W 15 W
iGPU FLOPS
M1 Ultra +3433%
21.2 TFLOPS
Ryzen 9 7945HX3D
0.6 TFLOPS
More info: Radeon 610M compared to Apple M1 Ultra GPU (64-core)

Memory Support

Memory Types - LPDDR5-6400 - DDR5-5200
Max. Memory Size 128 GB 64 GB
Memory Channels 8 2
Max. Memory Bandwidth 819.2 GB/s -
ECC Support No No

Misc

Official Site - AMD Ryzen 9 7945HX3D official page
PCI Express Version - 5.0
PCI Express Lanes - 28

Cast your vote

Choose between two processors
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Total votes: 1

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Comments

So which CPU will you choose: AMD Ryzen 9 7945HX3D or Apple M1 Ultra?
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