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Surface Pro 4 vs. Surface Duo - Detailed Specs Comparison

Here's what you need to know what's different between Surface Pro 4 and Surface Duo specs including CPU, RAM, storage, battery, display, and more.

BY Evan Forrest February 21, 2026

Surface Pro 4 vs. Surface Duo

The 2015 Surface Pro 4 features the 4.5W 6th Generation Intel Skylake dual-core Intel Core m3-6Y30 up to dual-core Intel Core i7-6650U with the boost speed up to 3.40 GHz. While the 2020 Surface Duo features the 5W Qualcomm Snapdragon 8-core Qualcomm® Snapdragon™ 855 with a clock speed of 2.84 GHz.

If you are in the market looking for a laptop and don't know what's the difference between the 12.3″ Surface Pro 4 (2015) and the 8.1″ Surface Duo (2020), we have a detailed tech specs comparison between both devices for you to check out here.

Surface Pro 4 vs. Surface Duo: Specs Comparison

	Compare With Please enter device name or part of it Surface Pro 4 See at Amazon	Compare With Please enter device name or part of it Surface Duo See at Amazon
Key Features
What's new	New Design It’s now thinner (8.4mm), lighter (766g), the smaller bezel on the same footprint. Better display New bigger and better 12.3” PixelSense display with Microsoft G5 chipset. Better performance It’s now 30% faster than Surface Pro 3 with the range of 6th Gen Intel processors. Better Inking It now supports Surface Pen with 1,024 pressure sensitivity, magnet attached to the side of Surface Pro 4. Windows Hello It's all comes with Windows Hello facial recognition as standard. More Better 8.0MP rear-facing autofocus camera, new 1866 MHz LPDDR3 RAM.

Availability	Surface Pro 4	Surface Duo
Released	2015	2020
Release Info	Introduced: October 7, 2015 Pre-ordered: October 7, 2015 Released: October 26, 2015	Introduced: Microsoft October Event (October 2, 2019) Pre-ordered: August 12, 2020 Released: September 10, 2020
Pricing	Starting at 899$	$1,399 - 128 GB $1,499 - 256 GB
Amazon Deals	$159.00 Microsoft Surface Pro 4 12.3-inch Touchscren (2736 x 1824) Tablet PC, Intel Core i5-6300U, 4 GB RAM, 128 GB, Windows 11 Pro (Renewed) $178.99 Microsoft Surface Pro 4 12.3" Laptop i5-6300U 4GB 128GB SSD W10P Touch (Renewed) $189.00 Microsoft Surface Pro 4 Touchscreen Tablet(Renewed)	$991.65 Microsoft Surface Duo 2 5G 128GB (Unlocked) - Glacier $2,555.00 Microsoft Surface Duo 2 5G 256GB (Unlocked) - Glacier $1,539.00 Microsoft Surface Duo 256GB (Unlocked) - Glacier

Microsoft Surface Pro 4 12.3-inch Price
	Microsoft Surface Pro 4 12.3-inch Touchscren (2736 x 1824) Tablet PC, Intel Core i5-6300U, 4 GB RAM, 128 GB, Windows 11 Pro (Renewed) By Microsoft $159.00	See at Amazon
	Microsoft Surface Pro 4 12.3" Laptop i5-6300U 4GB 128GB SSD W10P Touch (Renewed) By Microsoft $178.99	See at Amazon
	Microsoft Surface Pro 4 Touchscreen Tablet(Renewed) By Microsoft $189.00	See at Amazon
Surface Duo Price
	Microsoft Surface Duo 2 5G 128GB (Unlocked) - Glacier By Microsoft $991.65	See at Amazon
	Microsoft Surface Duo 2 5G 256GB (Unlocked) - Glacier By Microsoft $2,555.00	See at Amazon
	Microsoft Surface Duo 256GB (Unlocked) - Glacier By Microsoft $1,539.00	See at Amazon

Display	Surface Pro 4	Surface Duo
Size	12.3 Inches	8.1 Inches
Info	Resolution: 2736 x 1824 (5M Pixels) Density: 267 PPI PixelSense™ Display Contrast ratio: 1300:1 Aspect ratio: 3:2 Inking: designed together with Surface Pen Touch: 10 points multi-touch with GPU-based processing 100 percent sRGB color, individually calibrated	Dual PixelSense™ Fusion Displays open: 8.1” AMOLED, 2700x1800 (3:2), 401 PPI Single PixelSense™ Display: 5.6” AMOLED, 1800x1350 (4:3), 401 PPI Display Material: Corning® Gorilla® Glass

Exterior	Surface Pro 4	Surface Duo
Size Comparison
Dimensions	11.50” x 7.93” x 0.33” (292 mm x 201.42 mm x 8.4 mm) Width: 11.50” (292 mm) Height: 7.93” (201.42 mm) Thickness: 0.33” (8.4 mm)	7.35 x 5.71 x 0.18 (186.9 mm x 145.2 mm x 4.8 mm) Open 3.67 x 5.71 x 0.38 (93.3 mm x 145.2 mm x 9.9 mm) Closed
Weight	Intel Core m3: 1.69 lbs (766 g) Intel Core i5 and i7: 1.73 lbs (786 g)	0.55 lbs (250 g)
Colors	Silver	Glacier
Keyboard and Trackpad	Surface Type Cover Not included Weight: 0.68 lb (310 g) Dimension: 11.61 x 8.54 x 0.19 inches (295 mm x 216 mm x 5mm) Keyboard: Activation: Moving (mechanical) keys Layout: QWERTY, full row of function keys (F1-F12) 4 directional keys; Windows, Brightness and Media Controls Keys; LED backlighting Trackpad: Precision glass trackpad. Trackpad size: 4 x 2 inches (101.6 mm x 50.8 mm) Supports a five-finger multitouch gesture.
Ports	1 x Full-size USB 3.0 1 x Mini DisplayPort 1 x Surface Connect™ Supports charging and docking station. 1 x Headset jack 1 x microSD™ card reader 1 x Type Cover port	1 x USB Type-C 1 x SIM card slot

Internal Specs	Surface Pro 4	Surface Duo
Processor	6th Gen Intel® Core™ m3-6Y30 2 cores, 4 threads, 0.90 → 2.20 GHz, 4MB SmartCache, 4.5W 6th Gen Intel® Core™ i5-6300U 2 cores, 4 threads, 2.40 → 3.00 GHz, 3MB SmartCache, 15W 6th Gen Intel® Core™ i7-6650U 2 cores, 4 threads, 2.20 → 3.40 GHz, 4MB SmartCache, 15W	Qualcomm® Snapdragon™ 855 8 cores, 8 threads, 2.84 GHz, 5MB Cache, 5W
Integrated Graphics	6th Gen Intel® Core™ m3-6Y30 Intel® HD Graphics 515 24 Execution Units, 300 → 850 MHz 6th Gen Intel® Core™ i5-6300U Intel® HD Graphics 520 24 Execution Units, 300 → 1000 MHz 6th Gen Intel® Core™ i7-6650U Intel® Iris® Graphics 540 48 Execution Units with 64 MB eDRAM side cache, 300 → 1050 MHz	Qualcomm® Snapdragon™ 855 Qualcomm® Adreno™ 640 GPU 585 MHz
Memory	4GB 8GB 16GB 1866 MHz LPDDR3 RAM	6GB DRAM
Storage	128 GB 256 GB 512 GB 1 TB PCIe NVMe SSD	128GB 256GB UFS 3.0 of internal storage

Connectivity	Surface Pro 4	Surface Duo
Wi-Fi	Wi-Fi 5: IEEE 802.11 a/b/g/n/ac compatible.	WiFi-5 802.11ac (2.4/5GHz)
Bluetooth	Bluetooth Wireless 4.0 technology	Bluetooth Wireless 5.0 technology
		LTE: 4x4 MIMO, Cat.18 DL / Cat 5 UL, 5CA, LAA. Up to 1.2Gbps Download / Up to 150Mbps Upload Bands Supported: FDD-LTE: 1,2,3,4,5,7,8,12,13,14,19,20,25,26,28,29,30,66 TD-LTE: 38,39,40,41,46 WCDMA: 1,2,5,8 GSM/GPRS: GSM-850, E-GSM-900, DCS-1800, PCS-1900 Location: GPS, Galileo, GLONASS, BeiDou, QZSS One eSIM and one Nano SIM Note: AT&T locked device will not support eSIM

Battery	Surface Pro 4	Surface Duo
Size	38.2 Wh	3577 mAh
Battery Life	Up to 9 hours of video playback	Up to 15.5 hours of Local Video Playback Up to 10 days of Standby Time Up to 27 hours of Talk Time
Power Supply	36W proprietary power supply USB-A output: 5W Surface Connect: 31W	18W USB-C PD charger

Software	Surface Pro 4	Surface Duo
OS	Windows 10 Pro	Android™ 10 3-years of software updates.
Built-in Apps	Microsoft Office 30-days trial	Microsoft built-in applications: Microsoft Office: Word, Excel, PowerPoint, Office Lens, PDF Reader, and more Microsoft Outlook Microsoft Teams Microsoft OneDrive Microsoft Edge Microsoft OneNote Microsoft To Do Microsoft News Microsoft Authenticator Microsoft Bing Search Intune Company Portal LinkedIn Microsoft Solitaire Collection Surface Audio Microsoft Surface Duo UI core features: Dual screen windowing Adaptive modes App Groups Microsoft 365 Feed Dynamic dock Universal Search Adaptive Camera Microsoft SwiftKey Adaptive Keyboard Your Phone Companion - Link to Windows Other preinstalled apps: Google Search Google Assistant Google Calendar Google Drive Google Duo Google Photos Google Play Movies & TV Google Play Store Google Maps Chrome Gmail YouTube YouTube Music Contacts Messages Phone Files Clock Calculator Sound recorder Spotify (Unlocked) HBO MAX (AT&T) AT&T TV (AT&T) My AT&T (AT&T) Call Protect (AT&T) Amazon Shopping (AT&T) NBA (AT&T)

Camera & Audio	Surface Pro 4	Surface Duo
Camera	Windows Hello face authentication camera (front-facing) 5.0MP front-facing camera with 1080p Skype HD video 8.0MP rear-facing autofocus camera with 1080p full HD video	Adaptive camera 11MP, f/2.0, 1.0 µm, PDAF and 84.0° diagonal FOV optimized with AI for front and rear Photos: Auto mode with low-light & HDR multi-frame photo capture and dynamic range scene detection Super-resolution zoom, and super zoom up to 7x Portrait mode with adjustable depth control Panorama mode Burst mode Video recording: 4K video recording at 30 fps and 60 fps 1080p video recording at 30 fps and 60 fps HEVC and H.264 video recording formats Gyro-based digital video stabilization Video Conferencing Microsoft Teams and Skype video conferencing up to 1080p at 30fps High CRI LED Flash for both front and world facing photo and video scenarios
Audio	Dual microphones Front-facing stereo speakers with Dolby® Audio	Mono speaker Dual Mic noise suppression and echo cancellation optimized for productive use in all postures Best-in-class Full Duplex communication for voice calls in hands-free mode Audio formats supported: 3GP, MP3, MP4, MKV, WAV, OGG, M4A, AAC, TS, AMR, FLAC, MID, MIDI, RTTL, RTX, OTA, IMY Qualcomm® aptX™ Adaptive

Misc	Surface Pro 4	Surface Duo
Inking	Supports Surface Pen 1024 levels of pressure magnetic storage	Supports all in market generations of Surface Slim Pen, Surface Pen and Surface Hub 2 Pen 4096 levels of pressure Tilt sensing Best in class latency Paper feel magnetic storage
Sensors	Ambient light sensor Accelerometer Gyroscope Magnetometer	Dual Accelerometer Dual Gyroscope Dual Magnetometer Dual Ambient Light Sensor Proximity Sensor Hall Sensor Fingerprint Sensor
Security	HW TPM 2.0 chip for enterprise security Enterprise-grade protection with Windows Hello face sign-in	Biometric lock type: Fingerprint reader (1:100K FAR <3% FRR) Lock type: Swipe, PIN, password Security applications pre-loaded on the device: Microsoft Authenticator
In the box	Surface Pro 4 Surface Pen Power supply Quick Start Guide Safety and warranty documents	Surface Duo Surface Duo Bumper (Color: Glacier) Surface Duo USB-C® Power Supply (18w) Quick Start Guide Warranty and Compliance Guide SIM Ejector tool
Warranty	One-year limited hardware warranty
More	Mechanical features: Signature unibody magnesium design with hidden perimeter venting Kickstand with a full-friction multiposition hinge to 150 degrees Magnetic attach for keyboard fold stability Physical buttons: volumes, power	Exterior Material: Corning® Gorilla® Glass