In depth comparison and review of Alienware M15 R4 and Acer Predator Helios 300 (PH315-51). 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 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.03 cm x 27.6 cm x 1.79 cm | 39 cm x 26.6 cm x 2.675 cm |
| Weight | 2.5 kg | 2.7 kg |
| Case Material | - | Anodised aluminium |
| Colour | Lunar light | Obsidian black |
| DISPLAY | Alienware M15 R4 | 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 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Features | - | Anti-glare, ComfyView, 7 ms response rate |
| PROCESSOR | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| CPU | Intel Core i7 (10th Gen) 10870H / 2.2 GHz | Intel Core i5 (8th Gen) 8300H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 4 GHz |
| Number of Cores | 8-core | Quad-Core |
| Cache | 16 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel HM470 | Mobile Intel HM370 |
| Features | Intel Thermal Velocity Boost | Intel Turbo Boost Technology 2.0 |
| MEMORY | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (2 x 4 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | - |
| Rated Speed | 2933 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 0 |
| STORAGE | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD - SK Hynix |
|---|---|---|
| Secondary Storage | - | 1 TB HDD SATA / 5400 rpm - HGST |
| AUDIO & VIDEO | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | NVIDIA GeForce GTX 1060 |
|---|---|---|
| Video Memory | 6 GB GDDR6 SDRAM | 6 GB GDDR5 SDRAM |
| Camera | Yes - 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 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 | Intel Wireless-AC 9560 |
| Network Interface | 2.5 Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer E3100 | - |
| BATTERY | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 48 Wh |
| Battery Life | - | Up to 7 hours |
| AC ADAPTER | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 19.5 V, 12.31 A | 180 Watt, 19.5 V |
| INPUT | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Multi-gesture touch pad | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
| CONNECTIONS & EXPANSIONS | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Interfaces | USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.1 Gen 1 (PowerShare) 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack Graphics Amplifier Port LAN Mini DisplayPort 1.4 |
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 (microSD, microSDHC, microSDXC) | Yes (SD Card) |
| SOFTWARE | Alienware M15 R4 | Acer Predator Helios 300 (PH315-51) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Alienware M15 R4 | 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 | - | MU-MIMO technology, WMR compatible |
| Compliant Standards | DisplayPort 1.4 | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 2 years | - |
| Model Number | - | 50PN |
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