Lenovo IdeaPad Slim 3 82RJ0040IN Laptop (12th Gen Core i3/ 8GB/ 512GB SSD/ Win11)
Lenovo IdeaPad Slim 3 82RJ0040IN Laptop (12th Gen Core i3/ 8GB/ 512GB SSD/ Win11) price in India starts from ₹35,499. It is available at lowest price on Flipkart in India as on Nov 22, 2025. Take a look at Lenovo IdeaPad Slim 3 82RJ0040IN Laptop (12th Gen Core i3/ 8GB/ 512GB SSD/ Win11) detailed specifications and features.
| Specification | Value |
|---|---|
| Display | 14 inches |
| CPU | 12th Gen Intel Core i3 1215U |
| GPU | Intel UHD Graphics |
| RAM | 8 GB DDR4 |
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Features
- 12th Gen Intel Core i3 1215U
- Hexa Core (2P + 4E), 8 Threads
- 8 GB DDR4 RAM
- 512 GB SSD
- Intel UHD Graphics
- 14 inches, 1920 x 1080 pixels
- Windows 11 OS
- 1 Year Warranty
Lenovo IdeaPad Slim 3 82RJ0040IN Laptop (12th Gen Core i3/ 8GB… Specs
- OS: Windows 11
- Utility: Performance
- Thickness: 19.9 mmAverage
- 1.43 kgLight
- 1 Year Warranty
- 14 inchesSmall
- 1920 x 1080 pixelsAverage
- ~ 157 PPIHigh
- Anti Glare
- 16:9 Aspect Ratio
- 12th Gen Intel Core i3 1215U
- 2 x 1.2 GHz (Turbo Speed upto 4.4 GHz) Performance Cores
4 x 900 MHz (Turbo Speed upto 3.3 GHz) Efficient Cores - Hexa Core (2P + 4E), 8 Threads
- 10 MB Cache
- Intel UHD Graphics Graphics
- 8 GB DDR4 RAMAverage
- 512 GB SSD
- HDMI, Multi Card Reader
- WiFi, Bluetooth v5.1
- 1 x USB 2.0, 1 x USB 3.0, 1 x USB Type-C
- Backlit Keyboard, Inbuilt Microphone
- 45 Wh, 3 Cell BatteryGood
Lenovo IdeaPad Slim 3 82RJ0040IN Laptop (12th Gen Core i3/ 8GB… Prices
Lenovo IdeaPad Slim 3 82RJ0040IN Laptop (12th Gen Core i3/ 8GB… Price History
User Reviews
Horrible
I m writing this review after my replacement request cancelled for the issue of speaker.. company is saying this model has too much low sound as per design of system. So if any one who does not need a speaker in his system may go through purchase of this system. For others who need a speaker in his system have to search for his choice.
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I got it with 33k so in this range it is good and over all performance is good
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| Series | Ideapad Slim 3 |
| Model | 82RJ0040IN |
| Utility | Performance |
| Device Type | Ultrabook |
| OS | Windows 11 Home (64-bit) |
| Dimensions | 324.2 x 215.7 x 19.9 mm |
| Weight | 1.43 kg |
| Warranty | 1 year Warranty |
| Type | IPS |
| Touch | No |
| Size | 14 inches |
| Resolution | 1920 x 1080 pixels |
| PPI | ~ 157 PPI |
| Aspect Ratio | 16:9 |
| Anti Glare Screen | Yes |
| Features | 300nits |
| Ethernet | No |
| WiFi | Wi-Fi 6 11AX (2x2) |
| Bluetooth | v5.1 |
| USB Ports | 1 x USB Type-C, 1 x USB 3.0, 1 x USB 2.0 |
| HDMI | 1 x HDMI v1.4b Port |
| Card Reader | 4-in-1 Card Reader |
| Microphone In | Yes |
| Headphone Jack | Yes |
| Camera | Yes |
| Keyboard | Standard English , Yes |
| Keyboard Backlit | Yes |
| Touchpad | Yes |
| Inbuilt Microphone | Dual Array Microphone |
| Speakers | Built-In Dual Stereo Speakers |
| Sound | 2 x 1.5W Dual Stereo Speakers with Dolby Audio |
| Optical Drive | No |
| Processor | 12th Gen Intel Core i3 1215U |
| Speed | 2 x 1.2 GHz (Turbo Speed upto 4.4 GHz) Performance Cores 4 x 900 MHz (Turbo Speed upto 3.3 GHz) Efficient Cores |
| Cores | Hexa Core (2P + 4E), 8 Threads |
| Cache | 10 MB |
| Brand | Intel |
| Series | Core i3 |
| Model | 1215U |
| Generation | 12th Gen |
| Process Node | 10 nm |
| GPU | Intel UHD Graphics |
| Brand | Intel |
| RAM | 8 GB DDR4 |
| RAM Bus Speed | 3200 MHz |
| Solid State Drive | 512 GB SSD |
| SSD Interface | NVMe PCIe Gen3 |
| Battery | 45 Wh, 3 Cell Battery |
| Adapter Type | 65W Round Tip |
| Battery Details | 45Wh |
| Included Software | Office Home and Student 2021 |
| Sales Package | Laptop, Power Adaptor, User Guide, Warranty Documents |
Worst experience ever!
I recently purchased the Lenovo IdeaPad 3 Core i3 12th Gen with high hopes of having a reliable, on-the-go computing companion. Unfortunately, my experience with this laptop has been nothing short of disappointing, primarily due to its abysmal battery backup that barely lasts 2-3 hours. From the moment I first powered up the laptop, I noticed that the battery indicator started plummeting at an alarming rate. Even with minimal usage, such as web browsing and word processing, the battery life seemed to drain away rapidly, forcing me to constantly keep it tethered to a power outlet. This completely defeats the purpose of having a laptop, as it hampers portability and renders it virtually useless in scenarios where a power source isn't readily available. The lackluster battery performance severely impacts productivity, especially during travels or situations when I need to work remotely. Instead of being a reliable workhorse, the Lenovo IdeaPad 3 Core i3 12th Gen turns into a burden, always needing to be close to an outlet or carry around a bulky charger. Moreover, the laptop's performance fails to make up for its dismal battery life. The processing speed, though average, does not justify the sacrifice in portability. Furthermore, the display quality and sound output are also lackluster, making multimedia experiences underwhelming. In addition to the battery woes, the build quality is subpar, with noticeable flex in the keyboard and a flimsy overall construction that leaves me questioning its durability. Despite its sleek design and a few positive attributes, the short battery life and overall unsatisfactory performance make the Lenovo IdeaPad 3 Core i3 12th Gen an unfortunate purchase. I regret investing in this laptop, and I would strongly advise potential buyers to steer clear of it. In conclusion, if you're in the market for a laptop with reliable battery life and optimal performance, the Lenovo IdeaPad 3 Core i3 12th Gen is not the right choice. Its 2-3 hour battery backup is far from satisfactory and significantly hampers its usability, making it a regrettable purchase in my book.
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