2021 ROG Flow X13 vs. Surface Book 3 15”: Full specs comparison

We thoroughly analyzed technical specifications for 2021 ROG Flow X13 and Surface Book 3 15” models, including CPU, memory, storage, battery life, display quality, and other features.

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2021 ROG Flow X13 image

2021 ROG Flow X13

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Surface Book 3 15” image

Surface Book 3 15”

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2021 ROG Flow X13 Pros

Reasons that 2021 ROG Flow X13 is better than Surface Book 3 15”.

Newer manufacturing

2021 vs. 2020

Much faster CPU performance

AMD Ryzen 9-5980HS inside 2021 ROG Flow X13 has a 108% better multi-core CPU performance score than the Intel Core i7-1065G7 inside Surface Book 3 15”.

Geekbench 5 multi-core score
2021 ROG Flow X13 - AMD Ryzen 9-5980HS
7,773
2021 ROG Flow X13 - AMD Ryzen 9-5900HS
7,162
Surface Book 3 15” - Intel Core i7-1065G7
3,722
Supports faster memory

The 2021 ROG Flow X13 supports a faster memory speed than the Surface Book 3 15”. It supports up to 4267MHz versus 3733MHz of system memory on the Surface Book 3 15”.

Memory type and speed
2021 ROG Flow X13 - LPDDR4X
4,267 MHz
Surface Book 3 15” - LPDDR4X
3,733 MHz
About 32% lighter

The 2021 ROG Flow X13 weighed 2.87 pounds, 32% lighter than the 4.20 pounds Surface Book 3 15”.

Weight2021 ROG Flow X13Surface Book 3 15”
Pound
2.87 lbs.
4.20 lbs.
Kilogram
1.30 kg
1.91 kg

Surface Book 3 15” Pros

Reasons that Surface Book 3 15” is better than 2021 ROG Flow X13.

11% larger display

Surface Book 3 15” has a 15-inch screen size 11% larger than the 13.4-inch 2021 ROG Flow X13.

Display size
Surface Book 3 15”
15-inch
2021 ROG Flow X13
13.4-inch
Has one more port and slot

Surface Book 3 15” has more ports and slots count than the 2021 ROG Flow X13. It has seven versus six amount of ports and slots on the 2021 ROG Flow X13.

Ports2021 ROG Flow X13Surface Book 3 15”
full-size SD card slotNoYes
HDMIYesNo
headphone jackYesYes
power portNoYes x2
ROG XG Mobile InterfaceYesNo
USB-AYesYes x2
USB-CYes x2Yes
Total67
Slightly more versatile connectivity

Surface Book 3 15” has better versatile I/O connectivity than the 2021 ROG Flow X13. It has five versus four commonly used ports and slots on the 2021 ROG Flow X13.

Ports2021 ROG Flow X13Surface Book 3 15”
headphone jackYesYes
USB-AYesYes
USB-CYesYes
full-size SD card slotNoYes
HDMIYesNo
power portNoYes

Key Similars

Similar characteristics share between 2021 ROG Flow X13 and Surface Book 3 15”.

Supports the same maximum memory size of up to 32GB

Both laptops supports up to 32GB of system memory.

Max system memory size
2021 ROG Flow X13
32 GB
Surface Book 3 15”
32 GB

Prices

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

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
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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
Surface Book 3 15” Price
NEW Microsoft Surface Book 3 - 15" Touch-Screen - 10th Gen Intel Core i7 - 16GB Memory - 256GB SSD (Latest Model) - Platinum
 NEW Microsoft Surface Book 3 - 15" Touch-Screen - 10th Gen Intel Core i7 - 16GB Memory - 256GB SSD (Latest Model) - Platinum
By Microsoft
$1,299.00
See at Amazon
Microsoft New Surface Book 3-15" Touch-Screen - 10th Gen Intel Core i7-16GB Memory - 256GB SSD (Latest Model) - Platinum (Renewed)
 Microsoft New Surface Book 3-15" Touch-Screen - 10th Gen Intel Core i7-16GB Memory - 256GB SSD (Latest Model) - Platinum (Renewed)
By Microsoft
$999.95
See at Amazon
Microsoft Surface Book 3-15" Touch-Screen - 10th Gen Intel Core i7-32GB Memory - 512GB SSD (Latest Model) - Platinum (Renewed)
 Microsoft Surface Book 3-15" Touch-Screen - 10th Gen Intel Core i7-32GB Memory - 512GB SSD (Latest Model) - Platinum (Renewed)
By Microsoft
$1,299.00
See at Amazon

Specs Comparison

Availability

2021 ROG Flow X13Surface Book 3 15”
Released20212020
Release DateAnnounced on January 13, 2021 (CES 2021)
  • Introduced: May 6, 2020
  • Pre-ordered: May 6, 2020
  • Released: May 12, 2020
Pricing-For Consumer
  • $2,299 - i7 | 16GB | 256GB | GTX 1660 Ti
  • $2,799 - i7 | 32GB | 512GB | GTX 1660 Ti
  • $2,999 - i7 | 32GB | 1TB | GTX 1660 Ti
  • $3,399 - i7 | 32GB | 2TB | GTX 1660 Ti
For Commercial
  • $2,399 - i7 | 16GB | 256GB | GTX 1660 Ti
  • $2,899 - i7 | 32GB | 512GB | GTX 1660 Ti
  • $3,099 - i7 | 32GB | 1TB | GTX 1660 Ti
  • $3,499 - i7 | 32GB | 2TB | GTX 1660 Ti
  • $3,499 - i7 | 32GB | 512GB | RTX 3000
  • $3,699 - i7 | 32GB | 1TB | RTX 3000
Generations

Exterior

2021 ROG Flow X13Surface Book 3 15”
Dimensions11.77 x 8.74 x 0.62” (299 x 222 x 15.8 mm)13.5” x 9.87” x 0.568-0.90” (343 mm x 251 mm x 15 mm-23 mm)
Weight2.87 lbs (1.30 kg)
  • Total: 4.20 lbs (1,905 g)
  • Tablet: 1.80 lbs (817 g)
Colors
Black
Platinum
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
  • Keyboard:
    • Full-size mechanical backlit keyset with 1.55mm travel.
    • Mechanical friction attaches the Clipboard to the keyboard.
  • Trackpad:
    • Larger size 105 mm x 70 mm, glass.
    • Supports up to Five-finger multitouch gesture.

Display

2021 ROG Flow X13Surface Book 3 15”
Size13.4 Inches15 Inches
Info
  • 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
 
  • Display Resolution: 3240 x 2160 (7M Pixels)
  • Display Density: 260 PPI
  • PixelSense™ Display
  • Aspect ratio: 3:2
  • Contrast ratio: 1600:1
  • Inking: designed together with Surface Pen
  • Touch: 10 points multi-touch

Ports

2021 ROG Flow X13Surface Book 3 15”
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)
Surface Book 3 15” Ports
Image Source: Microsoft
Left (3)
  • 2 x USB-A
    USB 3.1 Gen 2 (10 Gbps)
  • 1 x full-size SD card slot
    UHS-II performance
Right (3)
  • 1 x power port
    Charging, Docking
  • 1 x USB-C
    USB 3.1 Gen 2 (10 Gbps), DisplayPort, Power Delivery
  • 1 x headphone jack
    Headphone/Microphone, On the tablet
Bottom (1)
  • 1 x power port
    Charging, Docking, On the tablet

Internal Specs

2021 ROG Flow X13Surface Book 3 15”
Processor
  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
  1. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
Integrated Graphics
  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
  1. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
Memory
16GB 32GB
Dual-Channel LPDDR4X 4266MHz Onboard Memory
16GB 32GB
3733 MHz LPDDR4x
Discrete GraphicsNVIDIA® GeForce® GTX 1650
4GB GDDR6 VRAM (With ROG Boost up to 1255MHz at 35W (40W with Dynamic Boost)).
  • NVIDIA® GeForce® GTX 1660 Ti with Max-Q
    Turning Architecture, 6GB GDDR6, 192-bit, 1245 → 1425 MHz, 1536 CUDA Cores.
  • NVIDIA® Quadro® RTX™ 3000 with Max-Q
    Turning Architecture, 6GB GDDR6,  192-bit, 765 → 1305 MHz, 1920 CUDA Cores, 240 Tensor Cores, 30 RT Cores, Real-time ray tracing, AI hardware acceleration, ODE, QNF,
Storage
512GB 1TB
M.2 NVMe PCIe 3.0
256 GB 512 GB 1 TB 2TB
PCIe SSD

Connectivity

2021 ROG Flow X13Surface Book 3 15”
Wi-FiIntel® Wi-Fi 6 with Gig+ performance (802.11ax)
  • Wi-Fi 6: IEEE 802.11 a/b/g/n/ac/ax compatible.
BluetoothBluetooth 5.0
  • Bluetooth Wireless 5.0 technology
More-
  • Xbox Wireless built-in

Battery

2021 ROG Flow X13Surface Book 3 15”
Size62 Wh 4-cell lithium-ion
  • Total: 90Wh
    Clipboard: 23Wh
    Base: 67Wh
Battery LifeUp to 10 hours
Video playback.
Up to 17.5 hours of typical device usage
Power Supply100W USB-C power adaptor127W Surface Power Supply with USB-A (7W) charging port.

Software

2021 ROG Flow X13Surface Book 3 15”
OS
  • Windows 10 Home
  • Windows 10 Pro
  • For Consumer: Windows 10 Home 64-bit
  • For Commercial: Windows 10 Pro 64-bit
Free upgrade to Windows 11
Built-in Apps
Armoury Crate GameVisual 1M Xbox Game Pass
Microsoft Office 365 30-days trial

Camera & Audio

2021 ROG Flow X13Surface Book 3 15”
Camera Front-facing camera
Top-mount front camera, 0.92 Megapixels (1280 x 720 HD).
  • Windows Hello face authentication camera (front-facing)
  • 5.0MP front-facing camera with 1080p HD video
  • 8.0MP rear-facing autofocus camera with 1080p HD video
Audio
  • 2x 1W speaker with Smart Amp Technology
  • Built-in array microphone
  • Two-Way AI Noise Cancelation
  • Dual far-field Studio Mics
  • Front-facing stereo speakers with Dolby Atmos®
    • Support for Windows Sonic for Headphones
    • Support for Dolby® Atmos for Headphones

Misc

2021 ROG Flow X13Surface Book 3 15”
InkingSupports ASUS Pen.Supports Surface Pen
4096 levels of pressure
Tilt sensing
Best in class latency
Paper feel
0.1mm precision
Sensors-
  • Ambient light sensor
  • Proximity sensor
  • Accelerometer
  • Gyroscope
  • Magnetometer
Security-
  • HW TPM 2.0 chip for enterprise security
  • Enterprise-grade protection with Windows Hello face sign-in
In the box-
  • Surface Book 3 15”
  • Power supply
  • Quick Start Guide
  • Safety and warranty documents
Warranty-One-year limited hardware warranty
More-Supports Surface Dial
Supports both on-screen and off-screen interaction.

Key Features

2021 ROG Flow X13Surface Book 3 15”
At Glance
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
Released in Mid
2020
3:2 3.2K
15”
2160p 60Hz
Weight
4.20 lb
1.91 kg
Powered By
Intel Core i7-1065G7
4C/8T, 1.30 → 3.90 GHz
Geekbench 5
1,088
Single Core
Geekbench 5
3,722
Multi-Core
With integrated
Intel® Iris® Plus Graphics
64 Execution Units, 300 → 1100 MHz
Configurable up to
32GB
3733 MHz LPDDR4X
Surface Book 3 15” Ports
Nvidia GeForce
RTX 3000
6GB GDDR6 with Max-Q

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