Dell XPS 13 7390 vs. Lenovo Legion Slim 7i (15”, Intel, 2020): Which is better?
Here is a side by side comparison between Dell XPS 13 7390 and Lenovo Legion Slim 7i (15”, Intel, 2020) specs including CPU, RAM, storage, battery, display, and more.
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Dell XPS 13 7390 Pros
Reasons that Dell XPS 13 7390 is better than Lenovo Legion Slim 7i (15”, Intel, 2020).
Dell XPS 13 7390 weighed 2.7 pounds, 35% lighter than the 4.1 pounds Lenovo Legion Slim 7i (15”, Intel, 2020).
Weight | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
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Pound | 2.7 lbs. | 4.1 lbs. |
Kilogram | 1.22 kg | 1.86 kg |
Lenovo Legion Slim 7i (15”, Intel, 2020) Pros
Reasons that Lenovo Legion Slim 7i (15”, Intel, 2020) is better than Dell XPS 13 7390.
2020 vs. 2019
Intel Core i9-10980HK inside Lenovo Legion Slim 7i (15”, Intel, 2020) has a 46% better multi-core CPU performance score than the Intel Core i7-10710U inside Dell XPS 13 7390.
Lenovo Legion Slim 7i (15”, Intel, 2020) supports a larger memory capacity than the Dell XPS 13 7390. It supports up to 32GB versus 16GB of system memory on the Dell XPS 13 7390.
Lenovo Legion Slim 7i (15”, Intel, 2020) supports a faster memory speed than the Dell XPS 13 7390. It supports up to 3200MHz versus 2133MHz of system memory on the Dell XPS 13 7390.
Lenovo Legion Slim 7i (15”, Intel, 2020) comes with one SODIMM slot that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Dell XPS 13 7390 since it has onboard memory.
Memory | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
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Slots | Onboard | x0,1 |
Type | LPDDR3 | DDR4 |
Configurable up to NVIDIA GeForce RTX 2060 6GB GDDR6 with Max-Q vs. integrated
Lenovo Legion Slim 7i (15”, Intel, 2020) has a 15.6-inch screen size 17% larger than the 13.3-inch Dell XPS 13 7390.
Prices
Here are the latest price updates and offers for both devices.
Availability | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Released | 2019 | 2020 |
Release Date |
| Announced on December 04, 2020 |
Generations | - |
Exterior | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Dimensions | 11.88 x 7.84 x 0.31 - 0.46 in (301.76 x 199.24 x 7.80 - 11.63mm) Width: 11.88” (301.76 mm) Depth: 7.84” (199.24 mm) Height: 0.31 - 0.46” (7.80 - 11.63mm) | 14.01 x 9.84 x 0.6 - 0.7 inches (356 x 250 x 15.9 - 17.9 mm) |
Weight | 2.7 lbs - 2.84 lbs (1.23 kg - 1.29 kg) | Starting at 4.1 lbs (1.86 kg) |
Colors |
| Slate grey |
Keyboard and Trackpad |
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Display | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Size | 13.3 Inches | 15.6 Inches |
Info |
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Ports | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Left (3)
Right (3)
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Internal Specs | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Processor |
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Integrated Graphics |
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Memory |
| 8GB 16GB 32GB 2933 MHz or 3200 MHz DDR4 Memory
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Discrete Graphics | - |
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Storage |
| 512 GB 1TB 2TB M.2 2280 SSD
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Connectivity | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Wi-Fi |
| Killer Wi-Fi 6 AX1650, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1, M.2 Card |
Bluetooth |
| Bluetooth 5.1 |
Battery | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Size |
| 71 WHr (Integrated 3-Cell Li-Polymer battery) Supports Rapid Charge Boost (get 2 hours of runtime with a 15-minute charge) |
Battery Life |
| Up to 5.8 hours Tested with MobileMark® 2018 |
Power Supply | 45 W USB (Type-C) power adapter 20 VDC/2.25A, 15 VDC/3A, 9 VDC/3A, 5VDC/3A | 170W 230W Slim tip AC adapter. |
Software | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
OS | Windows 10 Home Windows 10 Pro Ubuntu 18.04 Upgradable to Windows 11 |
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Built-in Apps |
| Lenovo Vantage Dolby Atmos® Speaker System Dolby Vision® McAfee® Antivirus |
Camera & Audio | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Camera |
| Top-placed Built-in HD Webcam (720p) with Privacy Shutter |
Audio |
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Misc | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
Sensors |
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Security |
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In the box | - |
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Warranty | - | 1-year depot service |
Key Features | Dell XPS 13 7390 | Lenovo Legion Slim 7i (15”, Intel, 2020) |
At Glance |
Comparison Summary
Dell has released the XPS 13 7390, a 13.3-inch machine, in mid-2019. It is powered by up to a hexa-core Intel Core i7-10710U with a boost clock speed up to 4.70 GHz. The laptop has an integrated graphics option up to Intel® UHD Graphics (24 Execution Units, 300 → 1150 MHz).
On the other hand, we have the 15.6-inch Legion Slim 7i (15”, Intel, 2020) was introduced by Lenovo about a year later in 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 2060 with 6GB GDDR6 with Max-Q.
Geekbench 5 Single Core
Geekbench 5 Multi Core
The Dell XPS 13 7390 has a 13.3-inch display which is considerably smaller than the 15.6-inch Lenovo Legion Slim 7i (15”, Intel, 2020). In addition, The Dell XPS 13 7390 weighs 2.7 lbs. about 51% lighter than the 4.1 lbs. Lenovo Legion Slim 7i (15”, Intel, 2020). Moreover, measured at 11.88” x 7.84” x 0.46”, the Dell XPS 13 7390 is much more portable than the Lenovo Legion Slim 7i (15”, Intel, 2020) at 14.01” x 9.84” x 0.7”.
Moving over to upgradability, Dell claims that the Dell XPS 13 7390 supports up to 16GB 2133 MHz LPDDR3 memory. However, it has an onboard memory module that is not upgradable by the users. Fortunately, it comes with a single removable M.2 SSD slot that users can replace and upgrade in the future.
For Lenovo Legion Slim 7i (15”, Intel, 2020), it supports up to 32GB 3200 MHz DDR4 memory that you can upgrade with 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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