Consumercarts is reader-supported. Learn more
Acer Predator Helios 18 PH18-71 vs ASUS ROG Strix SCAR 18: Comparison
What is the difference between Acer Predator Helios 18 PH18-71 and ASUS ROG Strix SCAR 18?
Start with vram, because it is the widest measured gap between them: Acer Predator Helios 18 PH18-71 16 GB against ASUS ROG Strix SCAR 18 24 GB, 33% in favour of ASUS ROG Strix SCAR 18.
Which should you buy, Acer Predator Helios 18 PH18-71 or ASUS ROG Strix SCAR 18?
Buy the Acer Predator Helios 18 PH18-71 for maximum frame-rate 18-inch gaming, though it is not built for portability-focused buyers. The ASUS ROG Strix SCAR 18 suits desktop-replacement setups where portability is not a priority, though it is the wrong buy for buyers prioritizing portability or battery life and budget-conscious buyers, this is a flagship-tier price point. The same goes for buyers wanting the fastest available mobile GPU for gaming or GPU-accelerated creative work. Our rating of the Acer Predator Helios 18 PH18-71 (8.9/10): the Predator Helios 18 is a desktop replacement with a Core i9-14900HX, RTX 40 series graphics, 32GB of DDR5 and an 18 inch 2560 by 1600 IPS display at 240Hz. Thunderbolt 4, WiFi 6E, a 90Wh battery and a free second SSD slot round out a very complete package. It weighs 3.5 kg, so it is a machine to leave on a desk. Both memory slots are filled, so RAM upgrades up to 64GB mean replacing modules.
What Acer Predator Helios 18 PH18-71 and ASUS ROG Strix SCAR 18 have in common
Where they agree, they agree completely, region sold, laptop class, operating system, cpu brand and cpu cores included, so the decision does not turn on any of those. They match on 16 further specifications as well.
Frequently asked questions
Do the Acer Predator Helios 18 PH18-71 and ASUS ROG Strix SCAR 18 differ on series id?
Yes. Series ID reads acer-predator-helios-18 on the Acer Predator Helios 18 PH18-71 versus rog-strix-scar-18-2026 on the ASUS ROG Strix SCAR 18.
Is the Sustained Power Source the same on the Acer Predator Helios 18 PH18-71 and ASUS ROG Strix SCAR 18?
It is. Both are listed at Not Measured, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Acer Predator Helios 18 PH18-71
- Acer
- ASUS ROG Strix SCAR 18
- ASUS
Series
- Acer Predator Helios 18 PH18-71
- Predator Helios 18
- ASUS ROG Strix SCAR 18
- ROG Strix SCAR 18
Series ID
- Acer Predator Helios 18 PH18-71
- acer-predator-helios-18
- ASUS ROG Strix SCAR 18
- rog-strix-scar-18-2026
SKU Name
- Acer Predator Helios 18 PH18-71
- Predator Helios 18 PH18-71 (i9-14900HX, RTX 4090, 32GB, 1TB)
- ASUS ROG Strix SCAR 18
- ROG Strix SCAR 18 (2026) G835LXG-TQ558X, RTX 5090 64GB 8TB
Chassis Code
- Acer Predator Helios 18 PH18-71
- PH18-71
- ASUS ROG Strix SCAR 18
- G835
Region Sold
- Acer Predator Helios 18 PH18-71
- Global
- ASUS ROG Strix SCAR 18
- Global
Laptop Class
- Acer Predator Helios 18 PH18-71
- Desktop Replacement
- ASUS ROG Strix SCAR 18
- Desktop Replacement
Release Year
- Acer Predator Helios 18 PH18-71
- 2024
- ASUS ROG Strix SCAR 18
- 2026
Operating System
- Acer Predator Helios 18 PH18-71
- Windows 11 Home
- ASUS ROG Strix SCAR 18
- Windows 11 Home
Weight
- Acer Predator Helios 18 PH18-71
- 3.5 kgBest
- ASUS ROG Strix SCAR 18
- 3.73 kg
CPU Brand
- Acer Predator Helios 18 PH18-71
- Intel
- ASUS ROG Strix SCAR 18
- Intel
CPU Model
- Acer Predator Helios 18 PH18-71
- Core i9-14900HX
- ASUS ROG Strix SCAR 18
- Core Ultra 9 290HX Plus
CPU Cores
- Acer Predator Helios 18 PH18-71
- 24
- ASUS ROG Strix SCAR 18
- 24
CPU Max Turbo Power
- Acer Predator Helios 18 PH18-71
- 157 W
- ASUS ROG Strix SCAR 18
- 160 W
Sustained Power Source
- Acer Predator Helios 18 PH18-71
- Not Measured
- ASUS ROG Strix SCAR 18
- Not Measured
Power Adapter Wattage
- Acer Predator Helios 18 PH18-71
- 330 W
- ASUS ROG Strix SCAR 18
- 450 WBest
GPU Brand
- Acer Predator Helios 18 PH18-71
- NVIDIA
- ASUS ROG Strix SCAR 18
- NVIDIA
GPU Model
- Acer Predator Helios 18 PH18-71
- GeForce RTX 4090 Laptop GPU
- ASUS ROG Strix SCAR 18
- GeForce RTX 5090 Laptop
VRAM
- Acer Predator Helios 18 PH18-71
- 16 GB-33%
- ASUS ROG Strix SCAR 18
- 24 GB
GPU Max Graphics Power
- Acer Predator Helios 18 PH18-71
- 175 W
- ASUS ROG Strix SCAR 18
- 175 W
Graphics Switching
- Acer Predator Helios 18 PH18-71
- Advanced Optimus
- ASUS ROG Strix SCAR 18
- MUX Switch
RAM Capacity
- Acer Predator Helios 18 PH18-71
- 32 GB
- ASUS ROG Strix SCAR 18
- 64 GBBest
RAM Type
- Acer Predator Helios 18 PH18-71
- DDR5
- ASUS ROG Strix SCAR 18
- DDR5
RAM Speed
- Acer Predator Helios 18 PH18-71
- 5600 MT/s
- ASUS ROG Strix SCAR 18
- 6400 MT/sBest
Memory Form Factor
- Acer Predator Helios 18 PH18-71
- SO-DIMM
- ASUS ROG Strix SCAR 18
- SO-DIMM
Memory Soldered
- Acer Predator Helios 18 PH18-71
- No
- ASUS ROG Strix SCAR 18
- No
Max RAM Supported
- Acer Predator Helios 18 PH18-71
- 64 GB
- ASUS ROG Strix SCAR 18
- 128 GB
RAM Slots
- Acer Predator Helios 18 PH18-71
- 2
- ASUS ROG Strix SCAR 18
- 2
RAM Slots Free
- Acer Predator Helios 18 PH18-71
- 0
- ASUS ROG Strix SCAR 18
- 0
Storage Slots
- Acer Predator Helios 18 PH18-71
- 2
- ASUS ROG Strix SCAR 18
- 2
Storage Slots Free
- Acer Predator Helios 18 PH18-71
- 1
- ASUS ROG Strix SCAR 18
- 0
Storage Form Factor
- Acer Predator Helios 18 PH18-71
- M.2 2280
- ASUS ROG Strix SCAR 18
- M.2 2280
Storage Interface
- Acer Predator Helios 18 PH18-71
- PCIe 4.0 x4
- ASUS ROG Strix SCAR 18
- PCIe 5.0 x4
SATA Bay Present
- Acer Predator Helios 18 PH18-71
- No
- ASUS ROG Strix SCAR 18
- No
Storage Capacity
- Acer Predator Helios 18 PH18-71
- 1000 GB
- ASUS ROG Strix SCAR 18
- 8000 GBBest
Storage Type
- Acer Predator Helios 18 PH18-71
- NVMe SSD
- ASUS ROG Strix SCAR 18
- NVMe SSD
Display Size
- Acer Predator Helios 18 PH18-71
- 18 inches
- ASUS ROG Strix SCAR 18
- 18 inches
Resolution Width
- Acer Predator Helios 18 PH18-71
- 2560 px
- ASUS ROG Strix SCAR 18
- 3840 px
Resolution Height
- Acer Predator Helios 18 PH18-71
- 1600 pxBest
- ASUS ROG Strix SCAR 18
- 2400 px
Refresh Rate
- Acer Predator Helios 18 PH18-71
- 240 Hz
- ASUS ROG Strix SCAR 18
- 240 Hz
Panel Type
- Acer Predator Helios 18 PH18-71
- IPS
- ASUS ROG Strix SCAR 18
- Mini LED
Touchscreen
- Acer Predator Helios 18 PH18-71
- No
- ASUS ROG Strix SCAR 18
- No
Battery Capacity
- Acer Predator Helios 18 PH18-71
- 90 Wh
- ASUS ROG Strix SCAR 18
- 90 Wh
Thunderbolt Support
- Acer Predator Helios 18 PH18-71
- Thunderbolt 4
- ASUS ROG Strix SCAR 18
- Thunderbolt 5
WiFi Standard
- Acer Predator Helios 18 PH18-71
- WiFi 6E
- ASUS ROG Strix SCAR 18
- WiFi 7
Which one should you pick?
Choose Acer Predator Helios 18 PH18-71 if you want the higher refresh rate (240 Hz vs 240 Hz).
Choose ASUS ROG Strix SCAR 18 if you want the higher VRAM (24 GB vs 16 GB).
Price comparison
| Retailer | Acer Predator Helios 18 PH18-71 | ASUS ROG Strix SCAR 18 |
|---|---|---|
| Acer Store | View on Acer Store |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Acer Predator Helios 18 PH18-71
8.9 / 10 Expert Rating
The Predator Helios 18 is a desktop replacement with a Core i9-14900HX, RTX 40 series graphics, 32GB of DDR5 and an 18 inch 2560 by 1600 IPS display at 240Hz.
ASUS ROG Strix SCAR 18
9.2 / 10 Expert Rating
This 18-inch desktop replacement pairs a Core Ultra 9 290HX Plus with an RTX 50 series GPU carrying 24GB of VRAM and 64GB of DDR5.