Acer Predator Helios 18 AI (PH18-I71) vs MSI Prestige 16 AI+ C3M
63.6Performancechip61.8
54.7Display40
98.7Battery74.7
20Portability74
2 spec wins — Acer Predator Helios 18 AI (PH18-I71)3 spec wins — MSI Prestige 16 AI+ C3M
InnoReviews verdict
This one is close to a dead heat: Acer Predator Helios 18 AI (PH18-I71) scores 61.2 against 61.4 for MSI Prestige 16 AI+ C3M. Pick by the categories that matter to you — MSI Prestige 16 AI+ C3M edges ahead in portability, or by price.
Which would you pick?
Key differences
Reasons to pick the Acer Predator Helios 18 AI (PH18-I71)
- Stronger display score: 55 vs 40
- Stronger battery score: 99 vs 75
- 22% higher capacity: 99 Wh vs 81 Wh
- 13% higher Screen size: 18 ″ vs 16 ″
Reasons to pick the MSI Prestige 16 AI+ C3M
- Stronger portability score: 74 vs 20
- 100% higher storage: 2,048 GB vs 1,024 GB
- 55% lower weight: 1.59 kg vs 3.5 kg
- 53% lower thickness: 13.9 mm vs 29.6 mm
Display
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Screen size | 18 ″+13% | 16 ″ |
| Panel type | Mini LED (Dual-Mode: 4K 120Hz / FHD 240Hz, G-SYNC) | OLED |
| Resolution | 3840x2400 | 2880x1800 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | — |
Performance
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Processor | Intel Core Ultra 9 290HX Plus | Intel Core Ultra X9 388H |
| Graphics | NVIDIA GeForce RTX 5090 Laptop GPU (24GB GDDR7) | Intel Arc B390 Graphics (integrated, 12 Xe3 cores) |
| RAM | 32 GB | 32 GB |
| RAM type | DDR5 | LPDDR5X (soldered) |
| Storage | 1,024 GB | 2,048 GB+100% |
| Storage type | PCIe NVMe SSD (Gen 5 slots) | PCIe 4.0 NVMe SSD (1 M.2 slot) |
Benchmarks
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Geekbench 6 (single) | 2,524Bottom 22% | — |
| Geekbench 6 (multi) | 22,741Top 4% | — |
Battery
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Capacity | 99 Wh+22% | 81 Wh |
| Charging | — | 65 W |
Design
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Weight | 3.5 kg | 1.59 kg+55% |
| Thickness | 29.6 mm | 13.9 mm+53% |
| Material | — | Aluminum alloy |
Connectivity
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Ports | 2x Thunderbolt 5 (USB-C), 2x USB-A 3.2 Gen 1, 1x USB-A 3.2 Gen 2, HDMI 2.1, SD card reader, 3.5mm combo audio jack, RJ-45 Ethernet, DC-in, Kensington lock | 2x Thunderbolt 4 (DisplayPort, Power Delivery 3.0), 2x USB-A 3.2 Gen 1, HDMI 2.1, 3.5mm combo jack |
| Wi-Fi | Wi-Fi 7 (Intel Killer BE1750x) | Wi-Fi 7 (Intel Killer BE1775) |
| Bluetooth | 5.4 | 6.0 |
| Webcam | FHD 1080p IR webcam | 1080p IR with privacy shutter |
| Biometrics | — | Fingerprint reader, IR camera for Windows Hello |
Software
| Spec | Acer Predator Helios 18 AI (PH18-I71) | MSI Prestige 16 AI+ C3M |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
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