MSI GS66 11UH (085UK Stealth) vs. Acer Predator Helios 18 (PH18)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of MSI GS66 11UH (085UK 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.

MSI GS66 11UH (085UK Stealth) Review

Advantages and disadvantages of MSI GS66 11UH (085UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

sleek, durable design

good thermal management

decent battery life

relatively expensive

heavy for portability

noisy under load

limited color accuracy

Acer Predator Helios 18 (PH18) Review

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

Laptop Comparison and Tests

Difference between MSI GS66 11UH (085UK Stealth) and Acer Predator Helios 18 (PH18)
82 % - Design
85 % - Display
92 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

MSI GS66 11UH (085UK Stealth) vs. Acer Predator Helios 18 (PH18) Comparison Chart
DESIGN AND DIMENSIONS MSI GS66 11UH (085UK 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 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
Screen Size (Type) 15.6" 18" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 3840 x 2160 (Ultra HD 4K) 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. 60 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 Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS)
PROCESSOR MSI GS66 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
CPU Intel Core i9 (11th Gen) 11900H / 2.5 GHz Intel Core i9 (13th Gen) 13900HX / 2.2 GHz
Max Turbo Speed 4.9 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 Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) -
MEMORY MSI GS66 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
RAM 64 GB (2 x 32 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 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
Main Storage Size (HDD/SSD) 2 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 11UH (085UK Stealth) 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 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 11UH (085UK 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 AX1675i - M.2 2230 (CNVi)
Network Interface 2.5 Gigabit Ethernet Ethernet
Features - Dual stream (2x2)
BATTERY MSI GS66 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
Technology 4-cell lithium polymer -
Battery Capacity (Size) 99 Wh 90 Wh
AC ADAPTER MSI GS66 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
Output 230 Watt 330 Watt, 19.5 V, 16.9 A
INPUT MSI GS66 11UH (085UK 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 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
Interfaces Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
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 11UH (085UK Stealth) Acer Predator Helios 18 (PH18)
Operating System (OS) Windows 10 Pro Windows 11 Home
Software Included Norton Internet Security (60 days trial), SteelSeries Engine 3, Killer Network Manager, Microsoft Office 2016 (30 days trial), MSI Mystic Light, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player, MSI True Color 3.0, MSI Center -
MISCELLANEOUS MSI GS66 11UH (085UK 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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