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Surface Pro X vs. Surface Pro 4 - Detailed Specs Comparison

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

BY Evan Forrest February 21, 2026

Surface Pro X vs. Surface Pro 4

The 2019 Surface Pro X features the 7W Qualcomm Snapdragon 8-core Microsoft SQ1 with a clock speed of 3.00 GHz. While 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.

If you are in the market looking for a laptop and don't know what's the difference between the 13″ Surface Pro X (2019) and the 12.3″ Surface Pro 4 (2015), we have a detailed tech specs comparison between both devices for you to check out here.

Surface Pro X vs. Surface Pro 4: Specs Comparison

	Compare With Please enter device name or part of it Surface Pro X See at Amazon	Compare With Please enter device name or part of it Surface Pro 4 See at Amazon
Key Features
What's new	New Pro Design - The thinnest Surface Pro ever at just 7.3mm thin with a larger 13” edge-to-edge PixelSense display. Always Connected - Surface Pro X comes with blazing-fast LTE connectivity as standard. Microsoft SQ1 - Custom-made by Microsoft in partnership with Qualcomm for delivering the best performance and battery life. Windows 10 on Arm - Not Windows RT! It can run most desktop apps in the 32-bit emulator. More Features Removable SSD storage Supports fast charging Dual far-field studio mics 2 x USB-C ports 2W stereo speakers 4K rear camera	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.
What's missing	No MicroSD card reader No Headset jack Can't emulate native 64-bit applications Microsoft is currently working to brings 64-bit emulation to Windows 10 on Arm.

Availability	Surface Pro X	Surface Pro 4
Released	2019	2015
Release Info	Introduced: October 2, 2019 (Microsoft October Event) Pre-ordered: October 2, 2019 Released: Early November 2019	Introduced: October 7, 2015 Pre-ordered: October 7, 2015 Released: October 26, 2015
Pricing	Starting at 999$	Starting at 899$
Amazon Deals	$499.99 Microsoft Surface Pro X 13in Microsoft SQ1 8GB RAM 128GB SSD Wi-Fi + 4G LTE Black (Renewed) $519.99 Microsoft Surface Pro X 13in Microsoft SQ1 8GB RAM 256GB SSD WiFi + 4G LTE Black (Renewed) $799.99 Microsoft 13" Multi-Touch Surface Pro X, SQ1, 8GB RAM, 128GB SSD, PixelSense Display, Adreno 685 GPU, Bluetooth 5.0, Windows 11 Pro (Wi-Fi Only, Platinum)	$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)

Microsoft Surface Pro X SQ1 Price
	Microsoft Surface Pro X 13in Microsoft SQ1 8GB RAM 128GB SSD Wi-Fi + 4G LTE Black (Renewed) By Microsoft $499.99 $935.00 47% OFF	See at Amazon
	Microsoft Surface Pro X 13in Microsoft SQ1 8GB RAM 256GB SSD WiFi + 4G LTE Black (Renewed) By Microsoft $519.99 $1,169.00 56% OFF	See at Amazon
	Microsoft 13" Multi-Touch Surface Pro X, SQ1, 8GB RAM, 128GB SSD, PixelSense Display, Adreno 685 GPU, Bluetooth 5.0, Windows 11 Pro (Wi-Fi Only, Platinum) By Microsoft $799.99	See at Amazon
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

Display	Surface Pro X	Surface Pro 4
Size	13 Inches	12.3 Inches
Info	Resolution: 2880 x 1920 (5.53M Pixels) Density: 267 PPI PixelSense™ Display Aspect ratio: 3:2 Inking: designed together with Surface Pen Touch: 10 points multi-touch Corning® Gorilla® Glass 10nm Oleophobic Coating	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

Exterior	Surface Pro X	Surface Pro 4
Size Comparison
Dimensions	11.3” x 8.2” x 0.28” (287 mm x 208 mm x 7.3 mm) Width: 11.3” (287 mm) Height: 8.2” (208 mm) Thickness: 0.28” (7.3 mm)	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)
Weight	1.70 lbs (774 g)	Intel Core m3: 1.69 lbs (766 g) Intel Core i5 and i7: 1.73 lbs (786 g)
Colors	Matte Black	Silver
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. Surface Slim Pen Storage Magnetic dock Automatically wireless charge Surface Slim Pen	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	2 x USB Type-C 3.1 Gen 2 Supports Power Delivery and DisplayPort. 1 x Surface Connect+ Supports charging and docking station. 1 x Nano SIM 1 x Surface Pro X Type Cover	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

Internal Specs	Surface Pro X	Surface Pro 4
Processor	Microsoft® SQ1™ 8 cores, 8 threads, 3.00 GHz, 2MB Cache, 7W	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
Integrated Graphics	Microsoft® SQ1™ Microsoft® SQ1™ Adreno™ 685 GPU 2.1 teraflops of graphics processing power,	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
Memory	8GB 16GB LPDDR4X RAM	4GB 8GB 16GB 1866 MHz LPDDR3 RAM
Storage	128 GB 256 GB 512 GB Removable PCIe SSD	128 GB 256 GB 512 GB 1 TB PCIe NVMe SSD

Connectivity	Surface Pro X	Surface Pro 4
Wi-Fi	Wi-Fi 6: IEEE 802.11 a/b/g/n/ac/ax compatible.	Wi-Fi 5: IEEE 802.11 a/b/g/n/ac compatible.
Bluetooth	Bluetooth Wireless 5.0 technology	Bluetooth Wireless 4.0 technology
	Qualcomm® Snapdragon™ X24 LTE modem Up to Gigabit LTE Advanced Pro5 with nanoSIM and eSIM support. LTE Bands supported: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66 Assisted GPS and GLONASS support

Battery	Surface Pro X	Surface Pro 4
Size	38.2 Wh
Battery Life	Up to 13 hours of typical device usage	Up to 9 hours of video playback
Power Supply	60W power supply with USB-A (5W) (65W total) Supports Fast Charge (0-80% in about one hour)	36W proprietary power supply USB-A output: 5W Surface Connect: 31W

Software	Surface Pro X	Surface Pro 4
OS	For Consumer: Windows 10 Home For Commercial: Windows 10 Pro Free upgrade to Windows 11	Windows 10 Pro
Built-in Apps	Microsoft Office 365 30-days trial	Microsoft Office 30-days trial

Camera & Audio	Surface Pro X	Surface Pro 4
Camera	Windows Hello face authentication camera (front-facing). 5.0MP front-facing camera with 1080p Skype HD video. 10.0MP rear-facing autofocus camera with 1080p full HD video/4K video.	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
Audio	Dual far-field Studio Mics 2W stereo speakers with Dolby® Audio™ Premium	Dual microphones Front-facing stereo speakers with Dolby® Audio

Misc	Surface Pro X	Surface Pro 4
Inking	Supports Surface Pen 4096 levels of pressure Tilt sensing Best in class latency Paper feel 0.1mm precision magnetic storage	Supports Surface Pen 1024 levels of pressure magnetic storage
Sensors	Ambient light sensor Accelerometer Gyroscope Magnetometer
Security	Firmware TPM Enterprise-grade protection with Windows Hello face sign-in	HW TPM 2.0 chip for enterprise security Enterprise-grade protection with Windows Hello face sign-in
In the box	Surface Pro X Power supply SIM card access tool Quick Start Guide Safety and warranty documents	Surface Pro 4 Surface Pen Power supply Quick Start Guide Safety and warranty documents
Warranty	30-day return policy 90 days of free technical phone support One-year limited hardware warranty Commercial: Advanced Exchange warranty service with expedited device replacement	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