Alienware x17 R1 vs. Acer Predator Helios 300 (PH315)

Laptop Comparison, Reviews and Tests
Acer Predator Helios 300 (PH315)

In depth comparison and review of Alienware x17 R1 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.

Laptop Specifications Comparison

Alienware x17 R1 vs. Acer Predator Helios 300 (PH315) Comparison Chart
DESIGN AND DIMENSIONS Alienware x17 R1 Acer Predator Helios 300 (PH315)
Product Type Notebook Notebook
Dimensions (WxDxH) 39.92 cm x 29.94 cm x 2.14 cm 35.94 cm x 27.64 cm x 2.615 cm
Weight 3.2 kg 2.5 kg
Case Material - Anodised aluminium
Colour Lunar light Abyssal black
DISPLAY Alienware x17 R1 Acer Predator Helios 300 (PH315)
Screen Size (Type) 17.3" 15.6" - IPS
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 127 -
V-Sync Rate at Max Res. 360 Hz 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 100% sRGB
Features Anti-glare, NVIDIA G-SYNC compatible, Wide Viewing Angle, 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, 0.2 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 x17 R1 Acer Predator Helios 300 (PH315)
CPU Intel Core i7 (11th Gen) 11800H / 2.3 GHz Intel Core i5 (12th Gen) 12500H / 2.5 GHz
Max Turbo Speed 4.6 GHz 4.5 GHz
Number of Cores 8-core 12-core
Cache 24 MB 18 MB
Chipset Intel HM570 -
Features Intel Smart Cache, Intel Deep Learning Boost (DL Boost) Intel Turbo Boost Technology, Intel Smart Cache
MEMORY Alienware x17 R1 Acer Predator Helios 300 (PH315)
RAM 16 GB (2 x 8 GB) 16 GB (2 x 8 GB)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 0 0
STORAGE Alienware x17 R1 Acer Predator Helios 300 (PH315)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 2280 PCIe - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron
AUDIO & VIDEO Alienware x17 R1 Acer Predator Helios 300 (PH315)
Graphics Processor (GPU) NVIDIA GeForce RTX 3070 NVIDIA GeForce RTX 3060
Video Memory 8 GB GDDR6 SDRAM 6 GB GDDR6 SDRAM
Gaming - Yes
Camera Yes - 1280 x 720 (standard), 640 x 360 (infrared) Yes - Full HD
Resolution 0.92 Megapixel (standard), 0.23 Megapixel (infrared) -
Camera Features IR camera, Windows Hello, RGB camera, 75.8 degrees Temporal Noise Reduction
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 1920 x 1080
Frame Rate 30 frames per second -
Sound Two subwoofers, two tweeters, dual array microphone Stereo speakers, two microphones
Codec Realtek ALC3281 -
Compliant Standards High Definition Audio DTS:X Ultra
COMMUNICATIONS Alienware x17 R1 Acer Predator Helios 300 (PH315)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Killer Wi-Fi 6E AX1675 Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi)
Network Interface 2.5 Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Killer Ethernet E3100G -
Features - Dual stream (2x2)
BATTERY Alienware x17 R1 Acer Predator Helios 300 (PH315)
Technology 6-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 87 Wh 90 Wh
Battery Life Up to 4 hours Up to 9 hours
AC ADAPTER Alienware x17 R1 Acer Predator Helios 300 (PH315)
Input AC 100-240 V (50/60 Hz) -
Output 19.5 V 280 Watt, 19.5 V, 14.36 A
INPUT Alienware x17 R1 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 x17 R1 Acer Predator Helios 300 (PH315)
Interfaces LAN
2 x USB 3.2 Gen 1 (PowerShare)
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
Headphone/microphone combo jack
HDMI
Mini DisplayPort 1.4
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 x17 R1 Acer Predator Helios 300 (PH315)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 11 Home
Software Included Microsoft Office 2013 (Trial), McAfee LiveSafe (30 days trial) -
MISCELLANEOUS Alienware x17 R1 Acer Predator Helios 300 (PH315)
Included Accessories Power adapter Power adapter
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features - 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 - 15 months Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Model Number - 55
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