Surface Duo 2 vs. 2021 ROG Flow X13: Full specs comparison

We thoroughly analyzed technical specifications for Surface Duo 2 and 2021 ROG Flow X13 models, including CPU, memory, storage, battery life, display quality, and other features.

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Surface Duo 2 image

Surface Duo 2

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2021 ROG Flow X13 image

2021 ROG Flow X13

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Surface Duo 2 Pros

Reasons that Surface Duo 2 is better than 2021 ROG Flow X13.

About 79% lighter

Surface Duo 2 weighed 0.62 pounds, 79% lighter than the 2.87 pounds 2021 ROG Flow X13.

WeightSurface Duo 22021 ROG Flow X13
Pound
0.62 lbs.
2.87 lbs.
Kilogram
0.28 kg
1.30 kg

2021 ROG Flow X13 Pros

Reasons that 2021 ROG Flow X13 is better than Surface Duo 2.

Supports larger memory

The 2021 ROG Flow X13 supports a larger memory capacity than the Surface Duo 2. It supports up to 32GB versus 8GB of system memory on the Surface Duo 2.

Max system memory size
2021 ROG Flow X13
32 GB
Surface Duo 2
8 GB
Supports discrete graphics

Configurable up to NVIDIA GeForce GTX 1650 4GB GDDR6 vs. integrated

61% larger display

The 2021 ROG Flow X13 has a 13.4-inch screen size 61% larger than the 8.3-inch Surface Duo 2.

Display size
2021 ROG Flow X13
13.4-inch
Surface Duo 2
8.3-inch

Prices

Here are the latest price updates and offers for both devices.

Surface Duo 2 Price
Microsoft Surface Duo 256GB (Unlocked) - Glacier
 Microsoft Surface Duo 256GB (Unlocked) - Glacier
By Microsoft
$811.19
$1,120.99 28% OFF
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Microsoft Surface Duo 128GB AT&T Locked, Glacier (Renewed)
 Microsoft Surface Duo 128GB AT&T Locked, Glacier (Renewed)
By Microsoft
$389.95
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Microsoft Surface Duo Bumper 2 - Tangerine
 Microsoft Surface Duo Bumper 2 - Tangerine
By Microsoft
$18.95
$39.99 53% OFF
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2021 ROG Flow X13 Price
ASUS ROG Flow Z13 (2023) Gaming Laptop Tablet, 13.4” Nebula Display 16:10 QHD 165Hz, GeForce RTX 4050, Intel Core i9-13900H, 16GB LPDDR5, 1TB PCIe SSD, Wi-Fi 6E, Windows 11, GZ301VU-DS94,Black
 ASUS ROG Flow Z13 (2023) Gaming Laptop Tablet, 13.4” Nebula Display 16:10 QHD 165Hz, GeForce RTX 4050, Intel Core i9-13900H, 16GB LPDDR5, 1TB PCIe SSD, Wi-Fi 6E, Windows 11, GZ301VU-DS94,Black
By ASUS
$1,749.99
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ASUS ROG Flow X13 Ultra Slim 2-in-1 Gaming Laptop, 13.4” 120Hz FHD+ Display, GeForce GTX 1650, AMD Ryzen 9 5900HS, 16GB LPDDR4X, 1TB PCIe SSD, Wi-Fi 6, Windows 10 Home, GV301QH-DS96
 ASUS ROG Flow X13 Ultra Slim 2-in-1 Gaming Laptop, 13.4” 120Hz FHD+ Display, GeForce GTX 1650, AMD Ryzen 9 5900HS, 16GB LPDDR4X, 1TB PCIe SSD, Wi-Fi 6, Windows 10 Home, GV301QH-DS96
By ASUS
$1,259.00
$1,359.99 7% OFF
See at Amazon
Asus ROG Flow X13 Gaming 2-in-1 Laptop | 13.4" FHD+ 120Hz Glossy Touch 100% sRGB | AMD 8-Core Zen 4 Ryzen 9 7940HS (>i9-12900H) | 16GB DDR5 512GB SSD | Backlit FHD IR Camera Win11 Black + HDMI Cable
 Asus ROG Flow X13 Gaming 2-in-1 Laptop | 13.4" FHD+ 120Hz Glossy Touch 100% sRGB | AMD 8-Core Zen 4 Ryzen 9 7940HS (>i9-12900H) | 16GB DDR5 512GB SSD | Backlit FHD IR Camera Win11 Black + HDMI Cable
By Asus
$899.00
See at Amazon

Specs Comparison

Availability

Surface Duo 22021 ROG Flow X13
Released20212021
Release Date
  • Introduced: September 22, 2021
  • Pre-ordered: September 22, 2021
  • Released: October 21, 2021
Announced on January 13, 2021 (CES 2021)
Pricing
  • $1,499
    8GB 128 GB
  • $1,599
    8GB 256 GB
  • $1,799
    8GB 512 GB
    Obsidian only.
-
Generations-

Exterior

Surface Duo 22021 ROG Flow X13
Dimensions
  • 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
11.77 x 8.74 x 0.62” (299 x 222 x 15.8 mm)
Weight0.62 lbs (284 g)2.87 lbs (1.30 kg)
Colors
Obsidian Glacier
Black
Keyboard and Trackpad-
  • Full size 15” white backlit chicklet keyboard
  • 1.7mm key travel
  • Hotkeys:
    Volume up Volume down Microphone mute ROG Armoury Crate
  • N-KEY rollover

Display

Surface Duo 22021 ROG Flow X13
Size8.3 Inches13.4 Inches
Info
  • 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™
  • 13.4” WQUXGA 60Hz
    16:10 3840 x 2400 60Hz 116% sRGB 86% Adobe RGB 85% DCI-P3 Pantone Validated Touch Screen IPS Level Anti-Glare Adaptive-Sync Pantone Validated
  • 13.4” WUXGA 120Hz
    16:10 1920 x 1200 120Hz 100% sRGB 75% Adobe RGB 75% DCI-P3 Pantone Validated Touch Screen IPS Level Anti-Glare Adaptive-Sync Pantone Validated

Ports

Surface Duo 22021 ROG Flow X13
Surface Duo 2 Ports
Image Source: Microsoft
  • 1 x USB Type-C 
    USB 3.2 Gen 2.
  • 1 x SIM card slot
2021 ROG Flow X13 Ports
Image Source: ASUS
Left (4)
  • 1 x ROG XG Mobile Interface
    Exclusive interface with PCIe 3.0 x8 (Up to 63Gbps)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x HDMI
    v2.0b
  • 1 x headphone jack
    Headphone/Microphone
Right (2)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps), DisplayPort 1.4, Power Delivery
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps)

Internal Specs

Surface Duo 22021 ROG Flow X13
Processor
  1. Qualcomm® Snapdragon™ 888
    8 cores, 8 threads, 1.80 → 2.84 GHz, 5MB Cache, 5W
  1. AMD Ryzen™ 9 5900HS
    8 cores, 16 threads, 3.00 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
  2. AMD Ryzen™ 9 5980HS
    8 cores, 16 threads, 3.00 → 4.80 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
Integrated Graphics
  1. Qualcomm® Snapdragon™ 888
    Qualcomm® Adreno™ 660 GPU
  1. AMD Ryzen™ 9 5900HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 2100 MHz
  2. AMD Ryzen™ 9 5980HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 2100 MHz
Memory8GB DRAM LPDDR5 memory
16GB 32GB
Dual-Channel LPDDR4X 4266MHz Onboard Memory
Discrete Graphics-NVIDIA® GeForce® GTX 1650
4GB GDDR6 VRAM (With ROG Boost up to 1255MHz at 35W (40W with Dynamic Boost)).
Storage
128GB 256GB 512GB
UFS 3.0 of internal storage
512GB 1TB
M.2 NVMe PCIe 3.0

Connectivity

Surface Duo 22021 ROG Flow X13
Wi-FiWi-Fi 6 802.11ax (2.4/5GHz)Intel® Wi-Fi 6 with Gig+ performance (802.11ax)
BluetoothBluetooth Wireless 5.1 technologyBluetooth 5.0
More
  • 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
-

Battery

Surface Duo 22021 ROG Flow X13
Size
  • 4,449 mAh
    Typical dual battery capacity.
  • 4,340 mAh
    Minimum dual battery capacity.
62 Wh 4-cell lithium-ion
Battery Life
  • Up to 15.5 hours of Local Video Playback
  • Up to 28 hours of Talk Time
Up to 10 hours
Video playback.
Power Supply23W USB-C PD charger
Supports Fast Charging.
100W USB-C power adaptor

Software

Surface Duo 22021 ROG Flow X13
OSAndroid™ 11
3-years of software updates.
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps
  • 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
Armoury Crate GameVisual 1M Xbox Game Pass

Camera & Audio

Surface Duo 22021 ROG Flow X13
Camera
  • 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
 Front-facing camera
Top-mount front camera, 0.92 Megapixels (1280 x 720 HD).
Audio
  • 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
  • 2x 1W speaker with Smart Amp Technology
  • Built-in array microphone
  • Two-Way AI Noise Cancelation

Misc

Surface Duo 22021 ROG Flow X13
InkingSupports 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 0.1mm precision magnetic storage
Supports ASUS Pen.
Sensors
  • Dual Accelerometer
  • Dual Gyroscope
  • Dual Magnetometer
  • Dual Ambient Light Sensor
  • Dual Proximity Sensor
  • Hall Sensor
  • Fingerprint Sensor
-
Security
  • Biometric lock type: Fingerprint reader with enterprise-grade security
  • Lock type: Swipe, PIN, password
  • Security applications pre-loaded on the device: Microsoft Authenticator
-
In the box
  • 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
-
Warranty
  • One-year limited hardware warranty
-
More
  • 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.
-

Key Features

Surface Duo 22021 ROG Flow X13
At Glance
Released in
2021
13:9 2.6K
8.3”
1892p 90Hz ARR
Weight
0.62 lb
0.28 kg
Powered By
Qualcomm® Snapdragon™ 888
8C/8T, 1.80 → 2.84 GHz
With integrated
Qualcomm® Adreno™ 660 GPU
8GB
LPDDR5 Memory
Surface Duo 2 Ports
Released in Early
2021
16:10
13.4”
1200p 120Hz
Weight
2.87 lb
1.30 kg
Up to
AMD Ryzen 9-5980HS
8C/16T, 3.00 → 4.80 GHz
Geekbench 5
1,450
Single Core
Geekbench 5
7,773
Multi-Core
With integrated
AMD Radeon™ Graphics
8 Graphics Cores, 2100 MHz
Configurable up to
32GB
4267 MHz LPDDR4X
2021 ROG Flow X13 Ports
NVIDIA GeForce
GTX 1650
4GB GDDR6

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