2020 ROG Zephyrus Duo 15 vs. Razer Blade 15 Base Edition (2021): Full specs comparison

The following is a comprehensive comparison of the 2020 ROG Zephyrus Duo 15 and Razer Blade 15 Base Edition (2021) specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

2020 ROG Zephyrus Duo 15 Pros

Reasons that 2020 ROG Zephyrus Duo 15 is better than Razer Blade 15 Base Edition (2021).

Significantly faster CPU performance

Intel Core i9-10980HK inside 2020 ROG Zephyrus Duo 15 has a 29% better multi-core CPU performance score than the Intel Core i7-10750H inside Razer Blade 15 Base Edition (2021).

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
Razer Blade 15 Base Edition (2021) - Intel Core i7-10750H
5,412
Supports faster memory

The 2020 ROG Zephyrus Duo 15 supports a faster memory speed than the Razer Blade 15 Base Edition (2021). It supports up to 3200MHz versus 2933MHz of system memory on the Razer Blade 15 Base Edition (2021).

Memory type and speed
2020 ROG Zephyrus Duo 15 - DDR4
3,200 MHz
Razer Blade 15 Base Edition (2021) - DDR4
2,933 MHz

Razer Blade 15 Base Edition (2021) Pros

Reasons that Razer Blade 15 Base Edition (2021) is better than 2020 ROG Zephyrus Duo 15.

Supports larger memory

Razer Blade 15 Base Edition (2021) 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
Razer Blade 15 Base Edition (2021)
64 GB
2020 ROG Zephyrus Duo 15
48 GB
About 14% lighter

Razer Blade 15 Base Edition (2021) weighed 4.6 pounds, 14% lighter than the 5.29 pounds 2020 ROG Zephyrus Duo 15.

Weight2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Pound
5.29 lbs.
4.6 lbs.
Kilogram
2.40 kg
2.09 kg

Key Similars

Similar characteristics share between 2020 ROG Zephyrus Duo 15 and Razer Blade 15 Base Edition (2021).

Upgradable memory

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

Memory2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Slots
x1
x2
TypeDDR4DDR4

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
$2,059.99
$2,499.99 18% OFF
ASUS ROG Zephyrus Duo SE 15 Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 5800H, 16GB DDR4, 1TB PCIe SSD, Per-Key RGB Keyboard, Windows 10 Home, GX551QM-ES76
ASUS ROG Zephyrus Duo SE 15 Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 5800H, 16GB DDR4, 1TB PCIe SSD, Per-Key RGB Keyboard, Windows 10 Home, GX551QM-ES76
By ASUS
$1,099.99
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
$2,099.00
$3,499.99 40% OFF
Razer Blade 15 Base Edition (2021) Price
Razer Blade 15 Base Gaming Laptop 2021: Intel Core i7-10750H 6 Core, NVIDIA GeForce RTX 3070, 15.6" FHD 1080p 144Hz, 16GB, 512GB SSD - CNC Aluminum - Chroma RGB Lighting - Thunderbolt 3
Razer Blade 15 Base Gaming Laptop 2021: Intel Core i7-10750H 6 Core, NVIDIA GeForce RTX 3070, 15.6" FHD 1080p 144Hz, 16GB, 512GB SSD - CNC Aluminum - Chroma RGB Lighting - Thunderbolt 3
By Razer
$3,199.99
Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 4060-13th Gen Intel 14-Core i7 CPU - 15.6” QHD 240Hz - 16GB DDR5 RAM, 1TB PCIe SSD - Windows 11 - CNC Aluminum - Chroma RGB - Thunderbolt 4
Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 4060-13th Gen Intel 14-Core i7 CPU - 15.6” QHD 240Hz - 16GB DDR5 RAM, 1TB PCIe SSD - Windows 11 - CNC Aluminum - Chroma RGB - Thunderbolt 4
By Razer
$1,999.99
$2,199.99 9% OFF
Razer Blade 15 Base Gaming Laptop 2020: Intel Core i7-10750H 6-Core, NVIDIA GeForce GTX 1660 Ti, 15.6" FHD 1080p 120Hz, 16GB RAM, 256GB SSD, CNC Aluminum, Chroma RGB Lighting, Black,Windows 10 Home
Razer Blade 15 Base Gaming Laptop 2020: Intel Core i7-10750H 6-Core, NVIDIA GeForce GTX 1660 Ti, 15.6" FHD 1080p 120Hz, 16GB RAM, 256GB SSD, CNC Aluminum, Chroma RGB Lighting, Black,Windows 10 Home
By Razer
$899.00
$1,499.99 40% OFF

Availability

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Released20202021
Release Date-Announced on January 12, 2021.
Pricing-Starting at $ 1,699.99
Applicable Models
  • 2020 ROG Zephyrus Duo
  • ROG Zephyrus Duo 15 (2020)
  • ROG Zephyrus Duo 15 GX550L
-
Generations-

Exterior

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Dimensions14.17” x 10.55” x 0.78” (360 x 268 x 20 mm)13.98” x 9.25” x 0.78” (355 mm x 235 mm x 19.9 mm)
Weight5.29 lbs (2.4 kg)4.6 lbs (2.09 kg)
Colors
Brushed Black
Anodized Black
Keyboard and Trackpad
  • Backlit chiclet keyboard
  • Per-key RGB lighting 1.4mm travel distance
  • N key rollover
  • Full-size backlit keyboard.
    • Single-zone RGB powered by Razer Chroma™
    • Anti-ghosting keyboard
  • Precise Glass Touchpad
    • A large, clickable glass touchpad with Microsoft Precision Touchpad support.

Display

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Size15.6 Inches15.6 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
  • 15.6” FHD 144Hz
    1920 x 1080 16:9 144Hz IPS 100% sRGB 8ms response time 4.9 mm side bezel factory calibrated
  • 15.6” QHD 165Hz
    2560 x 1440 16:9 165Hz IPS 100% DCI-P3 3ms response time 4.9 mm side bezel factory calibrated

Ports

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
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
  • 1 x USB-C with Thunderbolt 3.
  • 1 x USB-C 3.2 Gen 2.
  • 3 x USB-A 3.2 Gen 2.
  • 1 x HDMI 2.1
    Supports up to 4K@120Hz
  • 1 x RJ-45 Gigabit Ethernet port.
  • 1 x 3.5mm combo audio jack.
  • 1 x Kensington lock slot.
  • 1 x AC power port.

Internal Specs

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
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. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
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. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
MemoryUp to 48GB DDR4 3200MHz SDRAM (16GB onboard memory)
16GB 32GB 64GB
Dual-channel 2933 Hz DDR4 SDRAM
2 x DDR4 SODIMM slots.
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).
  • NVIDIA® GeForce RTX™ 3060 (6GB GDDR6 VRAM, Optimus™ Technology)
  • NVIDIA® GeForce RTX™ 3070 (8GB GDDR6 VRAM, Optimus™ Technology)
Storage
  • 1TB+1TB
    M.2 NVMe PCIe 3.0 x4 with RAID 0 support
  • 512GB 1TB
    M.2 NVMe PCIe 3.0 x4
512GB 1TB 2TB
M.2 NVMe PCIe 3.0 x4.
2 x M.2 PCIe 3.0 x4 slots.

Connectivity

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Wi-FiIntel® Wi-Fi 6 with Gig+ performance (802.11ax)Intel® Wireless-AX201
(IEEE 802.11a/b/g/n/ac/ax)
BluetoothBluetooth 5.0Bluetooth 5.1
Ethernet
  • Gigabit LAN
    Speed: 10/100/1000 Mbps.
Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Size-65Wh lithium-ion polymer battery
Battery LifeUp to 8.3 hours of 1080p video playback.Up to 6 hours of battery life
Power Supply240W power adaptor
Support Type-C PD 3.0 up to 65W.
230W Proprietary AC Adapter

Software

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
OS
  • Windows 10 Home
  • Windows 10 Pro
Windows 10 Home 64-bit
Built-in Apps
Screen Xpert (with ROG theme) Armoury Crate Xsplit Gamecaster
Razer Synapse 3 enabled with programmable keyboard

Camera & Audio

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Camera
  • No Built-in camera.
  • Support external ROG GC21 camera support 1080p@60Hz.
Front-facing camera
Top-mount front camera, 1 Megapixel (720p HD).
Audio
  • 2 x 4W speakers with Smart AMP technology
  • ESS, High-res certified
  • Array Microphone
  • Built-in stereo speakers
  • THX® Spatial Audio
  • 3.5mm headphone/microphone combo port
  • Dolby® Atmos support, 7.1 Codec support (via HDMI)
  • Built-in array microphone

Misc

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
Security
  • Kensington lock slot
  • Intel® Platform Trust Technology (Intel® PTT) security embedded
  • Kensington™ Security Slot
In the box-
  • Razer Blade 15" Base Edition
  • Power adapter + regional power cord
  • Micro-fiber cleaning cloth
  • Important Product Information Guide

Key Features

2020 ROG Zephyrus Duo 15Razer Blade 15 Base Edition (2021)
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
16:9 QHD
15.6”
1440p 165Hz
Weight
4.6 lb
2.09 kg
Powered By
Intel Core i7-10750H
6C/12T, 2.60 → 5.00 GHz
Geekbench 5
1,134
Single Core
Geekbench 5
5,412
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1150 MHz
Upgradable up to
64GB
2933 MHz DDR4
NVIDIA GeForce
RTX 3070
8GB GDDR6

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