Side by side comparison and review of Alienware M15 R5 and Acer Predator Helios 500 (PH517-51). 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 Alienware M15 R5 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
customizable rgb lighting
advanced cooling technology
sturdy build quality
heavy and bulky
short battery life
expensive base model
loud fan noise
| DESIGN AND DIMENSIONS | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.62 cm x 27.25 cm x 1.92 cm | 42.8 cm x 29.8 cm x 3.87 cm |
| Weight | 2.69 kg | 4 kg |
| Case Material | - | Polycarbonate, ABS plastic |
| Colour | Dark Side of the Moon | Obsidian black |
| DISPLAY | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Screen Size (Type) | 15.6" | 17.3" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 2560 x 1440 (QHD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 188 | - |
| V-Sync Rate at Max Res. | 240 Hz | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 99% DCI-P3 | - |
| Features | Anti-glare, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 9 ms response rate, 240 Hz refresh rate | Anti-glare, ComfyView, Slim Design, Mercury free, Wide Viewing Angle, 9 ms response rate |
| PROCESSOR | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| CPU | AMD Ryzen 9 5900HX / 3.3 GHz | Intel Core i9 (8th Gen) 8950HK / 2.9 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.8 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | L3 - 16 MB | 12 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel HM370 |
| Features | - | Intel Turbo Boost Technology 2.0 |
| MEMORY | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2666 MHz |
| Rated Speed | 3200 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 0 | 2 |
| STORAGE | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) | 128 GB SSD - Kingston |
|---|---|---|
| Secondary Storage | - | 2 TB HDD SATA 6Gb/s / 5400 rpm - HGST |
| AUDIO & VIDEO | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3070 | NVIDIA GeForce GTX 1070 |
|---|---|---|
| Video Memory | 8 GB GDDR6 SDRAM | 8 GB GDDR5 SDRAM |
| Video System Features | - | NVIDIA G-SYNC |
| Camera | Yes - HD | Yes - 1280 x 720 |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 74.9 degrees, RGB camera | 720p HD movie recording, super high dynamic range imaging (SHDR) |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, subwoofer, two microphones |
| Codec | Realtek ALC3254 | - |
| Compliant Standards | High Definition Audio | Wave MAXX |
| Audio Features | Nahimic sound technology | MaxxAudio, Acer TrueHarmony technology |
| COMMUNICATIONS | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650x | Killer Wireless-AC 1550 - M.2 Card |
| Network Interface | 2.5 Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Killer Ethernet E2500 |
| Features | - | Wake-on-LAN (WOL) |
| BATTERY | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 74 Wh |
| Battery Life | Up to 6.17 hours | Up to 3.5 hours |
| AC ADAPTER | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 19.5 V | 330 Watt, 19.5 V |
| INPUT | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Multi-gesture touch pad, precision touchpad, 4 RGB zones | Multi-gesture touch pad, FineTip keyboard, precision touchpad, Acer PredatorSense, Backlit touchpad |
| CONNECTIONS & EXPANSIONS | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | HDMI USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) 2 x USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
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 |
| SOFTWARE | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home Single Language 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office 2013 (Trial) | - |
| MISCELLANEOUS | Alienware M15 R5 | Acer Predator Helios 500 (PH517-51) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | AlienFX Lighting Zones | Dual Acer AeroBlade 3D Fans, WMR compatible |
| Compliant Standards | DisplayPort 1.4 | ACPI 5.0 |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 50 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 15 months | - |
| Model Number | - | 990F |
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