Dell Alienware x15 R2 vs Acer Predator Helios 300 (PH315-53)

You can select specific configurations for the laptops to get a more accurate comparative review
Display
CPU
GPU
RAM
Storage

Review

Evaluation of Dell Alienware x15 R2 and Acer Predator Helios 300 (PH315-53) important characteristics
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Case
Design, materials, durability and usability

Key Differences

What are the key differences between the notebooks
Advantages of the Dell Alienware x15 R2
  • Around 3.5x better multi-core CPU performance in the Cinebench R23 test
  • Higher screen refresh rate: 165 versus 144 Hz
  • Easier to carry: weighs 230 grams less (around 0.51 lbs)
  • Higher number of cutting-edge USB Type-C ports: 2 versus 1
  • Features a much bigger (~47%) battery – 87 against 59 watt-hours
  • Can run popular games at about 6-8% higher FPS
  • High-speed PCI Express Gen 4 interface
Advantages of the Acer Predator Helios 300 (PH315-53)
  • Includes an old-school USB-A port
  • Thinner bezels and 8% higher screen-to-body ratio
  • User-upgradable RAM (up to 64GB)
  • Smaller footprint: 7% more compact case (143.7 vs 154.5 square inches)
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Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 2.27 kg (5.01 lbs) 2.5 kg (5.51 lbs)
Dimensions 359.7 x 277.3 x 12.5-15.9 mm
14.16 x 10.92 x 0.49-0.63 inches
363.4 x 255 x 22.9 mm
14.31 x 10.04 x 0.9 inches
Area 997 cm2 (154.6 inches2) 927 cm2 (143.7 inches2)
Screen-to-body ratio ~67.3% ~72.4%
Side bezels 7.2 mm 9 mm
Colors White Black
Transformer No No
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber Yes No
Number of fans 4 2
Noise level - 51 dB

Display

Size 15.6 inches 15.6 inches
Type IPS LCD IPS LCD
Refresh rate 165 Hz 144 Hz
PPI 141 ppi 141 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1920 x 1080 pixels
HDR support - No
Touchscreen No No
Coating Matte Matte
Display tests
Contrast 1000:1 1000:1
sRGB color space 100% -
Response time 19 ms -
Max. brightness

Battery

Capacity
Full charging time 2:05 hr -
Battery type Li-Ion Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes No
Charging port position Left Bottom
Charge power 240 W 230 W
Weigh of AC adapter - 600 gramm

CPU

CPU name
Base frequency 2.3 GHz 2.5 GHz
Turbo frequency 4.7 GHz 4.5 GHz
Cores 14 4
Threads 20 8
L3 Cache 24 MB 8 MB
Integrated GPU Intel Iris Xe Graphics (96EU) Intel UHD Graphics 630
Fabrication process 10 nm 14 nm

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 125 W 100 W
Nvidia Optimus Yes, Advanced Optimus Yes
Type Dedicated Dedicated
Fabrication process 8 nm 8 nm
GPU base clock 1467 MHz 1267 MHz
GPU boost clock 1778 MHz 1605 MHz
FLOPS 13.6 TFLOPS 12.3 TFLOPS
Memory size 6 GB 6 GB
Memory type GDDR6 GDDR6
Memory bus 192 bit 192 bit
Memory speed 14 Gbps 14 Gbps
Shading units (cores) 3840 3840
Texture mapping units (TMUs) 120 120
Raster operations pipelines (ROPs) 48 48
GPU performance
13.6 TFLOPS

RAM

RAM size
Channels 2x8 GB 2x8 GB
Clock 5200 MHz 3200 MHz
Type LPDDR5 DDR4
Upgradable No Yes
Total slots - 2
Max. ram size - 64 GB

Storage

Storage size
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 3.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x256 GB 1x512 GB
Upgradable Yes Yes
Total slots 2 2
NVMe Yes Yes

Sound

Audio chip Realtek ALC3281 -
Speakers 2.2 2.0
Power 4x2W -
Dolby Atmos Yes No
Loudness - 81 dB
Microphones 2 2

Connectivity

Wi-Fi standard v6E v6
Bluetooth v5.2 v5
Fingerprint No No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
Ports
USB-A 1x USB 3.2 2x USB 3.2
USB Type-C 2x USB 3.2 1x USB 3.2
Thunderbolt Thunderbolt 4 No
HDMI 1x HDMI 2.1 1x HDMI 2.0
DisplayPort No 1x v1.4
VGA No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No Yes
SD card reader Yes No
Proprietary charging port Yes Yes

Input

Keyboard
Keyboard type Island Island
Numpad No Yes
Backlight Yes Yes
Key travel 1.5 mm -
Touchpad
Size 10.5 x 6.0 cm -
Surface Glass Plastic
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

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