Dell XPS 15 9550 vs. Dell XPS 15 9575 2-in-1 – Detailed Specs Comparison

Here's what you need to know what's different between early 2015 Dell XPS 15 (9550) and 2018 Dell XPS 15 (9575) specs including CPU, RAM, storage, battery, display, and more.

Laptop Comparison

Dell XPS 15 9550 picture

Dell XPS 15 9550

Dell XPS 15 9575 picture

Dell XPS 15 9575

Availability
Released20152018
Release Info
  • Announced at CES 2018
  • Available on April 2018
SoftwareDell XPS 15 9550Dell XPS 15 9575
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
  • Microsoft Office 30-days trial
  • McAfee LiveSafe™ 12 Month Subscription
  • Microsoft Office 30-days trial
  • McAfee LiveSafe™ 12 Month Subscription
DisplayDell XPS 15 9550Dell XPS 15 9575
Size15.6 Inches15.6 Inches
Info
  • 15.6-inch WED FHD non-touchscreen
    1920 x 1080, IPS, 141 PPI, 400-nit brightness 100% sRGB, InfinityEdge Anti-Glare, Non-touch support.
     
  • 15.6-inch WED UHD touchscreen
    3840 x 2160, IPS, 282 PPI, 350-nit brightness, 100% AdobeRGB, InfinityEdge Anti-Reflective, Touch support.
  • 15.6-inch FHD touchscreen
    1920 x 1080, IPS, 141 PPI, 100% sRGB,400-nit brightness, InfinityEdge, Anti-Reflective, 10-finger Touch Support, Multi-protocol Active Pen with Tilt support, Edge-to-edge Corning® Gorilla® Glass 4.
  • 15.6-inch 4K UHD touchscreen
    3840 x 2160, IPS, 282 PPI, 100% AdobeRGB,400-nit brightness, InfinityEdge, Anti-Reflective, 10-finger Touch Support, Multi-protocol Active Pen with Tilt support, Edge-to-edge Corning® Gorilla® Glass 4.
Internal SpecsDell XPS 15 9550Dell XPS 15 9575
Processor
  • 6th Gen Intel® Core™ i3-6100H
    2 cores, 4 threads, 2.70 GHz, 3MB SmartCache, 35W
  • 6th Gen Intel® Core™ i5-6300HQ
    4 cores, 4 threads, 2.30 → 3.20 GHz, 6MB SmartCache, 45W
  • 6th Gen Intel® Core™ i7-6700HQ
    4 cores, 8 threads, 2.60 → 3.50 GHz, 6MB SmartCache, 45W
  • 8th Gen Intel® Core™ i5-8305G
    4 cores, 8 threads, 2.80 → 3.80 GHz, 6MB Cache, 65W
  • 8th Gen Intel® Core™ i7-8705G
    4 cores, 8 threads, 3.10 → 4.10 GHz, 8MB Cache, 65W
Integrated Graphics
  • 6th Gen Intel® Core™ i3-6100H
    Intel® HD Graphics 530
    24 Execution Units, 350 → 900 MHz
  • 6th Gen Intel® Core™ i5-6300HQ
    Intel® HD Graphics 530
    24 Execution Units, 350 → 950 MHz
  • 6th Gen Intel® Core™ i7-6700HQ
    Intel® HD Graphics 530
    24 Execution Units, 350 → 1050 MHz
  • 8th Gen Intel® Core™ i5-8305G
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1000 MHz
  • 8th Gen Intel® Core™ i7-8705G
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
Discrete Graphics
  • NVIDIA® GeForce® GTX 960M (Optional)
    Maxwell Architecture, 2GB GDDR5 128-bit, 1033 → 1098 MHz, 640 CUDA Cores.
  • Radeon™ RX Vega M GL Graphics
    4GB HBM2 graphics memory, 931 MHz up to 1,011 MHz, 20 Compute Units, 179.2 GB/s memory bandwidth, 1024 bit memory interface, H.264, H.265 (10-bit HEVC) hardware encode/decode.
Memory
  • 8 GB16 GB32 GB
    2133 MHz Dual-channel DDR4 RAM.
  • 8 GB16 GB
    2400 MHz Dual-channel DDR4 RAM.
Storage
  • 500GB/32GB SSD512GB/128GB SSD
    Hybrid Hard Drive.
  • 256 GB512 GB
    PCIe Gen 3 SSD.
  • 128 GB256 GB512 GB 1 TB
    PCIe 3x4 NVMe SSD up to 32 Gbps.
ConnectivityDell XPS 15 9550Dell XPS 15 9575
Wi-Fi
  • DW1820A
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac).
  • Rivet Killer® 1435-S
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac).
  • Intel® 8265
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac).
Bluetooth
  • Bluetooth 4.1
  • Bluetooth 4.1
BatteryDell XPS 15 9550Dell XPS 15 9575
Size
  • 3-cell smart lithium-ion 56 Wh
  • 6-cell smart lithium-ion 84 Wh
  • 6-cell smart lithium-ion 75 Wh
Battery Life
  • Up to 17 hours
* Tested on 84 WHr battery, FHD panel, SSD models.
  • Up to 15 hours and 53 minutes
* Tested on FHD panel.
Power Supply130 W power adapter
Power rated at 19.50VDC/6.67A.
130 W power adapter
Power rated at 20VDC/6.50A.
ExteriorDell XPS 15 9550Dell XPS 15 9575
Dimensions14.06 x 9.27 x 0.45 - 0.66 in (357 x 235 x 11 - 17 mm)
Width: 14.06” (357 mm)
Depth: 9.27” (235 mm)
Height: 0.45 - 0.66” (11 - 17 mm)
13.93 x 9.25 x 0.62 in (354 x 235 x 16 mm)
Width: 13.93” (354 mm)
Depth: 9.25” (235 mm)
Height: 0.62” (16 mm)
Weight
  • 3-cell battery models: 3.9 lb (1.78 kg)
  • 6-cell battery models: 4.4 lb (2.0 kg)
  • 4.36 lb (1.97 kg)
Colors
  • CNC machined aluminum
  • Edge-to-edge Corning® Gorilla® Glass NBT™ on 4K Ultra HD display
  • Carbon fiber composite palm rest with soft-touch paint
  • Silver (CNC machined aluminum in platinum silver with carbon fiber composite palm rest in black)
Keyboard and Trackpad
  • Full size, backlit chiclet keyboard; 1.3mm travel.
  • 4.13 x 3.15 in (105 mm x 80 mm) touchpad with multi-touch gesture support.
  • Full-size backlit Mag-Lev keyboard, 0.7mm travel.
  • 4.13 x 3.14 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
Ports
  • 1 x Thunderbolt™ 3 
    (2 lanes of PCI Express Gen 3) supporting: Power Delivery, Thunderbolt 3 (40Gbps bi-directional), USB 3.1 Gen 2 (10Gbps), Native DisplayPort 1.2 video output, VGA, HDMI, Ethernet, and USB-A via Dell Adapter (sold separately).
  • 2 x USB 3.0 with PowerShare
  • 1 x full-size SD card reader
  • 1 x Kensington lock slot
  • 1 x Battery gauge button and indicator
  • 1 x AC power
  • 1 x HDMI 1.4
  • 1 x Headset jack
  • 2 x Thunderbolt™ 3 
    (4 lanes of PCI Express Gen 3) supporting: Power Delivery, Thunderbolt 3 (40Gbps bi-directional), USB 3.1 Gen 2 (10Gbps), Native DisplayPort 1.2 video output, VGA, HDMI, Ethernet, and USB-A via Dell Adapter (sold separately).
  • 2 x USB Type-C 3.1
    Supports Power Delivery and DisplayPort.
  • 1 x microSD card reader
  • 1 x Noble lock slot
  • 1 x Battery gauge button and indicator
  • 1 x Headset jack
Camera & AudioDell XPS 15 9550Dell XPS 15 9575
Camera
  • Front-facing camera
    Bottom-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Front-facing camera
    Bottom-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Infrared camera
    340 x 340 for Windows Hello authentication.
Audio
  • Realtek ALC3266 with Waves MaxxAudio Pro
  • Two speakers (2W x 2 = 4W total)
  • Digital-array microphones
  • Realtek ALC3271-CG with Stereo speakers professionally tuned with Waves MaxxAudio® Pro
  • Two speakers (1W x 2 = 2W total)
  • Dual-array microphones
MiscDell XPS 15 9550Dell XPS 15 9575
Sensors
  • Optional Windows Hello compliant fingerprint reader in the power button
  • Ambient light sensor
  • Gyroscope
  • eCompass/Magnetometer
  • Accelerometer/FFS
Security
  • Kensington lock slot
  • Windows Hello with Fingerprint Sign in
  • Windows Hello with Infrared Camera
  • Noble lock slot

Best Accessories for Dell XPS Laptop

With the right set of accessories, you can boost your laptop's productivity to the next level. Here we have some of the best accessories you should get for your Dell XPS laptop.

Those are the top must-have accessories for Dell XPS laptops so far. With Dell USB-C Mobile Adapter, Dell Notebook Power Bank Plus, Surface Precision Mouse, and Dell WD15 USB-C Dock will significantly increase your laptop productivity and battery life.

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