2021 ROG Zephyrus G15 vs. Alienware M15 R5: Which is better?
Here is a side by side comparison between 2021 ROG Zephyrus G15 and Alienware M15 R5 specs including CPU, RAM, storage, battery, display, and more.
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2021 ROG Zephyrus G15 Pros
Reasons that 2021 ROG Zephyrus G15 is better than Alienware M15 R5.
The 2021 ROG Zephyrus G15 supports a larger memory capacity than the Alienware M15 R5. It supports up to 48GB versus 32GB of system memory on the Alienware M15 R5.
The 2021 ROG Zephyrus G15 weighed 4.19 pounds, 22% lighter than the 5.34 pounds Alienware M15 R5.
Weight | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
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Pound | 4.19 lbs. | 5.34 lbs. |
Kilogram | 1.90 kg | 2.42 kg |
Alienware M15 R5 Pros
Reasons that Alienware M15 R5 is better than 2021 ROG Zephyrus G15.
AMD Ryzen 9-5900HX inside Alienware M15 R5 has a 6% better multi-core CPU performance score than the AMD Ryzen 9-5900HS inside 2021 ROG Zephyrus G15.
Key Similars
Similar characteristics share between 2021 ROG Zephyrus G15 and Alienware M15 R5.
Both laptops supports the same 3200MHz DDR4 RAM.
Both laptops come with available RAM slots that allow you to replace or upgrade when needed.
Memory | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
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Slots | x1 | x2 |
Type | DDR4 | DDR4 |
Prices
Here are the latest price updates and offers for both devices.
Availability | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Released | 2021 | 2021 |
Release Date | - | Announced on April 20, 2021 |
Applicable Models |
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Generations |
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Exterior | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Dimensions | 13.98” x 9.57” x 0.78” (355 x 243 x 19.9 mm) | 14.02” x 10.73” x 0.47 - 0.76” (356.20 x 272.50 x 12 - 19.25 mm) |
Weight | 4.19 lbs (1.90 kg) | 5.34 - 5.93 lbs (2.42 - 2.69 kg) |
Colors | Eclipse Gray Moonlight White | Dark Side of the Moon with High Endurance Clear Coat and Silky Smooth Finish |
Keyboard and Trackpad |
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Display | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Size | 15.6 Inches | 15.6 Inches |
Info |
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Ports | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Left (7)
Right (3)
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Internal Specs | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Processor |
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Integrated Graphics |
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Memory | 16GB 32GB 48GB Dual-Channel DDR4 3200MHz Memory.1 x 16GB Onboard Memory and 1 x SODIMM slot | 8 GB 16 GB 32 GB 3200MHz Dual-channel DDR4 SDRAM.2 x SO-DIMM slots. |
Discrete Graphics |
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Storage | 512GB 1TB 2TB M.2 NVMe PCIe 3.0.2 x M.2 SSD slots, supports RAID-0. | 2 x M.2 2230/2280 slots (Up to 2TB each) |
Connectivity | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Wi-Fi | Intel® Wi-Fi 6 with Gig+ performance (802.11ax) | Rivet Killer Wi-Fi 6 AX1650x Dual Band 2.4 GHz/5 GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 |
Ethernet | Gigabit LAN Speed: 10/100/1000 Mbps. | Gigabit Ethernet Controller Transfer rate: 10/100/1000/2500 Mbps |
Battery | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Size | 90 Wh (4-cell Lithium-ion) |
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Power Supply |
| 180W 240W power adapter. |
Software | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
OS |
| Windows 10 Home Windows 10 Pro Upgradable to Windows 11 |
Built-in Apps | Armoury Crate |
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Camera & Audio | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Camera | No Built-in camera. | Front-facing camera Alienware HD (1280x720 resolution) camera. |
Audio |
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Misc | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
Security |
| - |
In the box |
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Key Features | 2021 ROG Zephyrus G15 | Alienware M15 R5 |
At Glance |
Comparison Summary
ASUS has released the ROG Zephyrus G15, a 15.6-inch machine, in early-2021. It is powered by up to an octa-core AMD Ryzen 9-5900HS with a boost clock speed up to 4.60 GHz. The laptop has a dedicated GPU option up to Nvidia GeForce RTX 3080 with 8GB GDDR6 80W TGP.
On the other hand, we have the 15.6-inch Alienware M15 R5 was introduced by Dell around the same time in early-2021. It comes with up to an octa-core AMD Ryzen 9-5900HX with a boost clock speed up to 4.60 GHz. It has a dedicated GPU option up to Nvidia GeForce RTX 3070 with 8GB GDDR6.
Geekbench 5 Single Core
Geekbench 5 Multi Core
Both 2021 ROG Zephyrus G15 and Alienware M15 R5 have the same 15.6-inch display size. In addition, The 2021 ROG Zephyrus G15 weighs 4.19 lbs. about 27% lighter than the 5.34 lbs. Alienware M15 R5. Moreover, measured at 13.98” x 9.57” x 0.78”, the 2021 ROG Zephyrus G15 is considerably more portable than the Alienware M15 R5 at 14.02” x 10.73” x 0.76”.
Moving over to upgradability, ASUS claims that the 2021 ROG Zephyrus G15 supports up to 48GB 3200 MHz DDR4 memory that you can upgrade with one memory module slot 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 Alienware M15 R5, it supports up to 32GB 3200 MHz DDR4 memory that you can upgrade with two 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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