In depth comparison and review of MSI GP66 11UH (251UK Leopard) and Acer Predator Helios 18 (PH18). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of MSI GP66 11UH (251UK Leopard) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
robust build quality
excellent cooling system
good audio quality
heavy and bulky
short battery life
noisy under load
expensive price point
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 | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 26.7 cm x 2.34 cm | 40.4 cm x 31.16 cm x 2.915 cm |
| Weight | 2.38 kg | 3.4 kg |
| Case Material | - | Anodised aluminium |
| Colour | - | Abyssal black |
| DISPLAY | MSI GP66 11UH (251UK Leopard) | 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. | 240 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | 100% sRGB | 100% DCI-P3 |
| Features | MSI Matrix Display | Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS) |
| PROCESSOR | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| CPU | Intel Core i7 (11th Gen) 11800H / 2.3 GHz | Intel Core i9 (13th Gen) 13900HX / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 5.4 GHz |
| Number of Cores | 8-core | 24-core |
| Cache | 24 MB | L3 - 36 MB |
| Chipset | Intel HM570 | Intel HM770 |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Speed Shift Technology, Intel Deep Learning Boost (DL Boost) | - |
| MEMORY | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| RAM | 32 GB (2 x 16 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 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 | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | NVIDIA GeForce RTX 4080 / Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | 12 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Resizable BAR, Dynamic Boost 2.0 | Advanced Optimus |
| Gaming | - | Yes |
| Camera | Yes - 720p | Yes - Full HD |
| Camera Features | - | Temporal Noise Reduction |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
| Compliant Standards | - | DTS:X |
| Audio Features | Nahimic 3 sound technology | - |
| COMMUNICATIONS | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6E AX1675 | Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Technology | 4-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 65 Wh | 90 Wh |
| AC ADAPTER | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Output | - | 330 Watt, 19.5 V, 16.9 A |
|---|
| INPUT | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | SteelSeries Engine 3, per-key RGB | Multi-gesture touch pad, precision touchpad, Acer PredatorSense, per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Interfaces | LAN HDMI Mini DisplayPort Headphone/microphone combo jack 3 x USB 3.2 Gen 1 |
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 | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Home |
|---|---|---|
| Software Included | SteelSeries Engine 3, MSI APP Player | - |
| MISCELLANEOUS | MSI GP66 11UH (251UK Leopard) | Acer Predator Helios 18 (PH18) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | SteelSeries gaming keyboard, Cooler Boost 5 technology | Administrator password, system password, 5th Gen AeroBlade 3D fan technology |
| SAR Value | - | 0.832 W/kg (body), 0.832 W/kg (head), 0.832 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 71 |
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