In depth comparison and review of MSI GS66 12UGS (203UK Stealth) 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 GS66 12UGS (203UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
sleek, durable design
advanced cooling system
good battery life
relatively expensive
heavy for portability
noisy under load
limited color accuracy
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 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.83 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 12UGS (203UK 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. | 240 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | 100% DCI-P3 | 100% DCI-P3 |
| Features | MSI Matrix Display, IPS-level | Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS) |
| PROCESSOR | MSI GS66 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i9 (13th Gen) 13900HX / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 5.4 GHz |
| Number of Cores | 14-core | 24-core |
| Cache | 24 MB | L3 - 36 MB |
| Chipset | - | Intel HM770 |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) | - |
| MEMORY | MSI GS66 12UGS (203UK 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 | DDR5 SDRAM | DDR5 SDRAM |
| Speed | 4800 MHz | 5600 MHz |
| Rated Speed | - | 5600 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | MSI GS66 12UGS (203UK 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 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3070 Ti | NVIDIA GeForce RTX 4080 / Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | 12 GB GDDR6 SDRAM |
| Video System Features | Max-Q design, Dynamic Boost | Advanced Optimus |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - Full HD |
| Camera Features | IR camera | Temporal Noise Reduction |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
| Compliant Standards | - | DTS:X |
| Audio Features | Dynaudio Premium Sound Technology, Nahimic 3 sound technology | - |
| COMMUNICATIONS | MSI GS66 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 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 | 2.5 Gigabit Ethernet | Ethernet |
| Ethernet Controller | Killer E3100G | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | MSI GS66 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Technology | 4-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 99.9 Wh | 90 Wh |
| AC ADAPTER | MSI GS66 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Output | 240 Watt | 330 Watt, 19.5 V, 16.9 A |
|---|
| INPUT | MSI GS66 12UGS (203UK 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 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Slots | 2 x M.2 (PCI Express 4.0) (1 free) | - |
|---|---|---|
| Interfaces | LAN HDMI USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) 2 x USB 3.2 Gen 2 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 | MSI GS66 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Operating System (OS) | Windows 11 Home Advanced | Windows 11 Home |
|---|---|---|
| Software Included | Norton Internet Security (60 days trial), Killer Network Manager, MSI Mystic Light, NVIDIA GeForce Experience, MSI APP Player, MSI Center, MSI Battery Master, SteelSeries GG, MSI Companion, Game Highlights, Ambient Link, Crosshair | - |
| MISCELLANEOUS | MSI GS66 12UGS (203UK Stealth) | Acer Predator Helios 18 (PH18) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | - |
| 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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