Acer Predator Helios 18 AI (PH18-I71) vs Lenovo Legion 5a Gen 11 (15AGP11)
VS
63.6Performance55.8
54.7Display61.1
98.7Battery73.3
20Portability57.4
3 spec wins — Acer Predator Helios 18 AI (PH18-I71)4 spec wins — Lenovo Legion 5a Gen 11 (15AGP11)
InnoReviews verdict
This one is close to a dead heat: Acer Predator Helios 18 AI (PH18-I71) scores 61.2 against 61.3 for Lenovo Legion 5a Gen 11 (15AGP11). Pick by the categories that matter to you — Lenovo Legion 5a Gen 11 (15AGP11) edges ahead in portability and display, or by price.
Which would you pick?
Key differences
Reasons to pick the Acer Predator Helios 18 AI (PH18-I71)
- Stronger performance score: 64 vs 56
- Stronger battery score: 99 vs 73
- 48% higher Geekbench 6 (multi): 22,741 vs 15,344
- 24% higher capacity: 99 Wh vs 80 Wh
- 18% higher Screen size: 18 ″ vs 15.3 ″
Reasons to pick the Lenovo Legion 5a Gen 11 (15AGP11)
- Stronger display score: 61 vs 55
- Stronger portability score: 57 vs 20
- 47% lower weight: 1.87 kg vs 3.5 kg
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- 32% lower thickness: 20 mm vs 29.6 mm
- Lower launch price: $1,639 vs $4,500
Display
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| Screen size | 18 ″+18% | 15.3 ″ |
| Panel type | Mini LED (Dual-Mode: 4K 120Hz / FHD 240Hz, G-SYNC) | OLED |
| Resolution | 3840x2400 | 2560x1600 |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 1,000 nits | 1,000 nits |
Performance
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| Processor | Intel Core Ultra 9 290HX Plus | AMD Ryzen AI 9 465 |
| Graphics | NVIDIA GeForce RTX 5090 Laptop GPU (24GB GDDR7) | NVIDIA GeForce RTX 5060 Laptop GPU (8GB GDDR7, 115W) |
| RAM | 32 GB | 32 GB |
| RAM type | DDR5 | DDR5-5600 (SO-DIMM, 2 slots) |
| Storage | 1,024 GB | 1,024 GB |
| Storage type | PCIe NVMe SSD (Gen 5 slots) | NVMe SSD (M.2 2242 PCIe 4.0 x4, second M.2 2280 slot free) |
Benchmarks
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| Geekbench 6 (single) | 2,524Bottom 22% | 2,920+16%Top 30% |
| Geekbench 6 (multi) | 22,741+48%Top 4% | 15,344Top 36% |
Battery
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| Capacity | 99 Wh+24% | 80 Wh |
| Charging | — | 245 W |
Design
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| Weight | 3.5 kg | 1.87 kg+47% |
| Thickness | 29.6 mm | 20 mm+32% |
| Material | — | Aluminum lid, plastic (PC-ABS) base |
Connectivity
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| 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 USB4 (40Gbps, USB PD 65-100W input, DisplayPort 1.4), 1x USB-A (5Gbps, always-on), 2x USB-A (5Gbps), HDMI 2.1 (up to 8K/60Hz), RJ-45 Gigabit Ethernet, 3.5mm combo audio jack |
| Wi-Fi | Wi-Fi 7 (Intel Killer BE1750x) | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Webcam | FHD 1080p IR webcam | 5MP IR camera with E-shutter |
| Biometrics | — | IR camera for Windows Hello face recognition |
Software
| Spec | Acer Predator Helios 18 AI (PH18-I71) | Lenovo Legion 5a Gen 11 (15AGP11) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
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