Dell Precision 3561 vs. Surface Duo 2: Full specs comparison

• Introduced: September 22, 2021
• Pre-ordered: September 22, 2021
• Released: October 21, 2021

• $1,499
  8GB 128 GB
• $1,599
  8GB 256 GB
• $1,799
  8GB 512 GB
  Obsidian only.

• 7.26 x 5.71 x 0.21 (184.5 mm x 145.2 mm x 5.50 mm)
  Open
• 3.62 x 5.71 x 0.43 (92.1 mm x 145.2 mm x 11.0 mm) 
  Closed

• Single Pointing English US Keyboard and 10 Key Numpad.
• Optional backlit key.
• 4.53” x 2.64” (115 mm x 67 mm) touchpad with multi-touch gesture support.

• Dual PixelSense™ Fusion Displays open: 8.3” AMOLED, 2688x1892
• Single PixelSense™ Screen: 5.8” AMOLED 1344x1892 (13:9)
• 401 PPI
• HDR
• Wide color 100% SRGB, DCI-P3
• Dual displays with 90Hz adaptive refresh rate
• 800 nits max brightness
• Display Material: Corning® Gorilla® Glass Victus™

1. 11th Gen Intel® Core™ i5-11400H
   6 cores, 12 threads, 2.70 → 4.50 GHz, 12MB SmartCache, 45W
2. 11th Gen Intel® Core™ i5-11500H
   6 cores, 12 threads, 2.90 → 4.60 GHz, 12MB SmartCache, 45W
3. Intel Xeon W-11855M
   6 cores, 12 threads, 3.20 → 4.90 GHz, 18MB SmartCache, 45W
4. 11th Gen Intel® Core™ i7-11800H
   8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
5. 11th Gen Intel® Core™ i7-11850H
   8 cores, 16 threads, 2.50 → 4.80 GHz, 24MB SmartCache, 45W
6. 11th Gen Intel® Core™ i9-11950H
   8 cores, 16 threads, 2.60 → 5.00 GHz, 24MB SmartCache, 45W

1. Qualcomm® Snapdragon™ 888
   8 cores, 8 threads, 1.80 → 2.84 GHz, 5MB Cache, 5W

1. 11th Gen Intel® Core™ i5-11400H
   Intel® UHD Graphics

   16 Execution Units, 350 → 1450 MHz
2. 11th Gen Intel® Core™ i5-11500H
   Intel® UHD Graphics

   32 Execution Units, 350 → 1450 MHz
3. Intel Xeon W-11855M
   Intel® UHD P630 Graphics

   32 Execution Units, 350 → 1450 MHz
4. 11th Gen Intel® Core™ i7-11800H
   Intel® UHD Graphics

   32 Execution Units, 350 → 1450 MHz
5. 11th Gen Intel® Core™ i7-11850H
   Intel® UHD Graphics

   32 Execution Units, 350 → 1450 MHz
6. 11th Gen Intel® Core™ i9-11950H
   Intel® UHD Graphics

   32 Execution Units, 350 → 1450 MHz

1. Qualcomm® Snapdragon™ 888
   Qualcomm® Adreno™ 660 GPU

• 2 x DDR4 SODIMM slots

• Speed: 3200 MHz
• Memory Type: Non-ECC 
  Supports ECC on Intel Xeon Processors.
• Minimum Memory: 4GB
• Maximum Memory: 64B

• 2 x M.2 2230/2280 PCIe SSD slots
• 1 x 2.5” hard drive

• Up to 2TB M.2 NVMe PCIe Gen4 x4 SSD
• Up to 1TB 2.5-inch 7200 rpm SATA hard-disk drive

• Qualcomm QCA61x4A (DW1820)
  Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi 5 802.11a/b/g/n/ac Bluetooth 5.0
• Intel AX201
  Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 6 802.11a/b/g/n/ac/ax Bluetooth 5.1
• Intel AX210
  Up to 2400 Mbps Triple Band 2.4GHz/5GHz/6GHz WiFi 6 802.11a/b/g/n/ac/ax Bluetooth 5.2

• NFC for payments and provisioning
• 5G-NR NSA (mmWave): Release 15 DL 64 QAM up to 6 Gbps, 8xDL CA (800MHz), 2x2 MIMO
• 5G-NR NSA (mmWave): Release 15 UL 64 QAM, 2xUL CA (200MHz), 2x2 MIMO
• 5G-NR NSA (mmWave) Bands: n257, n260, n261
• 5G-NR NSA (Sub-6): Release 15 DL 256 QAM up to 3.2 Gbps, 2xDL CA (TDD+TDD), 4x4 MIMO
• 5G-NR NSA (Sub-6): Release 15 UL 256 QAM
• 5G-NR NSA (Sub-6) Bands: n1, n2, n3, n5, n7, n20, n25, n28, n38, n41, n66, n71, n77, n78, n79
• Gigabit LTE - A Pro Release 15 with 4x4 MIMO and LAA
• LTE DL Cat 20, 256 QAM up to 2Gbps, 5xDL CA
• LTE UL Cat 13, 64 QAM Contiguous 2X ULCA
• LTE Bands: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71
• WCDMA: 1,2,5,8
• GSM/GPRS: GSM-850, E-GSM-900, DCS-1800, PCS-1900
• Location: GPS, Galileo, GLONASS, BeiDou, QZSS

• 64 Wh
  4-cell Polymer, ExpressCharge capable.
• 64 Wh
  4-cell Polymer, Long Cycle Life and ExpressCharge capable.
• 97 Wh
  6-cell Polymer, ExpressCharge capable.

• 4,449 mAh
  Typical dual battery capacity.
• 4,340 mAh
  Minimum dual battery capacity.

• Up to 15.5 hours of Local Video Playback
• Up to 28 hours of Talk Time

• Microsoft built-in applications:
  • Intune Company Portal
  • LinkedIn
  • Microsoft Authenticator
  • Microsoft Bing Search
  • Microsoft Edge
  • Microsoft Lens - PDF Scanner
  • Microsoft Office: Word, Excel, PowerPoint & More
  • Microsoft OneDrive
  • Microsoft OneNote
  • Microsoft Outlook
  • Microsoft Start
  • Microsoft Teams
  • Microsoft To Do
  • Surface
  • Tips
  • Xbox Game Pass
• Microsoft Surface Duo 2 UI core features:
  • App Groups
  • Dual screen windowing
  • Dynamic Dock
  • Dynamic Triple-Lens Camera
  • Microsoft 365 Feed
  • Span apps automatically
  • Surface Duo Glance Bar
  • SwiftKey Adaptive Keyboard
  • Universal Search
  • Your Phone Companion - Link to Windows
• Other preinstalled apps:
  • Calculator
  • Chrome
  • Clock
  • Contacts
  • Files
  • Gmail
  • Google Assistant
  • Google Calendar
  • Google Drive
  • Google Duo
  • Google Maps
  • Google Photos
  • Google Play Movies & TV
  • Google Play Store
  • Google Search
  • Messages
  • Phone
  • Sound recorder
  • YouTube
  • YouTube Music

• Front-facing camera
  Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
• Optional Infrared camera
  For Windows Hello Facial Recognition.
• Optional Proximity sensor 
  For Express Sign-in

• Dynamic triple-lens rear-facing camera:
  • Wide 
    12MP f/1.7 aperture 27 mm 1.4µm dual pixel PDAF OIS
  • Telephoto
    12MP f/2.4 aperture 51 mm 1.0µm PDAF OIS 2X optical zoom
  • Ultra-Wide
    16MP f/2.2 aperture 13 mm 1.0µm 110o diagonal field of view with distortion correction
• Front-facing Camera:
  12MP f/2.0 24 mm 1.0µm Dual color LED flash
• Photos:
  • Auto mode with low-light & HDR multi-frame photo capture and dynamic range scene detection
  • Dedicated night photography mode
  • Smooth Zoom between all 3 Rear Facing Camera combined with digital super zoom up to 10x
  • Portrait mode with adjustable depth control. Portrait mode supported for wide and tele camera. Machine learning used for portrait mode
  • Panorama mode with wide dynamic range
  • Capture short video during photo capture with a long press
  • Capture photos during video recording
• Video recording:
  • HDR Video
  • 4K video recording at 30 fps and 60 fps
  • 1080p video recording at 30 fps and 60 fps
  • Slow-motion video at 120 or 240fps
  • HEVC and H.264 video recording formats
• Microsoft Teams and Skype video conferencing up to 1080p at 30fps

• Realtek ALC3204 with Waves MaxxAudio Pro
• 2 x 2W Stereo Speakers
• Dual integrated noise-canceling digital array microphones

• Stereo speakers
• Dual Mic AI-based noise suppression and acoustic echo cancellation optimized for productive use in all postures
• Best-in-class Full Duplex communication for voice calls in hands-free mode, receiver, and LRA
• Audio formats supported: 3GP, MP3, MP4, MKV, WAV, OGG, M4A, AAC, TS, AMR, FLAC, MID, MIDI, RTTL, RTX, OTA, IMY
• Qualcomm^® aptX™ Classic, HD and TWS
• Hearing aid compatibility: M4/T3
• Wake on Voice using Google Assistant

• The fingerprint reader in the power button (optional)
• Proximity sensor
  For Express Sign-in feature.
• IR Camera (optional)

• Dual Accelerometer
• Dual Gyroscope
• Dual Magnetometer
• Dual Ambient Light Sensor
• Dual Proximity Sensor
• Hall Sensor
• Fingerprint Sensor

Hardware Security

• SafeBIOS - protects from threats that attack below-the-OS. Includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls.
• SafeID - secures end-user credentials with a dedicated security chip. Additional features include the following: Trusted Platform Module (TPM) 2.07, self-encrypting storage drives (Opal, FIPS), Smart card keyboard (FIPS).
• Physical Security Options - Chassis lock slot support, Chassis Intrusion Switch, Lockable Cable Covers, Supply chain tamper alerts (Check regional availability)

Software Security

• SafeGuard and Response - powered by VMware Carbon Black and Secureworks provides modern security to prevent, detect, and remediate advanced malware and cyber attacks. A suite of technologies include the following: Next-Generation Antivirus (NGAV), Endpoint Detection and Response (EDR), Threat Detection and Response (TDR), Managed Endpoint Detection and Response, Incident Management Retainer, Emergency Incident Response
• SafeData - protects information on devices and in the cloud.

• Biometric lock type: Fingerprint reader with enterprise-grade security
• Lock type: Swipe, PIN, password
• Security applications pre-loaded on the device: Microsoft Authenticator

• Surface Duo 2
• Surface Duo 2 (Color: Glacier or Obsidian)
• Surface Duo 2 USB-C Cable
• Quick Start Guide
• Warranty and Compliance Guide
• SIM Ejector tool

• One-year limited hardware warranty

• Exterior Material: Corning® Gorilla® Glass
• Video Playback Formats:
  • MKV, MOV, MP4, H.265(HEVC), AVI, WMV, TS, 3GP, FLV, 3G2, AVI, FLV, TS/M2TS, MKV, WEBM, 3GP/MPEG-4,HEIC/HEIF,ASF/WMV, MOV
• Wireless
  • Chromecast and Miracast support
• Wired:
  • DisplayPort over USB-C®. Supports video out when connecting via HDMI Adapter7
  • 4K video out over USB-C when connecting via DisplayPort cable or HDMI Adaptor to an external monitor
    Wireless dependent on the TV/monitor support.