Lenovo IdeaPad Slim 3 vs Dell 15
The Dell 15 has the edge: it has more storage, has a smoother screen and can be upgraded. The Lenovo IdeaPad Slim 3 still has a touchscreen, so it's worth a look if that matters more to you.
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Key differences
- Storage Dell 15 wins
The Dell 15 has twice the storage: 1 TB against 512 GB.
- Smoothness Dell 15 wins
The Dell 15's 120 Hz screen is smoother than the Lenovo IdeaPad Slim 3's 60 Hz one.
- Touchscreen Lenovo IdeaPad Slim 3 wins
Only the Lenovo IdeaPad Slim 3 has a touchscreen.
- Upgrades Dell 15 wins
The Dell 15's memory can be upgraded later; the Lenovo IdeaPad Slim 3's is fixed.
Which one should you choose?
Choose the Lenovo IdeaPad Slim 3 if…
- You like to tap, scroll and sign things on screen: it has a touchscreen.
- You're often away from a plug: it has the bigger battery (47 Wh).
- You want fewer chargers: it charges over USB-C, like most phones.
Choose the Dell 15 if…
- You store lots of photos, videos or games: it has 1 TB of storage.
- You like smooth scrolling: its 120 Hz screen feels slicker.
- You might want more memory later: you can add it yourself.
Full spec comparison
Add more laptopsThe Lenovo IdeaPad Slim 3 leads on battery and weight, while the Dell 15 leads on performance. Highlighted values mark the better spec in each row, and you can hide the rows where they match.
Performance
The Dell 15 is ahead on performance.
It has more storage and can be upgraded, and the Lenovo IdeaPad Slim 3 doesn't beat it on anything here.
| Spec | Lenovo IdeaPad Slim 3 | Dell 15 |
|---|---|---|
| Processor | Ryzen 7 7730U | AMD Ryzen 7 7730U |
| Graphics | AMD Radeon Graphics | AMD Radeon Graphics |
| Memory (RAM) | 16 GB | 16 GB |
| Memory type | DDR4-3200 | DDR4-3200 |
| Maximum memory | 16 GB | 16 GB |
| Memory upgrades | Soldered (not upgradeable) | Upgradeable (slots) |
| Storage | 512 GB | 1 TB |
| Storage type | SSD | SSD |
| Storage interface | — | PCIe NVMe M.2 2230 |
| Storage slots | 1 | 1 |
Screen
Each laptop has its strengths on the screen.
The Lenovo IdeaPad Slim 3 has a touchscreen, while the Dell 15 has a smoother screen.
| Spec | Lenovo IdeaPad Slim 3 | Dell 15 |
|---|---|---|
| Screen size | 15.6" | 15.6" |
| Resolution | Full HD (1920 x 1080) | Full HD (1920 x 1080) |
| Aspect ratio | 16:9 | 16:9 |
| Panel | IPS | IPS |
| Refresh rate | 60 Hz | 120 Hz |
| Brightness | — | 250 nits |
| Colour range | 45% NTSC | 45% NTSC |
| HDR | — | None |
| Finish | Matte | Matte |
| Touchscreen | Yes | No |
Battery and size
The Lenovo IdeaPad Slim 3 is ahead on battery and weight.
It has a bigger battery and charges over USB-C, and the Dell 15 doesn't beat it on anything here.
| Spec | Lenovo IdeaPad Slim 3 | Dell 15 |
|---|---|---|
| Battery life (maker claim) | Up to 12 hours | — |
| Battery capacity | 47 Wh | 41 Wh |
| Charger | — | 65 W |
| Charges via | round-tip barrel and USB-C | barrel |
| Fast charging | 2 hours of runtime from a 15-minute charge | ExpressCharge supported; time not stated for exact SKU |
| Weight | 1.62 kg | 1.63 kg |
| Dimensions | 359.3 x 235 x 17.9 mm | 358.5 x 235.6 x 17-19 mm |
| Materials | PC-ABS lid and base | plastic |
| Durability | MIL-STD-810H | — |
| Colour | Gray | Carbon Black |
| Colours available | Abyss blue, Arctic grey, Frost blue | Carbon Black |
Ports and wireless
Both have much the same ports and wireless.
You can plug in the same things on either.
| Spec | Lenovo IdeaPad Slim 3 | Dell 15 |
|---|---|---|
| Ports | 2x USB-A 3.2 Gen 1, 1x USB-C 3.2 Gen 1 (charging USB PD 45-65W, DisplayPort 1.2), 1x HDMI 1.4, 1x 3.5 mm headphone/microphone combo, 1x SD card reader, 1x round-tip power connector | 1x USB-C 3.2 Gen 1 (data only), 1x USB-A 3.2 Gen 1, 1x USB-A 2.0, 1x HDMI 1.4, 1x 3.5 mm audio, 1x microSD, 1x power jack |
| Thunderbolt / USB4 | None | None |
| External displays (max) | 2 | — |
| Card reader | SD | microSD |
| Ethernet | None | None |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Wi-Fi card | — | Realtek RTL8852BE |
| Mobile data | None | None |
Features
Both have much the same extras.
From the keyboard to the webcam and login, there is little between them.
| Spec | Lenovo IdeaPad Slim 3 | Dell 15 |
|---|---|---|
| Webcam | 720p | 720p HD |
| Webcam privacy | physical shutter | — |
| Keyboard | 6-row keyboard, multimedia Fn keys, numeric keypad | numeric keypad; QWERTZ layout in Icecat exact-SKU feed |
| Number pad | Yes | Yes |
| Touchpad | Mylar surface Precision TouchPad, 69 x 104 mm | touchpad |
| Speakers | 2x 1.5 W user-facing stereo speakers, Dolby Audio | 2x 2.5 W |
| Microphones | dual-microphone array | single microphone |
| Pen | No | No |
| Security | Firmware TPM 2.0, Administrator password, Power-on password, Hard disk password | TPM 2.0 |
Software and model
Both run Windows.
So the same apps work on both, and they get the same kind of updates.
| Spec | Lenovo IdeaPad Slim 3 | Dell 15 |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 Home |
| Model number | — | YNF2K |
| Released | 2023 | — |