2020 ROG Zephyrus Duo 15 vs. Surface Laptop 4 13.5”: Which is better?

Here is a side by side comparison between 2020 ROG Zephyrus Duo 15 and Surface Laptop 4 13.5” specs including CPU, RAM, storage, battery, display, and more.

2020 ROG Zephyrus Duo 15 Pros

Reasons that 2020 ROG Zephyrus Duo 15 is better than Surface Laptop 4 13.5”.

Significantly faster CPU performance

Intel Core i9-10980HK inside 2020 ROG Zephyrus Duo 15 has a 44% better multi-core CPU performance score than the Intel Core i7-1185G7 inside Surface Laptop 4 13.5”.

Geekbench 5 multi-core score
2020 ROG Zephyrus Duo 15 - Intel Core i9-10980HK
7,013
2020 ROG Zephyrus Duo 15 - Intel Core i7-10875H
6,874
Surface Laptop 4 13.5” - AMD Ryzen 7-4980U Microsoft Surface Edition
6,365
Surface Laptop 4 13.5” - Intel Core i7-1185G7
4,864
Surface Laptop 4 13.5” - AMD Ryzen 5-4680U Microsoft Surface Edition
4,614
Surface Laptop 4 13.5” - Intel Core i5-1145G7
4,450
Surface Laptop 4 13.5” - Intel Core i5-1135G7
3,980
Supports larger memory

The 2020 ROG Zephyrus Duo 15 supports a larger memory capacity than the Surface Laptop 4 13.5”. It supports up to 48GB versus 32GB of system memory on the Surface Laptop 4 13.5”.

Max system memory size
2020 ROG Zephyrus Duo 15
48 GB
Surface Laptop 4 13.5”
32 GB
Upgradable memory

The 2020 ROG Zephyrus Duo 15 comes with one SODIMM slot that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Surface Laptop 4 13.5” since it has onboard memory.

Memory2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Slots
x1
Onboard
TypeDDR4LPDDR4X
Supports discrete graphics

Configurable up to Nvidia GeForce RTX 2080 SUPER 8GB GDDR6 vs. integrated

15% larger display

The 2020 ROG Zephyrus Duo 15 has a 15.6-inch screen size 15% larger than the 13.5-inch Surface Laptop 4 13.5”.

Display size
2020 ROG Zephyrus Duo 15
15.6-inch
Surface Laptop 4 13.5”
13.5-inch

Surface Laptop 4 13.5” Pros

Reasons that Surface Laptop 4 13.5” is better than 2020 ROG Zephyrus Duo 15.

Supports faster memory

Surface Laptop 4 13.5” supports a faster memory speed than the 2020 ROG Zephyrus Duo 15. It supports up to 4267MHz versus 3200MHz of system memory on the 2020 ROG Zephyrus Duo 15.

Memory type and speed
Surface Laptop 4 13.5” - LPDDR4X
4,267 MHz
2020 ROG Zephyrus Duo 15 - DDR4
3,200 MHz
About 48% lighter

Surface Laptop 4 13.5” weighed 2.79 pounds, 48% lighter than the 5.29 pounds 2020 ROG Zephyrus Duo 15.

Weight2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Pound
5.29 lbs.
2.79 lbs.
Kilogram
2.40 kg
1.27 kg

Prices

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

2020 ROG Zephyrus Duo 15 Price
ASUS ROG Zephyrus Duo 16 (2022) Gaming Laptop, 16” 165Hz IPS Type WUXGA 16:10 Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 6800H, 16GB DDR5, 1TB SSD, Windows 11, GX650RM-ES74
ASUS ROG Zephyrus Duo 16 (2022) Gaming Laptop, 16” 165Hz IPS Type WUXGA 16:10 Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 6800H, 16GB DDR5, 1TB SSD, Windows 11, GX650RM-ES74
By ASUS
$2,009.99
$2,499.99 20% OFF
ASUS ROG Zephyrus Duo 16 (2022) Gaming Laptop, 16” 165Hz ROG Nebula HDR QHD 16:10 Display, NVIDIA GeForce RTX 3070 Ti, AMD Ryzen 9 6900HX, 32GB DDR5, 1TB SSD, Windows 11, GX650RW-XS96,Black
ASUS ROG Zephyrus Duo 16 (2022) Gaming Laptop, 16” 165Hz ROG Nebula HDR QHD 16:10 Display, NVIDIA GeForce RTX 3070 Ti, AMD Ryzen 9 6900HX, 32GB DDR5, 1TB SSD, Windows 11, GX650RW-XS96,Black
By ASUS
$2,199.00
$3,499.99 37% OFF
ASUS ROG Zephyrus Duo SE 15 Gaming Laptop, 15.6” 300Hz FHD IPS Type Display, NVIDIA GeForce RTX 3080, AMD Ryzen 9 5900HX, 32GB DDR4, 1TB PCIe SSD, Per-Key RGB Keyboard, Windows 10 Pro, GX551QS-XS98
ASUS ROG Zephyrus Duo SE 15 Gaming Laptop, 15.6” 300Hz FHD IPS Type Display, NVIDIA GeForce RTX 3080, AMD Ryzen 9 5900HX, 32GB DDR4, 1TB PCIe SSD, Per-Key RGB Keyboard, Windows 10 Pro, GX551QS-XS98
By ASUS
$2,199.99
Surface Laptop 4 13.5” Price
Microsoft Surface Laptop 4 13.5” Touch-Screen – Intel Core i7 - 16GB - 512GB Solid State Drive - Matte Black
Microsoft Surface Laptop 4 13.5” Touch-Screen – Intel Core i7 - 16GB - 512GB Solid State Drive - Matte Black
By Microsoft
$985.00
$1,699.99 42% OFF
Microsoft Surface Laptop 4 13.5-inch Touch-Screen – AMD Ryzen 5 Surface Edition - 8GB Memory - 256GB Solid State Drive - Platinum (Renewed)
Microsoft Surface Laptop 4 13.5-inch Touch-Screen – AMD Ryzen 5 Surface Edition - 8GB Memory - 256GB Solid State Drive - Platinum (Renewed)
By Microsoft
$398.99
Microsoft Surface Laptop 4 13.5” Touch-Screen – Intel Core i5 - 8GB - 512GB Solid State Drive- Ice Blue
Microsoft Surface Laptop 4 13.5” Touch-Screen – Intel Core i5 - 8GB - 512GB Solid State Drive- Ice Blue
By Microsoft
$549.99
$627.00 12% OFF

Availability

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Released20202021
Release Date-
  • Introduced: April 13, 2021
  • Released: April 13, 2021
Pricing-
  • $999.99
    AMD Ryzen 5 8GB 256GB Platinum Only
  • $1,199.99
    AMD Ryzen 5 16GB 256GB Platinum Only
  • $1,299.99
    Intel Core i5 8GB 512GB
  • $1,499.99
    Intel Core i5 16GB 512GB
  • $1,699.99
    Intel Core i7 16GB 512GB
  • $2,299.99
    Intel Core i7 32GB 1TB Matte Black Only
Applicable Models
  • 2020 ROG Zephyrus Duo
  • ROG Zephyrus Duo 15 (2020)
  • ROG Zephyrus Duo 15 GX550L
-
Generations

Exterior

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Dimensions14.17” x 10.55” x 0.78” (360 x 268 x 20 mm)12.1” x 8.8” x 0.57” (308 mm x 223 mm x 14.5 mm)
Weight5.29 lbs (2.4 kg)
  • 2.84 lb (1,288 g)
    Sandstone and Matte Black
  • 2.79 lb (1,265 g)
    Cobalt Blue and Platinum
Colors
Brushed Black
  • Metal
    Matte Black Sandstone
  • Alcantara
    Ice Blue Platinum
Keyboard and Trackpad
  • Backlit chiclet keyboard
  • Per-key RGB lighting 1.4mm travel distance
  • N key rollover
  • Keyboard:
    • Full-size backlit keyboard with a soft-touch feel and full 1.3mm travel.
    • Large palm rest with premium Alcantara® material for maximized typing comfort.
  • Trackpad:
    • Larger size 115 mm x 76.66 mm, glass.
    • Supports up to Five-finger multitouch gesture.

Display

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Size15.6 Inches13.5 Inches
Info
  • 15.6-inch, Non-glare UHD (3840 x 2160), IPS panel 60Hz, 100% Adobe RGB, Pantone® Validated, G-SYNC™ with 14.1-inch (3840 x 1100) touchscreen
  • 15.6-inch, Non-glare Full HD (1920 x 1080), IPS panel 300Hz/3ms, 100% sRGB, Pantone® Validated, G-SYNC™ with 14.1-inch (3840 x 1100) touchscreen
  • Resolution: 2256 x 1504 (201 PPI)
  • PixelSense™ Display
  • Aspect ratio: 3:2
  • Inking: designed together with Surface Pen
  • Touch: 10 points multi-touch
  • Corning® Gorilla® Glass 3
  • 10nm Oleophobic Coating
  • 100% sRGB color, individually calibrated

Ports

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
2020 ROG Zephyrus Duo 15 Ports
Image Source: ASUS
  • 1 x USB 3.2 Gen 2 Type C
    Support DisplayPort™ 1.4, Thunderbolt™ 3 and Power Delivery
  • 2 x USB 3.2 Gen 1 Type A
  • 1 x USB 3.2 Gen 2 Type A
  • 1 x HDMI 2.0b
  • 1 x 3.5mm Microphone-in jack
  • 1 x 3.5mm Microphone-in/Headphone-out jack
  • 1 x RJ45
Surface Laptop 4 13.5” Ports
Image Source: Microsoft
  • 1 x Full-size USB 3.2 Gen 2
  • 1 x USB Type-C 3.2 Gen 2
    Supports Power Delivery and DisplayPort.
  • 1 x Surface Connect™ +
    Supports charging and docking station.
  • 1 x Headset jack

Internal Specs

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Processor
  1. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  1. AMD Ryzen™ 5 4680U Microsoft Surface® Edition
    6 cores, 12 threads, 2.10 → 4.00 GHz, 3MB L2 Cache, 8MB L3 Cache, 15W
  2. AMD Ryzen™ 7 4980U Microsoft Surface® Edition
    8 cores, 16 threads, 2.00 → 4.40 GHz, 4MB L2 Cache, 8MB L3 Cache, 15W
  3. 11th Gen Intel® Core™ i5-1135G7
    4 cores, 8 threads, 2.40 → 4.20 GHz, 8MB SmartCache, 28W
  4. 11th Gen Intel® Core™ i5-1145G7
    4 cores, 8 threads, 2.60 → 4.40 GHz, 8MB SmartCache, 28W
  5. 11th Gen Intel® Core™ i7-1185G7
    4 cores, 8 threads, 3.00 → 4.80 GHz, 12MB SmartCache, 28W
Integrated Graphics
  1. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  2. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  1. AMD Ryzen™ 5 4680U Microsoft Surface® Edition
    AMD Radeon™ Graphics
    7 Graphics Cores,
  2. AMD Ryzen™ 7 4980U Microsoft Surface® Edition
    AMD Radeon™ Graphics
    8 Graphics Cores,
  3. 11th Gen Intel® Core™ i5-1135G7
    Intel® Iris® Xe Graphics
    80 Execution Units, 400 → 1300 MHz
  4. 11th Gen Intel® Core™ i5-1145G7
    Intel® Iris® Xe Graphics
    80 Execution Units, 400 → 1300 MHz
  5. 11th Gen Intel® Core™ i7-1185G7
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1350 MHz
MemoryUp to 48GB DDR4 3200MHz SDRAM (16GB onboard memory)
8GB 16GB 32GB
4266 MHz LPDDR4X RAM
Discrete Graphics
ASUS ROG Zephyrus Duo 15 GX550LWS
  • NVIDIA® GeForce® RTX 2070 SUPER™
    8GB GDDR6 VRAM (Boost Clock: 1390MHz, 90W).
ASUS ROG Zephyrus S15 GX502LXS
  • NVIDIA® GeForce® RTX 2080 SUPER™
    8GB GDDR6 VRAM (Boost Clock: 1330MHz, 90W).
-
Storage
  • 1TB+1TB
    M.2 NVMe PCIe 3.0 x4 with RAID 0 support
  • 512GB 1TB
    M.2 NVMe PCIe 3.0 x4
256 GB 512 GB 1 TB
Removable M.2 NVMe SSD

Connectivity

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Wi-FiIntel® Wi-Fi 6 with Gig+ performance (802.11ax)Wi-Fi 6: IEEE 802.11 a/b/g/n/ac/ax compatible.
BluetoothBluetooth 5.0Bluetooth Wireless 5.0 technology
Ethernet
  • Gigabit LAN
    Speed: 10/100/1000 Mbps.
-

Battery

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Size-45.8 Wh
Battery LifeUp to 8.3 hours of 1080p video playback.
  • Up to 19 hours of typical device usage
    AMD™ Ryzen™ 5 models.
  • Up to 17 hours of typical device usage
    Intel® Core™ i5 models.
Power Supply240W power adaptor
Support Type-C PD 3.0 up to 65W.
  • 60W power supply with USB-A (5W) (65W total)
  • Supports Fast Charge (0-80% in about one hour)

Software

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
OS
  • Windows 10 Home
  • Windows 10 Pro
  • For Consumer: Windows 10 Home
  • For Commercial: Windows 10 Pro
Free upgrade to Windows 11
Built-in Apps
Screen Xpert (with ROG theme) Armoury Crate Xsplit Gamecaster
Microsoft Office 365 30-days trial

Camera & Audio

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Camera
  • No Built-in camera.
  • Support external ROG GC21 camera support 1080p@60Hz.
  • Windows Hello face authentication camera (front-facing)
  • 720p HD front-facing video camera
Audio
  • 2 x 4W speakers with Smart AMP technology
  • ESS, High-res certified
  • Array Microphone
  • Dual far-field Studio Mics
  • OmniSonic stereo speakers with Dolby Atmos®

Misc

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
Inking-Supports Surface Pen
4096 levels of pressure
Tilt sensing
Best in class latency
Sensors-
  • Ambient light sensor
Security
  • Kensington lock slot
  • HW TPM 2.0 chip for enterprise security
  • Enterprise-grade protection with Windows Hello face sign-in
  • Secured-Core PC
    For Surface Laptop 4 powered by AMD RyzenTM Microsoft Surface Edition
  • Windows enhanced hardware security
    For Surface Laptop 4 powered by 11th Gen Intel® Core™ processors
In the box-
  • Surface Laptop 4 13.5”
  • Power supply
  • Quick Start Guide
  • Safety and warranty documents
Warranty-
  • One-year limited hardware warranty
  • Surface for Business customers: Includes Advanced Exchange, an expedited replacement service, at no additional cost
More-Supports Surface Dial
Supports off-screen interaction only

Key Features

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”
At Glance
Released in
2020
16:9 FHD 300Hz
15.6”
w/ ScreenPad
Weight
5.29 lb
2.40 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
48GB
3200 MHz DDR4
2020 ROG Zephyrus Duo 15 Ports
Nvidia GeForce
RTX 2080 SUPER
8GB GDDR6
Released in Early
2021
3:2 2.2K
13.5”
1504p 60Hz
Weight
2.79 lb
1.27 kg
Up to
Intel Core i7-1185G7
4C/8T, 3.00 → 4.80 GHz
Geekbench 5
1,404
Single Core
Geekbench 5
4,864
Multi-Core
With integrated
Intel® Iris® Xe Graphics
96 Execution Units, 400 → 1350 MHz
Configurable up to
32GB
4267 MHz LPDDR4X
Surface Laptop 4 13.5” Ports

Comparison Summary

2020 ROG Zephyrus Duo 15 vs. Surface Laptop 4 13.5”

ASUS has released the ROG Zephyrus Duo 15, a 15.6-inch machine, in 2020. It is powered by up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. The laptop has a dedicated GPU option up to Nvidia GeForce RTX 2080 SUPER with 8GB GDDR6.

On the other hand, we have the 13.5-inch Surface Laptop 4 13.5” was introduced by Microsoft about a year later in early-2021. It comes with up to a quad-core Intel Core i7-1185G7 with a boost clock speed up to 4.80 GHz. It has an integrated graphics option up to Intel® Iris® Xe Graphics (96 Execution Units, 400 → 1350 MHz).

Geekbench 5 Single Core

2020 ROG Zephyrus Duo 151
10th Gen Intel® Core™ i7-10875H1,19284.90%
2
10th Gen Intel® Core™ i9-10980HK1,22387.11%
Surface Laptop 4 13.5”1
AMD Ryzen™ 5 4680U Microsoft Surface® Edition87662.39%
2
AMD Ryzen™ 7 4980U Microsoft Surface® Edition1,09077.64%
3
11th Gen Intel® Core™ i5-1135G71,19585.11%
4
11th Gen Intel® Core™ i5-1145G71,31393.52%
5
11th Gen Intel® Core™ i7-1185G71,404100.00%
01,404

Geekbench 5 Multi Core

2020 ROG Zephyrus Duo 151
10th Gen Intel® Core™ i7-10875H6,87498.02%
2
10th Gen Intel® Core™ i9-10980HK7,013100.00%
Surface Laptop 4 13.5”1
AMD Ryzen™ 5 4680U Microsoft Surface® Edition4,61465.79%
2
AMD Ryzen™ 7 4980U Microsoft Surface® Edition6,36590.76%
3
11th Gen Intel® Core™ i5-1135G73,98056.75%
4
11th Gen Intel® Core™ i5-1145G74,45063.45%
5
11th Gen Intel® Core™ i7-1185G74,86469.36%
07,013

The 2020 ROG Zephyrus Duo 15 has a 15.6-inch display which is considerably larger than the 13.5-inch Surface Laptop 4 13.5”. In addition, the 2020 ROG Zephyrus Duo 15 weighs 5.29 lbs. about 89% heavier than the 2.79 lbs. Surface Laptop 4 13.5”. Moreover, measured at 14.17” x 10.55” x 0.78”, the 2020 ROG Zephyrus Duo 15 is much bulkier than the Surface Laptop 4 13.5” at 12.1” x 8.8” x 0.57”.

2020 ROG Zephyrus Duo 15Surface Laptop 4 13.5”

Moving over to upgradability, ASUS claims that the 2020 ROG Zephyrus Duo 15 supports up to 48GB 3200 MHz DDR4 memory that you can upgrade with memory module slots on the motherboard. It also comes with two M.2 slots that users can easily upgrade and install an additional SSD to expand the storage on the device.

For Surface Laptop 4 13.5”, it supports up to 32GB 4267 MHz LPDDR4X memory. Unlike 2020 ROG Zephyrus Duo 15, it has an onboard memory module that is not upgradable by the users. Luckily, it has a single removable M.2 SSD slot that users can replace or upgrade when needed.

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