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