In depth comparison and review of Alienware M15 R3 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 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.03 cm x 27.62 cm x 1.97 cm | 35.94 cm x 27.64 cm x 2.615 cm |
| Weight | 2.5 kg | 2.5 kg |
| Case Material | - | Anodised aluminium |
| Colour | Lunar light | Abyssal black |
| DISPLAY | Alienware M15 R3 | 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% NTSC | 100% sRGB |
| Features | Anti-glare, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 7 ms response rate, 0.18 mm pixel pitch, 72% NTSC colour gamut | 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 R3 | Acer Predator Helios 300 (PH315) |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i5 (12th Gen) 12500H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 4.5 GHz |
| Number of Cores | 6-core | 12-core |
| Cache | 12 MB | 18 MB |
| 64-bit Computing | Yes | - |
| Chipset | Intel HM470 | - |
| Features | Intel Thermal Velocity Boost | Intel Turbo Boost Technology, Intel Smart Cache |
| MEMORY | Alienware M15 R3 | Acer Predator Helios 300 (PH315) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (2 x 8 GB) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2667 MHz | - |
| Rated Speed | 2667 MHz | - |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 0 |
| STORAGE | Alienware M15 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | Alienware M15 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 SUPER | NVIDIA GeForce RTX 3060 |
|---|---|---|
| Video Memory | 8 GB GDDR6 SDRAM | 6 GB GDDR6 SDRAM |
| Gaming | - | Yes |
| Camera | Yes - 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 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 | Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi) |
| Network Interface | 2.5 Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer E3000 | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Alienware M15 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 90 Wh |
| Battery Life | - | Up to 9 hours |
| AC ADAPTER | Alienware M15 R3 | 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 R3 | 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 RGB | Multi-gesture touch pad, precision touchpad, Acer PredatorSense |
| CONNECTIONS & EXPANSIONS | Alienware M15 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | HDMI Mini DisplayPort USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) USB 3.1 Gen 1 (PowerShare) 2 x USB 3.1 Gen 1 Graphics Amplifier Port LAN Headphone/microphone combo jack |
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 |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | Alienware M15 R3 | Acer Predator Helios 300 (PH315) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
|---|
| MISCELLANEOUS | Alienware M15 R3 | 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 | AlienFX Lighting Zones | Acer CoolBoost technology |
| Compliant Standards | DisplayPort 1.4 | - |
| 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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