Lenovo Ideapad Slim 3i 81WQ00NXIN Laptop vs Lenovo Ideapad S145 81N300KTIN Laptop
Here you can compare Lenovo Ideapad Slim 3i 81WQ00NXIN Lapt… and Lenovo Ideapad S145 81N300KTIN Laptop …. Comparing Lenovo Ideapad Slim 3i 81WQ00NXIN Lapt… vs Lenovo Ideapad S145 81N300KTIN Laptop … on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Lenovo Ideapad Slim 3i 81WQ00NXIN Lapt… stands against Lenovo Ideapad S145 81N300KTIN Laptop … and which one should you buy The current lowest price found for Lenovo Ideapad Slim 3i 81WQ00NXIN Lapt… is ₹27,990 and for Lenovo Ideapad S145 81N300KTIN Laptop … is ₹28,990. The details of both of these products were last updated on Oct 15, 2026.
| Specification | Lenovo Ideapad Slim 3i 81WQ00NXIN Lapt… | Lenovo Ideapad S145 81N300KTIN Laptop … |
|---|---|---|
| Display | 15.6 inches | 15.6 inches |
| CPU | Intel Celeron N4020 | 7th Gen AMD APU A9 A9-9425 |
| GPU | Intel Integrated UHD | AMD Radeon R5 |
| RAM | 8 GB DDR4 | 4 GB DDR4 |
| HDD | 1 TB | |
| Price | ₹27,990 | ₹28,990 |
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Overview
| Specs Score | 35 / 100 | 42 / 100 Better Specs |
| CPU Clock Speed | 1.1 GHz | 3.1 GHz Faster Clock Speed |
| RAM | 8 GB More RAM | 4 GB |
| Storage | 256 GB SSD | 1 TB HDD More Storage |
| SSD | 256 GB More SSD | |
| Weight | 1.7 kg Lighter | 1.85 kg |
| Unique Features | No No | Ethernet Port Backlit Keyboard |
General
| Series | Ideapad Slim 3i | Ideapad S145 |
| Model | 81WQ00NXIN | S145-15AST |
| Utility | Performance | Performance |
| OS | Windows 11 Home (64-bit) | Windows 10 Home (64-bit) |
| Dimensions | 362.2 x 253.4 x 19.9 mm | 362.2 x 251.5 x 19.9 mm |
| Weight | 1.7 kg | 1.85 kg |
| Warranty | 1 year Warranty | 1 year Warranty |
Display
| Type | LED | LED |
| Touch | No | No |
| Size | 15.6 inches | 15.6 inches |
| Resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| PPI | ~ 100 PPI | ~ 100 PPI |
| Aspect Ratio | 16:9 Aspect Ratio | 16:9 |
| Anti Glare Screen | Yes | Yes |
| Features | HD LED Backlit TN Display (220 nits Brightness) | HD LED Backlit TN Display |
Connectivity
| Ethernet | No | Yes |
| WiFi | IEEE 802.11ac (2x2) | 1x1 AC |
| Bluetooth | v5 | v4.2 |
| USB Ports | 2 x USB 3.0, 1 x USB 2.0 | 2 x USB 3.0, 1 x USB 2.0 |
| HDMI | 1 x HDMI v1.4b Port | 1 x HDMI v1.4b Port |
| Card Reader | SD Card Reader | 4-in-1 Media Reader (MMC, SD, SDHC, SDXC) |
| Microphone In | Yes | Yes |
| Headphone Jack | Yes | Yes |
Input
| Camera | Yes | Yes, 0.3 MP |
| Keyboard | English Non , No | Non-backlit English Keyboard, No |
| Keyboard Backlit | Yes | |
| Touchpad | Multi-touch Touchpad | Multi-touch Touchpad |
| Inbuilt Microphone | Dual Array Microphone | Integrated Monaural Microphone |
| Speakers | Built-in Dual Speakers | Built-in Dual Speakers |
| Sound | Stereo Speakers with Dolby Audio | 2 x 1.5 W Stereo Speakers |
| Optical Drive | No | No |
Processor
| Processor | Intel Celeron N4020 | 7th Gen AMD APU A9 A9-9425 |
| Speed | 2 x 1.1 GHz (Turbo Speed upto 2.8 GHz) Cores | 2 x 3.1 GHz (Turbo Speed upto 3.7 GHz) Cores |
| Cores | Dual Core, 2 Threads | Dual Core |
| Cache | 4 MB | 1 MB |
| Brand | Intel | AMD |
| Series | Celeron | APU A9 |
| Model | N4020 | A9-9425 |
| Generation | 7th Gen | |
| Chipset | Intel SoC |
Graphics
| GPU | Intel Integrated UHD | AMD Radeon R5 |
| Brand | Intel | AMD |
Memory
| RAM | 8 GB DDR4 | 4 GB DDR4 |
| RAM Bus Speed | 2133 MHz | |
| Solid State Drive | 256 GB SSD | |
| Hard Disk Capacity | 1 TB | |
| Hard Disk Speed | 5400 RPM |
Battery
| Battery | 35 Wh Battery | 35 Wh, 2 Cell Battery |
| Adapter Type | 45 W AC Adapter | |
| Battery Backup | Upto 5 hours | Upto 4.5 hours |
Extra
| Included Software | Microsoft Office Home and Student 2019 | |
| Sales Package | Laptop, Power Adaptor, User Guide, Warranty Documents | Laptop, Power Adaptor, User Guide, Warranty Documents |
| Other Features | 35 WHr Li-ion Battery | 35 WHr Li-ion Battery |
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