Detailed comparison and review of Alienware M15 R2 and Acer Predator Helios 300 (PH315-51). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.05 cm x 27.6 cm x 1.95 cm | 39 cm x 26.6 cm x 2.675 cm |
| Weight | 2.16 kg | 2.7 kg |
| Case Material | - | Anodised aluminium |
| Colour | Lunar light | Obsidian black |
| DISPLAY | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 144 Hz | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 72% | - |
| Features | Anti-glare, Tobii IR Eye-tracking, ±85° horizontal viewing angle, ±85° vertical viewing angle, 9 ms response rate, 0.179 mm pixel pitch | Anti-glare, ComfyView, 7 ms response rate |
| PROCESSOR | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i5 (8th Gen) 8300H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 12 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel HM370 | Mobile Intel HM370 |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Technology 2.0 |
| MEMORY | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (2 x 4 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe | 128 GB SSD - SK Hynix |
|---|---|---|
| Secondary Storage | - | 1 TB HDD SATA / 5400 rpm - HGST |
| AUDIO & VIDEO | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2060 | NVIDIA GeForce GTX 1060 |
|---|---|---|
| Video Memory | 6 GB GDDR6 SDRAM | 6 GB GDDR5 SDRAM |
| Video System Features | Overclocked | - |
| Camera | Yes - Full HD | Yes - HD |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 74.9 degrees, RGB camera | - |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3281-CG | - |
| Compliant Standards | High Definition Audio | - |
| Audio Features | - | Acer TrueHarmony technology |
| COMMUNICATIONS | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Intel Wireless-AC 9560 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 76 Wh | 48 Wh |
| Battery Life | - | Up to 7 hours |
| AC ADAPTER | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 19.5 V | 180 Watt, 19.5 V |
| INPUT | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Multi-gesture touch pad, Per-Key illumination | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
| CONNECTIONS & EXPANSIONS | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB 3.1 Gen 1 (PowerShare) USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Mini DisplayPort Graphics Amplifier Port Headphone/microphone combo jack LAN |
USB 3.0 (with power off charging) 2 x USB 2.0 LAN HDMI USB-C 3.1 Gen 1 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card) |
| SOFTWARE | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Operating System (OS) | Windows 10 Home Advanced 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Alienware M15 R2 | Acer Predator Helios 300 (PH315-51) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | MIMO technology, AlienFX Lighting Zones, Cryo-Tech cooling v3.0 | MU-MIMO technology, WMR compatible |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Model Number | - | 50PN |
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