Side by side comparison and review of MSI GS66 11UG (278UK Stealth) 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 MSI GS66 11UG (278UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
sleek, attractive design
robust build quality
good thermal management
relatively expensive
average battery life
heavy for portability
noisy 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 | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.8 cm x 1.98 cm | 40.4 cm x 31.16 cm x 2.915 cm |
| Weight | 2.1 kg | 3.4 kg |
| Case Material | - | Anodised aluminium |
| Colour | Core black | Abyssal black |
| DISPLAY | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Screen Size (Type) | 15.6" | 18" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1440 (QHD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | 165 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | - | 100% DCI-P3 |
| Features | MSI Matrix Display, narrow-bezel design | Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS) |
| PROCESSOR | MSI GS66 11UG (278UK Stealth) | 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 Deep Learning Boost (DL Boost) | - |
| MEMORY | MSI GS66 11UG (278UK Stealth) | 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 GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3070 | 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 |
| Camera | Yes - 720p | Yes - Full HD |
| Camera Features | IR camera | Temporal Noise Reduction |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers | Stereo speakers, two microphones |
| Compliant Standards | - | DTS:X |
| COMMUNICATIONS | MSI GS66 11UG (278UK Stealth) | 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) |
| BATTERY | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Technology | 4-cell | - |
|---|---|---|
| Battery Capacity (Size) | 99 Wh | 90 Wh |
| AC ADAPTER | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Output | 230 Watt | 330 Watt, 19.5 V, 16.9 A |
|---|
| INPUT | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Per-key RGB | Multi-gesture touch pad, precision touchpad, Acer PredatorSense, per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C (supports Thunderbolt 4) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) 3 x USB 3.2 Gen 2 LAN HDMI |
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 GS66 11UG (278UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Operating System (OS) | Windows 10 Home Advanced | Windows 11 Home |
|---|---|---|
| Software Included | WinZip, Norton Internet Security (60 days trial), SteelSeries Engine 3, MSI Dragon Gaming Center, Killer Network Manager, Microsoft Office 2016 (30 days trial), MSI True Color 2.0, Nahimic VR, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player | - |
| MISCELLANEOUS | MSI GS66 11UG (278UK Stealth) | 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 Trinity+ 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 - 2 years | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 71 |
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