2021 ROG Zephyrus G15 vs. 2021 ROG Strix G15: Full specs comparison

We have comprehensively analyzed the technical specifications for the 2021 ROG Zephyrus G15 and 2021 ROG Strix G15 models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

2021 ROG Zephyrus G15 Pros

Reasons that 2021 ROG Zephyrus G15 is better than 2021 ROG Strix G15.

Supports larger memory

The 2021 ROG Zephyrus G15 supports a larger memory capacity than the 2021 ROG Strix G15. It supports up to 48GB versus 32GB of system memory on the 2021 ROG Strix G15.

Max system memory size
2021 ROG Zephyrus G15
48 GB
2021 ROG Strix G15
32 GB
About 10% lighter

The 2021 ROG Zephyrus G15 weighed 4.19 pounds, 10% lighter than the 4.63 pounds 2021 ROG Strix G15.

Weight2021 ROG Zephyrus G152021 ROG Strix G15
Pound
4.19 lbs.
4.63 lbs.
Kilogram
1.90 kg
2.10 kg
Has two more ports and slots

The 2021 ROG Zephyrus G15 has more ports and slots count than the 2021 ROG Strix G15. It has ten versus eight amount of ports and slots on the 2021 ROG Strix G15.

Ports2021 ROG Zephyrus G152021 ROG Strix G15
HDMIYesYes
headphone jackYesYes
lock slotYesNo
microSD card slotYesNo
power portYesYes
RJ-45YesYes
USB-AYes x2Yes x3
USB-CYes x2Yes
Total108
Slightly more versatile connectivity

The 2021 ROG Zephyrus G15 has better versatile I/O connectivity than the 2021 ROG Strix G15. It has seven versus six commonly used ports and slots on the 2021 ROG Strix G15.

Ports2021 ROG Zephyrus G152021 ROG Strix G15
HDMIYesYes
headphone jackYesYes
power portYesYes
RJ-45YesYes
USB-AYesYes
USB-CYesYes
microSD card slotYesNo

2021 ROG Strix G15 Pros

Reasons that 2021 ROG Strix G15 is better than 2021 ROG Zephyrus G15.

Slightly faster CPU performance

AMD Ryzen 9-5900HX inside 2021 ROG Strix G15 has a 6% better multi-core CPU performance score than the AMD Ryzen 9-5900HS inside 2021 ROG Zephyrus G15.

Geekbench 5 multi-core score
2021 ROG Strix G15 - AMD Ryzen 9-5900HX
7,663
2021 ROG Zephyrus G15 - AMD Ryzen 9-5900HS
7,162
2021 ROG Strix G15 - AMD Ryzen 7-5800H
7,098
2021 ROG Zephyrus G15 - AMD Ryzen 7-5800HS
6,454
2021 ROG Strix G15 - AMD Ryzen 7-4800H
6,440
2021 ROG Strix G15 - AMD Ryzen 5-5600H
5,476

Key Similars

Similar characteristics share between 2021 ROG Zephyrus G15 and 2021 ROG Strix G15.

Uses the same memory type and speed

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed
2021 ROG Zephyrus G15 - DDR4
3,200 MHz
2021 ROG Strix G15 - DDR4
3,200 MHz
Upgradable memory

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

Memory2021 ROG Zephyrus G152021 ROG Strix G15
Slots
x1
x2
TypeDDR4DDR4

Prices

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

2021 ROG Zephyrus G15 Price
ASUS - ROG Zephyrus 15.6" QHD Gaming Laptop - AMD Ryzen 9 - 16GB Memory - NVIDIA GeForce RTX 3070 - 1TB SSD - Eclipse Grey - Eclipse Grey
ASUS - ROG Zephyrus 15.6" QHD Gaming Laptop - AMD Ryzen 9 - 16GB Memory - NVIDIA GeForce RTX 3070 - 1TB SSD - Eclipse Grey - Eclipse Grey
By ASUS
$1,559.83
Asus ROG Zephyrus G15 Gaming Laptop | 15.6" WQHD 165Hz 100% DCI-P3 | AMD 8-Core Ryzen 9 6900HS (>i7-11370H) | 16GB DDR5 512GB+1TB SSD | GeForce RTX 3060 6GB | USB-C Backlit Win11 + HDMI Cable
Asus ROG Zephyrus G15 Gaming Laptop | 15.6" WQHD 165Hz 100% DCI-P3 | AMD 8-Core Ryzen 9 6900HS (>i7-11370H) | 16GB DDR5 512GB+1TB SSD | GeForce RTX 3060 6GB | USB-C Backlit Win11 + HDMI Cable
By Asus
$1,249.00
Asus ROG Zephyrus G15 Gaming Laptop 15.6" WQHD IPS 165Hz (100% DCI-P3) AMD Octa-Core Ryzen 9 6900HS (>i7-11370H) 16GB RAM 512GB SSD GeForce RTX 3060 6GB Graphic USB-C Backlit Win11 Black + HDMI Cable
Asus ROG Zephyrus G15 Gaming Laptop 15.6" WQHD IPS 165Hz (100% DCI-P3) AMD Octa-Core Ryzen 9 6900HS (>i7-11370H) 16GB RAM 512GB SSD GeForce RTX 3060 6GB Graphic USB-C Backlit Win11 Black + HDMI Cable
By Asus
$1,179.00
2021 ROG Strix G15 Price
ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3050 Ti, AMD Ryzen R7-5800H, 16GB DDR4, 1TB PCIe SSD, RGB Keyboard, Windows 10, Black, G513QE-ES76
ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3050 Ti, AMD Ryzen R7-5800H, 16GB DDR4, 1TB PCIe SSD, RGB Keyboard, Windows 10, Black, G513QE-ES76
By ASUS
$1,099.00
ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3070, AMD Ryzen R9-5900HX, 16GB DDR4, 1TB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513QR-ES96
ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3070, AMD Ryzen R9-5900HX, 16GB DDR4, 1TB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513QR-ES96
By ASUS
$1,989.95
ASUS ROG Strix G15 (2022) Gaming Laptop, 15.6” 300Hz IPS FHD Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 6800H, 16GB DDR5, 1TB SSD, RGB Keyboard, Windows 11 Home, G513RM-IS74
ASUS ROG Strix G15 (2022) Gaming Laptop, 15.6” 300Hz IPS FHD Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 6800H, 16GB DDR5, 1TB SSD, RGB Keyboard, Windows 11 Home, G513RM-IS74
By ASUS
$979.99
$1,199.99 18% OFF

Availability

2021 ROG Zephyrus G152021 ROG Strix G15
Released20212021
Release Date-Announced on January 13, 2021 (CES 2021)
Applicable Models
  • 2021 ROG Zephyrus G15
  • ROG Zephyrus G15 (2021)
  • ROG Zephyrus G15 GA503
  • ROG Zephyrus G15 GA503QC
  • ROG Zephyrus G15 GA503QE
  • ROG Zephyrus G15 GA503QR
  • 2021 ROG Strix G15
  • ROG Strix G15 (2021)
  • 2021 ROG Strix G15 G513
Generations

Exterior

2021 ROG Zephyrus G152021 ROG Strix G15
Dimensions13.98” x 9.57” x 0.78” (355 x 243 x 19.9 mm)13.94 x 10.20 x 0.89 - 1.07” (354 x 259 x 22.6 ~ 27.2 mm)
Weight4.19 lbs (1.90 kg)4.63 lbs (2.10 kg)
Colors
Eclipse Gray Moonlight White
Original Black Eclipse Gray Electro Punk
Keyboard and Trackpad
  • Full-size backlit keyboard
    1.7 mm key travel 20M key press lifetime N-Key Rollover
  • Hotkeys 
    Volume down volume up mute Armoury Crate
  • Touchpad
    20% larger 40% faster lower latency
  • Full-size backlit keyboard
    ROG Overstroke Calibrated Keystrokes N-Key Rollover Aura Sync Bigger arrow keys Gaps between function keys
  • Hotkeys 
    Volume down volume up mute HyperFan Armoury Crate
  • RGB Lighting Options
    Per-Key RGB lighting 4 x Zone RGB lighting
  • Touchpad with integrated Numpad
    85% larger glass surface matte finish illuminated Numpad

Display

2021 ROG Zephyrus G152021 ROG Strix G15
Size15.6 Inches15.6 Inches
Info
  • 15.6” WQHD 165Hz
    16:9 2560 x 1440 165Hz 3ms 100% DCI-P3 Non-touch IPS Level Anti-Glare FreeSync Pantone Validated
  • 15.6” FHD 144Hz
    16:9 1920 x 1080 360Hz 3ms 62.5% sRGB 47.34% Adobe RGB Non-touch IPS Level Anti-Glare FreeSync
  • 15.6” FHD 300Hz
    16:9 1920 x 1080 300Hz 3ms 100% sRGB 75% Adobe RGB Non-touch IPS Level Anti-Glare Adaptive-Sync
  • 15.6” WQHD 165Hz 
    16:9 3840 x 2160 165Hz 3ms 100% DCI-P3 Non-touch IPS Level Anti-Glare Adaptive-Sync

Ports

2021 ROG Zephyrus G152021 ROG Strix G15
2021 ROG Zephyrus G15 Ports
Image Source: ASUS
Left (7)
  • 2 x USB-C
    USB 3.2 Gen 2 (10 Gbps), DisplayPort 1.4, Power Delivery 3.0
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x HDMI
    v2.0b
  • 1 x RJ-45
    1 Gbps
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x power port
Right (3)
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x microSD card slot
    up to 312 MB/s transfer speed
  • 1 x lock slot
2021 ROG Strix G15 Ports
Image Source: ASUS
Left (3)
  • 2 x USB-A
    USB 3.2 Gen 1 (5 Gbps)
  • 1 x headphone jack
    Headphone/Microphone
Back (5)
  • 1 x USB-A
    USB 3.2 Gen 1 (5 Gbps)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps), DisplayPort, Power Delivery
  • 1 x HDMI
    v2.0b
  • 1 x RJ-45
    1 Gbps
  • 1 x power port

Internal Specs

2021 ROG Zephyrus G152021 ROG Strix G15
Processor
  1. AMD Ryzen™ 7 5800HS
    8 cores, 16 threads, 2.80 → 4.40 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
  2. AMD Ryzen™ 9 5900HS
    8 cores, 16 threads, 3.00 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
  1. AMD Ryzen™ 7 4800H
    8 cores, 16 threads, 2.90 → 4.20 GHz, 4MB L2 Cache, 8MB L3 Cache, 45W
  2. AMD Ryzen™ 5 5600H
    6 cores, 12 threads, 3.30 → 4.20 GHz, 3MB L2 Cache, 16MB L3 Cache, 45W
  3. AMD Ryzen™ 7 5800H
    8 cores, 16 threads, 3.20 → 4.40 GHz, 4MB L2 Cache, 16MB L3 Cache, 45W
  4. AMD Ryzen™ 9 5900HX
    8 cores, 16 threads, 3.30 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 45W
Integrated Graphics
  1. AMD Ryzen™ 7 5800HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 2000 MHz
  2. AMD Ryzen™ 9 5900HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 2100 MHz
  1. AMD Ryzen™ 7 4800H
    AMD Radeon™ Graphics
    7 Graphics Cores, 1600 MHz
  2. AMD Ryzen™ 5 5600H
    AMD Radeon™ Graphics
    7 Graphics Cores, 1800 MHz
  3. AMD Ryzen™ 7 5800H
    AMD Radeon™ Graphics
    8 Graphics Cores, 2000 MHz
  4. AMD Ryzen™ 9 5900HX
    AMD Radeon™ Graphics
    8 Graphics Cores, 2100 MHz
Memory
16GB 32GB 48GB
Dual-Channel DDR4 3200MHz Memory.
1 x 16GB Onboard Memory and 1 x SODIMM slot
16GB 32GB
Dual-Channel DDR4 3200MHz SDRAM.
2 x SODIMM slots
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 VRAM, with ROG Boost up to 1525MHz at 80W (95W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM, with ROG Boost up to 1390MHz at 80W (100W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 VRAM, with ROG Boost up to 1345MHz at 80W (100W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 VRAM, with ROG Boost up to 1802MHz at 115W (130W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM, with ROG Boost up to 1660MHz at 115W (130W with Dynamic Boost).
Storage
512GB 1TB 2TB
M.2 NVMe PCIe 3.0.
2 x M.2 SSD slots, supports RAID-0.
512GB 1TB 2TB
M.2 NVMe PCIe 3.0.
2 x M.2 SSD slots, supports RAID-0.

Connectivity

2021 ROG Zephyrus G152021 ROG Strix G15
Wi-FiIntel® Wi-Fi 6 with Gig+ performance (802.11ax)Intel® Wi-Fi 6 with Gig+ performance (802.11ax) 2x2 multi-antenna
BluetoothBluetooth 5.0Bluetooth 5.1
Ethernet Gigabit LAN
Speed: 10/100/1000 Mbps.
Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

2021 ROG Zephyrus G152021 ROG Strix G15
Size90 Wh (4-cell Lithium-ion)
56Wh 90Wh
4-cell lithium-ion battery.
Battery Life-Up to 12 hours of video playback.
Power Supply
  • 200W
      ø6.0 mm power adapter.
  • 100W
      USB-C power adapter.
  • 240W
      ø6.0 mm power adapter.
  • 100W
      USB-C power adapter.
  • Supports fast charging technology with up to 50% in 30 minutes.

Software

2021 ROG Zephyrus G152021 ROG Strix G15
OS
  • Windows 10 Home
  • Windows 10 Pro
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps
Armoury Crate
Armoury Crate GameVisual Aura Creator Scenario Profiles

Camera & Audio

2021 ROG Zephyrus G152021 ROG Strix G15
CameraNo Built-in camera.No Built-in camera.
Audio
  • 4 x 2W woofer with Smart Amp Technology.
  • 2 x 2W tweeter.
  • Supports Dolby Atmos.
  • 3D array microphone.
  • Two-Way AI Noise Cancelation
  • Speakers
    • 2 x 4W speaker with Smart Amp Technology.
    • 2.8x Louder Volume.
    • 3x More Bass.
    • 6.5dBa Dynamic Range.
  • Microphones
    • Built-in array microphone.
    • Two-Way AI Noise Cancelation.

Misc

2021 ROG Zephyrus G152021 ROG Strix G15
Security
  • One-Touch Login
    Fingerprint on the power button.
  • Kensington Lock Slot
-
In the box
  • FHD 1080P@60FPS external camera
    optional.
  • ROG Backpack
    optional.
  • ROG Delta headset
    optional.
  • ROG Chakram Core mouse P511
    optional.
  • ROG Impact Gaming Mouse
    optional.
  • TYPE-C, 100W AC Adapter
    Output: 20V DC, 5A, 100W, Input: 100~240V AC 50/60Hz universal (optional)
-

Key Features

2021 ROG Zephyrus G152021 ROG Strix G15
At Glance
Released in Early
2021
16:9
15.6”
1440p 165Hz
Weight
4.19 lb
1.90 kg
Up to
AMD Ryzen 9-5900HS
8C/16T, 3.00 → 4.60 GHz
Geekbench 5
1,356
Single Core
Geekbench 5
7,162
Multi-Core
With integrated
AMD Radeon™ Graphics
8 Graphics Cores, 2100 MHz
Upgradable up to
48GB
3200 MHz DDR4
2021 ROG Zephyrus G15 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6 80W TGP
Released in
2021
16:9
15.6”
2160p 165Hz
Weight
4.63 lb
2.10 kg
Up to
AMD Ryzen 9-5900HX
8C/16T, 3.30 → 4.60 GHz
Geekbench 5
1,416
Single Core
Geekbench 5
7,663
Multi-Core
With integrated
AMD Radeon™ Graphics
8 Graphics Cores, 2100 MHz
Upgradable up to
32GB
3200 MHz DDR4
2021 ROG Strix G15 Ports
Nvidia GeForce
RTX 3070
8GB GDDR6

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