Side by side comparison and review of Lenovo Legion 7 15IMHg05 (81YU) and Acer Predator Helios 18 (PH18). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo Legion 7 15IMHg05 (81YU) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high-quality display
robust build quality
effective thermal management
ample connectivity options
heavy and bulky
short battery life
expensive price point
loud under load
Advantages and disadvantages of Acer Predator Helios 18 (PH18) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
vibrant large display
advanced cooling system
expandable storage options
high-quality speakers
heavier than competitors
short battery life
expensive base model
limited port selection
| DESIGN AND DIMENSIONS | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.934 cm x 25.904 cm x 1.99 cm | 40.4 cm x 31.16 cm x 2.915 cm |
| Weight | 2.25 kg | 3.4 kg |
| Case Material | Aluminum | Anodised aluminium |
| Colour | Slate grey | Abyssal black |
| DISPLAY | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Screen Size (Type) | 15.6" | 18" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | 144 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 500 cd/m² | 500 cd/m² |
| Colour Gamut | 100% Adobe RGB | 100% DCI-P3 |
| Features | Anti-glare, NVIDIA G-SYNC compatible, Wide Viewing Angle, DisplayHDR 400, Dolby Vision | Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS) |
| PROCESSOR | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| CPU | Intel Core i7 (10th Gen) 10875H / 2.3 GHz | Intel Core i9 (13th Gen) 13900HX / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 5.1 GHz | 5.4 GHz |
| Number of Cores | 8-core | 24-core |
| Cache | 16 MB | L3 - 36 MB |
| 64-bit Computing | Yes | - |
| Chipset | Intel HM470 | Intel HM770 |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2933 MHz | 5600 MHz |
| Rated Speed | 3200 MHz | 5600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 / Intel UHD Graphics | NVIDIA GeForce RTX 4080 / Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | 12 GB GDDR6 SDRAM |
| Video System Features | Max-Q design | Advanced Optimus |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - Full HD |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter, fixed focus | Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | DTS:X |
| VR Ready | Yes | - |
| COMMUNICATIONS | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 90 Wh |
| Battery Life | Up to 8 hours | - |
| AC ADAPTER | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 230 Watt | 330 Watt, 19.5 V, 16.9 A |
| INPUT | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Anti-ghosting, spill-resistant, multi-touch touchpad, buttonless touchpad, RGB LED backlight | Multi-gesture touch pad, precision touchpad, Acer PredatorSense, per-key RGB |
| CONNECTIONS & EXPANSIONS | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Interfaces | USB 3.1 Gen 1 (Always On) 2 x USB 3.1 Gen 2 USB-C 3.1 Gen 1 (supports DisplayPort 1.4 Alt Mode) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) HDMI LAN Headphone/microphone combo jack |
HDMI 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 USB 3.2 Gen 2 (with power off charging) LAN USB 3.2 Gen 1 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo Legion 7 15IMHg05 (81YU) | Acer Predator Helios 18 (PH18) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | RGB lighting | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | - |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, Corsair iCUE, Rapid Charge Pro | Administrator password, system password, 5th Gen AeroBlade 3D fan technology |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | 0.03 W/kg (body), 0.03 W/kg (limb) | 0.832 W/kg (body), 0.832 W/kg (head), 0.832 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 71 |
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