In depth comparison and review of Alienware M15 R2 and Acer Predator Helios 300 (PH315). 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.
| DESIGN AND DIMENSIONS | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.05 cm x 27.6 cm x 1.95 cm | 35.94 cm x 27.64 cm x 2.615 cm |
| Weight | 2.16 kg | 2.5 kg |
| Case Material | - | Anodised aluminium |
| Colour | Lunar light | Abyssal black |
| DISPLAY | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| 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 | 165 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 72% | 100% sRGB |
| 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, matte, ComfyView, Narrow Border Display, 9 ms response rate, 3ms (grey-to-grey) response rate (Overdrive), Dynamic Display Switching (DDS) |
| PROCESSOR | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i5 (12th Gen) 12500H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4.5 GHz |
| Number of Cores | 6-core | 12-core |
| Cache | 12 MB | 18 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel HM370 | - |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Technology, Intel Smart Cache |
| MEMORY | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2666 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2060 | NVIDIA GeForce RTX 3060 |
|---|---|---|
| Video Memory | 6 GB GDDR6 SDRAM | 6 GB GDDR6 SDRAM |
| Video System Features | Overclocked | - |
| Gaming | - | Yes |
| Camera | Yes - Full HD | Yes - Full HD |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 74.9 degrees, RGB camera | Temporal Noise Reduction |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | 1920 x 1080 |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3281-CG | - |
| Compliant Standards | High Definition Audio | DTS:X Ultra |
| COMMUNICATIONS | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 76 Wh | 90 Wh |
| Battery Life | - | Up to 9 hours |
| AC ADAPTER | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 19.5 V | 280 Watt, 19.5 V, 14.36 A |
| INPUT | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Multi-gesture touch pad, Per-Key illumination | Multi-gesture touch pad, precision touchpad, Acer PredatorSense |
| CONNECTIONS & EXPANSIONS | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| 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 |
HDMI Mini DisplayPort USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 (with power off charging) USB 3.2 Gen 2 USB 3.2 Gen 1 LAN (RJ-45) Headphone/microphone combo jack Audio line-in Audio line-out |
|---|
| SOFTWARE | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| Operating System (OS) | Windows 10 Home Advanced 64-bit Edition | Windows 11 Home |
|---|
| MISCELLANEOUS | Alienware M15 R2 | Acer Predator Helios 300 (PH315) |
|---|
| 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 | Acer CoolBoost technology |
| SAR Value | - | 1.12 W/kg (body), 1.12 W/kg (limb), 1.12 W/kg (head) |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 55 |
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