Dell XPS 15 9550 vs. Dell XPS 15 7590 – Detailed Specs Comparison

Here's what you need to know what's different between early 2015 Dell XPS 15 (9550) and 2019 Dell XPS 15 (7590) specs including CPU, RAM, storage, battery, display, and more.

Laptop Comparison

Dell XPS 15 9550 picture

Dell XPS 15 9550

Dell XPS 15 7590 picture

Dell XPS 15 7590

Availability
Released20152019
SoftwareDell XPS 15 9550Dell XPS 15 7590
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 7590
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 non-touchscreen
    1920 x 1080, IPS, 141 PPI, 500-nit brightness 100% sRGB, InfinityEdge Anti-Glare, Non-touch support.
  • 15.6-inch UHD IPS touchscreen
    3840 x 2160, IPS, 282 PPI, 500-nit brightness, 100% AdobeRGB, InfinityEdge Anti-Reflective, Touch support.
  • 15.6-inch UHD OLED non-touchscreen
    3840 x 2160, OLED, 282 PPI, 400-nit brightness, 100% DCI-P3, InfinityEdge Anti-Reflective, Non-touch support.
Internal SpecsDell XPS 15 9550Dell XPS 15 7590
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
  • 9th Gen Intel® Core™ i5-9300H
    4 cores, 8 threads, 2.40 → 4.10 GHz, 8MB SmartCache, 45W
  • 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  • 9th Gen Intel® Core™ i9-9980HK
    8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W
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
  • 9th Gen Intel® Core™ i5-9300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  • 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  • 9th Gen Intel® Core™ i9-9980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
Discrete Graphics
  • NVIDIA® GeForce® GTX 960M (Optional)
    Maxwell Architecture, 2GB GDDR5 128-bit, 1033 → 1098 MHz, 640 CUDA Cores.
  • NVIDIA® GeForce® GTX 1650 (Optional)
    Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1560 MHz, 1024 CUDA Cores.
Memory
  • 8 GB16 GB32 GB
    2133 MHz Dual-channel DDR4 RAM.
  • 8 GB16 GB32 GB
    2666 MHz Dual-channel DDR4 RAM.
Storage
  • 500GB/32GB SSD512GB/128GB SSD
    Hybrid Hard Drive.
  • 256 GB512 GB
    PCIe Gen 3 SSD.
  • 256 GB512 GB 1 TB 2TB
    M.2 2280 PCIe® 3x4 NVMe™ SSD, Up to 32 Gbps.
ConnectivityDell XPS 15 9550Dell XPS 15 7590
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 AX1650
    Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac), WiFi-6 (802.11ax)
Bluetooth
  • Bluetooth 4.1
  • Rivet Killer AX1650 › Bluetooth 5.0
BatteryDell XPS 15 9550Dell XPS 15 7590
Size
  • 3-cell smart lithium-ion 56 Wh
  • 6-cell smart lithium-ion 84 Wh
  • 3-cell smart lithium-ion 56 Wh
  • 6-cell smart lithium-ion 97 Wh
Battery Life
  • Up to 17 hours
* Tested on 84 WHr battery, FHD panel, SSD models.
  • Up to 20 hours and 30 minutes
* Tested on FHD panel with 97 Wh.
Power Supply130 W power adapter
Power rated at 19.50VDC/6.67A.
130 W power adapter
Power rated at 19.50VDC/6.67A.
ExteriorDell XPS 15 9550Dell XPS 15 7590
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)
14.06 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)
Weight
  • 3-cell battery models: 3.9 lb (1.78 kg)
  • 6-cell battery models: 4.4 lb (2.0 kg)
  • 3-cell battery models: 4 lb (1.8 kg)
  • 6-cell battery models: 4.5 lb (2.0 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 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 chiclet keyboard; 1.3mm travel.
  • 4.13 x 3.15 in (105 mm x 80 mm) 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
  • 1 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 3.1 Gen 1
    Full-size USB ports.
  • 1 x full-size SD card reader
  • 1 x Wedge-shaped lock slot
  • 1 x Battery gauge button and indicator
  • 1 x AC power
  • 1 x HDMI 2.0
  • 1 x Headset jack
Camera & AudioDell XPS 15 9550Dell XPS 15 7590
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
    Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio
  • Realtek ALC3266 with Waves MaxxAudio Pro
  • Two speakers (2W x 2 = 4W total)
  • Digital-array microphones
  • Stereo speakers professionally tuned with Waves MaxxAudio® Pro
  • Two speakers (2W x 2 = 4W total)
  • Dual-array microphones
MiscDell XPS 15 9550Dell XPS 15 7590
Sensors
  • Ambient light sensor
  • Windows Hello compliant fingerprint reader in the power button
Security
  • Kensington lock slot
  • Windows Hello with Fingerprint Sign in
  • Wedge-shaped lock

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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