ROG Mothership GZ700 vs. 2020 ROG Zephyrus Duo 15: Which is better?

Here is a side by side comparison between ROG Mothership GZ700 and 2020 ROG Zephyrus Duo 15 specs including CPU, RAM, storage, battery, display, and more.

ROG Mothership GZ700 Pros

Reasons that ROG Mothership GZ700 is better than 2020 ROG Zephyrus Duo 15.

Supports larger memory

ROG Mothership GZ700 supports a larger memory capacity than the 2020 ROG Zephyrus Duo 15. It supports up to 64GB versus 48GB of system memory on the 2020 ROG Zephyrus Duo 15.

Max system memory size
ROG Mothership GZ700
64 GB
2020 ROG Zephyrus Duo 15
48 GB
10% larger display

ROG Mothership GZ700 has a 17.3-inch screen size 10% larger than the 15.6-inch 2020 ROG Zephyrus Duo 15.

Display size
ROG Mothership GZ700
17.3-inch
2020 ROG Zephyrus Duo 15
15.6-inch

2020 ROG Zephyrus Duo 15 Pros

Reasons that 2020 ROG Zephyrus Duo 15 is better than ROG Mothership GZ700.

Newer manufacturing

2020 vs. 2019

Slightly faster CPU performance

Intel Core i9-10980HK inside 2020 ROG Zephyrus Duo 15 has a 7% better multi-core CPU performance score than the Intel Core i9-9980HK inside ROG Mothership GZ700.

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
ROG Mothership GZ700 - Intel Core i9-9980HK
6,504
Supports faster memory

The 2020 ROG Zephyrus Duo 15 supports a faster memory speed than the ROG Mothership GZ700. It supports up to 3200MHz versus 2666MHz of system memory on the ROG Mothership GZ700.

Memory type and speed
2020 ROG Zephyrus Duo 15 - DDR4
3,200 MHz
ROG Mothership GZ700 - DDR4
2,666 MHz
About 50% lighter

The 2020 ROG Zephyrus Duo 15 weighed 5.29 pounds, 50% lighter than the 10.58 pounds ROG Mothership GZ700.

WeightROG Mothership GZ7002020 ROG Zephyrus Duo 15
Pound
10.58 lbs.
5.29 lbs.
Kilogram
4.80 kg
2.40 kg

Key Similars

Similar characteristics share between ROG Mothership GZ700 and 2020 ROG Zephyrus Duo 15.

Upgradable memory

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

MemoryROG Mothership GZ7002020 ROG Zephyrus Duo 15
Slots
x2
x0,1
TypeDDR4DDR4

Prices

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

ROG Mothership GZ700 Price
Puccy 2 Pack Touch Pad Film Protector, compatible with ASUS ROG Mothership GZ700 / gz700gx 17.3" TPU TouchPad Trackpad Guard ( Not Tempered Glass Screen Protectors ) new version
Puccy 2 Pack Touch Pad Film Protector, compatible with ASUS ROG Mothership GZ700 / gz700gx 17.3" TPU TouchPad Trackpad Guard ( Not Tempered Glass Screen Protectors ) new version
By Puccy
$12.98
Puccy Tempered Glass Screen Protector Film, compatible with ASUS ROG Mothership GZ700 / gz700gx 17.3" (Active Area Cover Only) Protective Protectors Guard
Puccy Tempered Glass Screen Protector Film, compatible with ASUS ROG Mothership GZ700 / gz700gx 17.3" (Active Area Cover Only) Protective Protectors Guard
By Puccy
$40.98
Vaxson 2-Pack Protector Film, compatible with ASUS ROG Mothership GZ700 / gz700gx 17.3" Trackpad Touchpad TPU Sticker Skin [ Not Screen Protectors ]
Vaxson 2-Pack Protector Film, compatible with ASUS ROG Mothership GZ700 / gz700gx 17.3" Trackpad Touchpad TPU Sticker Skin [ Not Screen Protectors ]
By Vaxson
$12.99
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

Availability

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Released20192020
Applicable Models-
  • 2020 ROG Zephyrus Duo
  • ROG Zephyrus Duo 15 (2020)
  • ROG Zephyrus Duo 15 GX550L
Generations-

Exterior

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Dimensions16.4” x 12.5” x 1.17” (410 X 320 X 29.9 mm)14.17” x 10.55” x 0.78” (360 x 268 x 20 mm)
Weight10.58 lbs (4.8 kg)5.29 lbs (2.4 kg)
Colors
Midnight Black
Brushed Black
Keyboard and Trackpad
  • The detachable keyboard stays wired or goes wireless
  • Backlit Chiclet Keyboard
  • N-key rollover
  • Per key RGB
  • Aura Sync
  • 2.5mm travel distance
  • 0.3mm keycap curve
  • Backlit chiclet keyboard
  • Per-key RGB lighting 1.4mm travel distance
  • N key rollover

Display

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Size17.3 Inches15.6 Inches
Info
  • 17.3-inch 4K UHD (3840 x 2160), IPS-level panel, 60Hz, 25ms, 100% Adobe RGB, G-SYNC®
  • 17.3-inch Full HD (1920x1080) IPS-level panel, 144Hz, 3ms, 100% sRGB, G-SYNC®
  • 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

Ports

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
  • 1 x USB 3.2 Gen2 Type-C / Thunderbolt 3
  • 1 x USB 3.2 Gen2 Type-C with DisplayPort™ 1.4
  • 3 x USB 3.2 Gen2 Type-A
  • 1 x USB 3.2 Gen1 Type A / USB charger +
  • 1 x HDMI 2.0
  • 1 x 3.5mm headphone and microphone combo jack
  • 1 x 3.5mm microphone jack
  • 1 x RJ-45 jack
  • 1 x SD card reader
  • 1 x Kensington lock
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

Internal Specs

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Processor
  1. 9th Gen Intel® Core™ i9-9980HK
    8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W
  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
Integrated Graphics
  1. 9th Gen Intel® Core™ i9-9980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  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
MemoryUp to 64GB Dual Channel 2666MHz DDR4 SDRAM
2 x SODIMM slots.
Up to 48GB DDR4 3200MHz SDRAM (16GB onboard memory)
Discrete GraphicsNVIDIA® GeForce RTX™ 2080
(Boost Clock: 1880MHz, 200W), 8GB GDDR6 VRAM.
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).
Storage3 x M.2 NVMe PCIE 3.0 x4 512GB SSD
Supports RAID-0
  • 1TB+1TB
    M.2 NVMe PCIe 3.0 x4 with RAID 0 support
  • 512GB 1TB
    M.2 NVMe PCIe 3.0 x4

Connectivity

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Wi-FiIntel ® Wi-Fi 6 with Gig+ performance (802.11ax)Intel® Wi-Fi 6 with Gig+ performance (802.11ax)
BluetoothBluetooth 5.0Bluetooth 5.0
Ethernet Gigabit LAN
Speed: 10/100/1000 Mbps.
  • Gigabit LAN
    Speed: 10/100/1000 Mbps.

Battery

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Battery Life-Up to 8.3 hours of 1080p video playback.
Power Supply2 x 280W power adapters240W power adaptor
Support Type-C PD 3.0 up to 65W.

Software

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
OS
  • Windows 10 Home
  • Windows 10 Pro
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps
Armoury Crate GameFirst VI GameVisual Sonic Studio III Aura Creator
Screen Xpert (with ROG theme) Armoury Crate Xsplit Gamecaster

Camera & Audio

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
CameraFront-facing camera
720p (1280 x 720 HD) camera.
  • No Built-in camera.
  • Support external ROG GC21 camera support 1080p@60Hz.
Audio
  • 4x4W speakers with Smart AMP technology
  • Array Microphone
  • 2 x 4W speakers with Smart AMP technology
  • ESS, High-res certified
  • Array Microphone

Misc

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
Security-
  • Kensington lock slot

Key Features

ROG Mothership GZ7002020 ROG Zephyrus Duo 15
At Glance
Released in
2019
16:9 4K
17.3”
2160p 60Hz
Weight
10.58 lb
4.80 kg
Powered By
Intel Core i9-9980HK
8C/16T, 2.40 → 5.00 GHz
Geekbench 5
1,114
Single Core
Geekbench 5
6,504
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
64GB
2666 MHz DDR4
Nvidia GeForce
RTX 2080
8GB GDDR6 up to 200W
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

Comparison Summary

ROG Mothership GZ700 vs. 2020 ROG Zephyrus Duo 15

ASUS has released the ROG Mothership GZ700, a 17.3-inch machine, in 2019. It is powered by an octa-core Intel Core i9-9980HK with a boost clock speed up to 5.00 GHz. The laptop has a dedicated GPU option up to Nvidia GeForce RTX 2080 with 8GB GDDR6 up to 200W.

On the other hand, we have the 15.6-inch ROG Zephyrus Duo 15 was introduced by ASUS about a year later in 2020. It comes with up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. It has a dedicated GPU option up to Nvidia GeForce RTX 2080 SUPER with 8GB GDDR6.

Geekbench 5 Single Core

ROG Mothership GZ7001
9th Gen Intel® Core™ i9-9980HK1,11491.09%
2020 ROG Zephyrus Duo 151
10th Gen Intel® Core™ i7-10875H1,19297.47%
2
10th Gen Intel® Core™ i9-10980HK1,223100.00%
01,223

Geekbench 5 Multi Core

ROG Mothership GZ7001
9th Gen Intel® Core™ i9-9980HK6,50492.74%
2020 ROG Zephyrus Duo 151
10th Gen Intel® Core™ i7-10875H6,87498.02%
2
10th Gen Intel® Core™ i9-10980HK7,013100.00%
07,013

The ROG Mothership GZ700 has a 17.3-inch display which is slightly larger than the 15.6-inch 2020 ROG Zephyrus Duo 15. In addition, the ROG Mothership GZ700 weighs 10.58 lbs. about 100% heavier than the 5.29 lbs. 2020 ROG Zephyrus Duo 15. Moreover, measured at 16.14” x 12.5” x 1.17”, the ROG Mothership GZ700 is much bulkier than the 2020 ROG Zephyrus Duo 15 at 14.17” x 10.55” x 0.78”.

ROG Mothership GZ7002020 ROG Zephyrus Duo 15

Moving over to upgradability, ASUS claims that the ROG Mothership GZ700 supports up to 64GB 2666 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also comes with three M.2 slots that users can easily upgrade and install additional SSDs to expand the storage on the device.

For 2020 ROG Zephyrus Duo 15, it supports up to 48GB 3200 MHz DDR4 memory that you can upgrade with memory module slots on the motherboard. It also has two M.2 slots that users can easily swap or add an extra SSD to get extra space when needed.

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