Dell Precision 7740 vs. Alienware M15 R3: Which is better?
Here is a side by side comparison between Dell Precision 7740 and Alienware M15 R3 specs including CPU, RAM, storage, battery, display, and more.
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Dell Precision 7740 Pros
Reasons that Dell Precision 7740 is better than Alienware M15 R3.
Dell Precision 7740 supports a larger memory capacity than the Alienware M15 R3. It supports up to 128GB versus 32GB of system memory on the Alienware M15 R3.
Dell Precision 7740 supports a faster memory speed than the Alienware M15 R3. It supports up to 3200MHz versus 2666MHz of system memory on the Alienware M15 R3.
Dell Precision 7740 comes with four SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Alienware M15 R3 since it has onboard memory.
Memory | Dell Precision 7740 | Alienware M15 R3 |
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Slots | x4 | Onboard |
Type | DDR4 ECC | DDR4 |
Dell Precision 7740 has a 17.3-inch screen size 10% larger than the 15.6-inch Alienware M15 R3.
Alienware M15 R3 Pros
Reasons that Alienware M15 R3 is better than Dell Precision 7740.
2020 vs. 2019
Alienware M15 R3 weighed 4.65 pounds, 32% lighter than the 6.79 pounds Dell Precision 7740.
Weight | Dell Precision 7740 | Alienware M15 R3 |
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Pound | 6.79 lbs. | 4.65 lbs. |
Kilogram | 3.08 kg | 2.11 kg |
Key Similars
Similar characteristics share between Dell Precision 7740 and Alienware M15 R3.
Both laptops has a similar multi-core CPU performance score.
Prices
Here are the latest price updates and offers for both devices.
Availability | Dell Precision 7740 | Alienware M15 R3 |
Released | 2019 | 2020 |
Release Date |
| Available on May 2020 |
Pricing | Starting at $1,409 | Starting at $1,499.99 |
Generations |
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Exterior | Dell Precision 7740 | Alienware M15 R3 |
Dimensions | 16.3 x 10.7 x 1.03 - 1.19 in (414.2 x 273.7 x 26.15 - 30.3 mm) | Base Width: 14.19 in. (360.30 mm) Depth: 10.87 in. (276.20 mm) Height: 0.72 - 0.78 in. (18.30 - 19.70 mm) Width: 14.19 in. (360.30 mm) Depth: 10.86 in. (275.90 mm) Height: 0.70 - 0.78 in. (17.90 - 19.70 mm) |
Weight |
| Starting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg) |
Colors |
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Keyboard and Trackpad |
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Display | Dell Precision 7740 | Alienware M15 R3 |
Size | 17.3 Inches | 15.6 Inches |
Info |
| Full HD with 144Hz refresh rate
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Ports | Dell Precision 7740 | Alienware M15 R3 |
Left (4)
Right (4)
Back (5)
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Internal Specs | Dell Precision 7740 | Alienware M15 R3 |
Processor |
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Integrated Graphics |
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Memory |
| 8 GB 16 GB 32 GB 2666 MHz Dual-channel DDR4 RAM.Onboard memory. |
Discrete Graphics |
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Storage |
| Available Slots
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Connectivity | Dell Precision 7740 | Alienware M15 R3 |
Wi-Fi |
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Bluetooth |
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Ethernet |
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Battery | Dell Precision 7740 | Alienware M15 R3 |
Size |
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Power Supply | 240 W power adapter Power rated at 19.5 VDC/12.31 A. |
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Software | Dell Precision 7740 | Alienware M15 R3 |
OS | Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5 Upgradable to Windows 11 | Windows 10 Home Windows 10 Pro Upgradable to Windows 11 |
Built-in Apps |
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Camera & Audio | Dell Precision 7740 | Alienware M15 R3 |
Camera |
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Audio |
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Misc | Dell Precision 7740 | Alienware M15 R3 |
Sensors |
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Security |
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Warranty | 3 Years Hardware Service with Onsite Service After Remote Diagnosis | - |
More | - | CHASIS
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Key Features | Dell Precision 7740 | Alienware M15 R3 |
At Glance |
Comparison Summary
Dell has released the Precision 7740, a 17.3-inch machine, in 2019. It is powered by up to an octa-core Intel Xeon E-2286M with a boost clock speed up to 5.00 GHz. The laptop has a dedicated GPU option up to Nvidia Quadro RTX 5000 with 16GB GDDR6.
On the other hand, we have the 15.6-inch Alienware M15 R3 was introduced by Dell about a year later in mid-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 with Max-Q.
Geekbench 5 Single Core
Geekbench 5 Multi Core
The Dell Precision 7740 has a 17.3-inch display which is slightly larger than the 15.6-inch Alienware M15 R3. In addition, the Dell Precision 7740 weighs 6.79 lbs. about 46% heavier than the 4.65 lbs. Alienware M15 R3. Moreover, measured at 16.3” x 10.7” x 1.19”, the Dell Precision 7740 is much bulkier than the Alienware M15 R3 at 14.19” x 10.87” x 0.78”.
Moving over to upgradability, Dell claims that the Dell Precision 7740 supports up to 128GB 3200 MHz DDR4 ECC memory that you can upgrade with four memory module slots on the motherboard. It also comes with four M.2 slots that users can easily upgrade and install additional SSDs to expand the storage on the device. On top of that, it also has a single SATA slot that users can use to install a 2.5-inch SATA SSD, SSHD, or a hard disk drive to add even more storage.
For Alienware M15 R3, it supports up to 32GB 2666 MHz DDR4 memory. Unlike Dell Precision 7740, it has an onboard memory module that is not upgradable by the users. Luckily, it has three M.2 slots that users can easily swap or add an extra SSD to get extra space when needed.
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