Side by side comparison and review of Acer Predator Helios 500 (PH517-51) and MSI GS66 10SGS (475UK Stealth). 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 10SGS (475UK 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
noisy under load
expensive price point
heavy for portability
limited upgradeability
| DESIGN AND DIMENSIONS | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 42.8 cm x 29.8 cm x 3.87 cm | 35.83 cm x 24.8 cm x 1.98 cm |
| Weight | 4 kg | 2.1 kg |
| Case Material | Polycarbonate, ABS plastic | - |
| Colour | Obsidian black | Black |
| DISPLAY | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Screen Size (Type) | 17.3" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 144 Hz | 300 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | - |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare, ComfyView, Slim Design, Mercury free, Wide Viewing Angle, 9 ms response rate | MSI Matrix Display, MSI True Color Technology 2.0, thin bezel design |
| PROCESSOR | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| CPU | Intel Core i9 (8th Gen) 8950HK / 2.9 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 5.1 GHz |
| Number of Cores | 6-core | 8-core |
| Cache | 12 MB | 16 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel HM370 | Intel HM470 |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2933 MHz |
| Rated Speed | 2666 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 2 |
| Empty Slots | 2 | 0 |
| STORAGE | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|---|---|
| Secondary Storage | 2 TB HDD SATA 6Gb/s / 5400 rpm - HGST | - |
| AUDIO & VIDEO | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1070 | NVIDIA GeForce RTX 2080 SUPER |
|---|---|---|
| Video Memory | 8 GB GDDR5 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA G-SYNC | Max-Q design |
| Camera | Yes - 1280 x 720 | Yes - 720p |
| Camera Features | 720p HD movie recording, super high dynamic range imaging (SHDR) | IR camera |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, subwoofer, two microphones | Stereo speakers, microphone |
| Compliant Standards | Wave MAXX | - |
| Audio Features | MaxxAudio, Acer TrueHarmony technology | Dynaudio Premium Sound Technology, Nahimic 3 sound technology |
| COMMUNICATIONS | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Killer Wireless-AC 1550 - M.2 Card | Killer Wi-Fi 6 AX1650i |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer Ethernet E2500 | - |
| Features | Wake-on-LAN (WOL) | Killer DoubleShot Pro Technology, Killer Shield, dual stream (2x2), Killer Wireless xTend Technology |
| BATTERY | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 74 Wh | 99.9 Wh |
| Battery Life | Up to 3.5 hours | - |
| AC ADAPTER | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 330 Watt, 19.5 V | 230 Watt |
| INPUT | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Multi-gesture touch pad, FineTip keyboard, precision touchpad, Acer PredatorSense, Backlit touchpad | SteelSeries Engine 3, per-key RGB |
| CONNECTIONS & EXPANSIONS | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Interfaces | LAN 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI 3 x USB 3.0 Microphone input Headphone/microphone combo jack DisplayPort |
LAN HDMI USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 3 x USB 3.2 Gen 2 Headphone/microphone combo jack |
|---|
| SOFTWARE | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Operating System (OS) | Windows 10 Home Single Language 64-bit Edition | Windows 10 Home Advanced |
|---|---|---|
| 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 | Acer Predator Helios 500 (PH517-51) | MSI GS66 10SGS (475UK Stealth) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Dual Acer AeroBlade 3D Fans, WMR compatible | SteelSeries gaming keyboard, Cooler Boost Trinity+ technology |
| Compliant Standards | ACPI 5.0 | - |
| Manufacturer Warranty | - | Limited warranty - 2 years |
| Model Number | 990F | - |
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