Home > Laptop comparison > Alienware x17 R2 or Alienware x15 R2 – what's better?

Dell Alienware x17 R2 vs x15 R2

64 out of 100
Dell Alienware x17 R2
VS
64 out of 100
Dell Alienware x15 R2
Dell Alienware x17 R2
Dell Alienware x15 R2
Please select specific configurations for the laptops to get a more accurate comparative review
Display
CPU
GPU
RAM
Storage

Review

Evaluation of Dell Alienware x17 R2 and x15 R2 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
Portability
Design, materials, durability and usability
NanoReview Score
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Key Differences

What are the key differences between the notebooks
Advantages of the Dell Alienware x17 R2
  • Includes an old-school USB-A port
  • Thinner bezels and 3% higher screen-to-body ratio
  • User-upgradable RAM (up to 64GB)
Advantages of the Dell Alienware x15 R2
  • Significantly easier to carry: weighs 750 grams less (around 1.65 lbs)
  • Much smaller footprint: 17% more compact case (154.5 vs 185.4 square inches)

Value for money

Please input the prices of the laptops (with selected configurations) and press the "Calculate" button to determine which one offers better value for money.
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Tests and Specifications

Comparison table of test results and technical specs
Laptop:
Alienware x17 R2
vs
Alienware x15 R2

Case

Weight 3.02 kg (6.66 lbs) 2.27 kg (5.01 lbs)
Dimensions 399.2 x 299.5 x 12.9-17.1 mm
15.72 x 11.79 x 0.51-0.67 inches		 359.7 x 277.3 x 12.5-15.9 mm
14.16 x 10.92 x 0.49-0.63 inches
Area 1196 cm2 (185.3 inches2) 997 cm2 (154.6 inches2)
Screen-to-body ratio ~69% ~67.3%
Side bezels 8.1 mm 7.2 mm
Colors White White
Material Aluminum Plastic
Transformer No No
Opening angle 140° 140°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No Yes
Liquid metal No No
Number of fans 4 4
Noise level (max. load) 52.5 dB 53 dB

Display

Size 17.3 inches 15.6 inches
Type IPS LCD IPS LCD
Refresh rate 165 Hz 165 Hz
PPI 127 ppi 141 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1920 x 1080 pixels
HDR support No Yes, Dolby Vision
Sync technology G-Sync G-Sync
Touchscreen No No
Coating Matte Matte
Ambient light sensor No No
Screen space comparison
Alienware x17 R2
17.3″ (16:9 ratio) = 127.9 in2
Alienware x15 R2
15.6″ (16:9 ratio) = 104 in2
~22% more screen space
Display tests
Contrast 1200:1 1000:1
sRGB color space 100% 100%
Response time 3 ms 19 ms
Max. brightness

Battery

Capacity
Voltage - 11.4 V
Full charging time 1:40 hr 2:05 hr
Battery type Li-Ion Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Left Left
Charge power 240 / 330 W 240 W
Cable length - 1 meters
Weight of AC adapter 1003 grams 890 grams

CPU

CPU name
Base frequency 2.3 GHz 2.3 GHz
Turbo frequency 4.7 GHz 4.7 GHz
Cores 14 (6P + 8E) 14 (6P + 8E)
Threads 20 20
L3 Cache 24 MB 24 MB
Integrated GPU Intel Iris Xe Graphics (96EU) Intel Iris Xe Graphics (96EU)
Fabrication process 10 nm 10 nm

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Submit your Cinebench result

Graphics Card

GPU name
TGP 140 W 125 W
Nvidia Optimus MUX Yes, Advanced Optimus
Type Dedicated Dedicated
Fabrication process 8 nm 8 nm
GPU base clock 1504 MHz 1467 MHz
GPU boost clock 1802 MHz 1778 MHz
FLOPS 13.8 TFLOPS 13.6 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
Alienware x17 R2 +1%
13.8 TFLOPS
Alienware x15 R2
13.6 TFLOPS

RAM

RAM size
Channels 1x8 GB 2x8 GB
Clock 4800 MHz 5200 MHz
Type DDR5 LPDDR5
Upgradable Yes No
Total slots 2 -
Max. ram size 64 GB -

Storage

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

Sound

Audio chip Realtek ALC3281 Realtek ALC3281
Speakers 2.2 (2 tweeters and 2 woofers) 2.2 (2 tweeters and 2 woofers)
Power 4x2W 4x2W
Dolby Atmos Yes Yes
Loudness ~84.3 dB ~80.2 dB
Microphones 2 2

Connectivity

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

Input

Keyboard
Keyboard type Mechanical Island
Numpad No No
Backlight Yes Yes
Key travel 1.5 mm 1.5 mm
Touchpad
Size 11.2 x 6.6 cm 10.5 x 6.0 cm
Surface Plastic Glass
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.

Cast your vote

So, which laptop would you choose?
23 (40.4%)
34 (59.6%)
Total votes: 57

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