Lenovo IdeaPad Slim 3 15IAH8 83ER00KSIN Laptop vs Lenovo ThinkBook 16 21MWA0AUIN Laptop
Here you can compare Lenovo IdeaPad Slim 3 15IAH8 83ER00KSI… and Lenovo ThinkBook 16 21MWA0AUIN Laptop …. Comparing Lenovo IdeaPad Slim 3 15IAH8 83ER00KSI… vs Lenovo ThinkBook 16 21MWA0AUIN Laptop … on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Lenovo IdeaPad Slim 3 15IAH8 83ER00KSI… stands against Lenovo ThinkBook 16 21MWA0AUIN Laptop … and which one should you buy The current lowest price found for Lenovo IdeaPad Slim 3 15IAH8 83ER00KSI… is ₹45,490 and for Lenovo ThinkBook 16 21MWA0AUIN Laptop … is ₹48,990. The details of both of these products were last updated on Nov 19, 2025.
| Specification | Lenovo IdeaPad Slim 3 15IAH8 83ER00KSI… | Lenovo ThinkBook 16 21MWA0AUIN Laptop … |
|---|---|---|
| Display | 15.6 inches | 16 inches |
| CPU | 12th Gen Intel Core i5 12450H | 7th Gen AMD Ryzen 7 7735HS |
| GPU | Intel Integrated Iris Xe | AMD Radeon Graphics |
| RAM | 16 GB DDR4 | 16 GB DDR5 |
| HDD | ||
| Price | ₹45,490 | ₹48,990 |
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Overview
| Specs Score | 60 / 100 | 66 / 100 Better Specs |
| CPU Clock Speed | 2 GHz | 3.2 GHz Faster Clock Speed |
| Display Resolution | 1920 x 1080 pixels | 1920 x 1200 pixels Better Resolution |
| Thickness | 19.9 mm | 17.5 mm Slimmer |
| USB Ports | 2 x USB 3.0, 1 x USB Type-C More USB Ports | 2 x USB Type-C |
| Unique Features | No No | Ethernet Port Fingerprint Sensor |
General
| Series | Ideapad Slim 3 | ThinkBook 16 |
| Model | 83ER00KSIN | 21MWA0AUIN |
| Utility | Performance | Everyday Use |
| Device Type | Ultrabook | Ultrabook |
| OS | Windows 11 Home (64-bit) | Windows 11 Home (64-bit) |
| Dimensions | 359.3 x 235 x 19.9 mm | 356 x 253.5 x 17.5 mm |
| Weight | 1.63 kg | 1.7 kg |
| Warranty | 1 year Warranty | 1 year Warranty |
Display
| Type | IPS | IPS |
| Touch | No | No |
| Size | 15.6 inches | 16 inches |
| Resolution | 1920 x 1080 pixels | 1920 x 1200 pixels |
| PPI | ~ 157 PPI | ~ 142 PPI |
| Aspect Ratio | 16:9 | 16:10 |
| Anti Glare Screen | Yes | Yes |
| Features | 300nits | 300 nits, 45% NTSC |
Connectivity
| Ethernet | No | 100/1000M (RJ-45) |
| WiFi | Wi-Fi 6, 802.11ax 2x2 | Wi-Fi 6E |
| Bluetooth | v5.2 | Yes |
| USB Ports | 1 x USB Type-C, 2 x USB 3.0 | 2 x USB Type-C, 2 x USB Type-A |
| USB Port Details | 2x USB 3.2 Gen 1, 1x USB-C 3.2 Gen 1 (support data transfer, Power Delivery and DisplayPort 1.2) | 1 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-A (Always ON), 1 x USB 3.2 Gen 2 Type-C (USB PD 3.0 and DisplayPort 1.4), 1 x USB 4 Type-C (USB PD 3.0 and DisplayPort 1.4) |
| HDMI | 1 x HDMI 1.4 Port | 1 x HDMI v2.1 Port |
| Card Reader | 4-in-1 Card Reader | |
| Micro SD Card Reader | Yes | |
| Fingerprint Sensor | Yes | |
| Microphone In | Yes | |
| Headphone Jack | Yes | |
| Other Ports | 1 x Headphone / microphone Combo Jack |
Input
| Camera | Yes | 720p HD Camera |
| Keyboard | Standard English , Yes | |
| Keyboard Backlit | Yes | Yes |
| Touchpad | Yes | Yes |
| Inbuilt Microphone | Dual Array Microphone | Dual Array Digital Microphones |
| Speakers | Built-In Dual Stereo Speakers | 2 x 2W |
| Sound | 2 x 1.5W Dual Stereo Speakers with Dolby Audio | |
| Optical Drive | No | No |
Processor
| Processor | 12th Gen Intel Core i5 12450H | 7th Gen AMD Ryzen 7 7735HS |
| Speed | 4 x 2 GHz (Turbo Speed upto 4.4 GHz) Performance Cores 4 x 1.5 GHz (Turbo Speed upto 3.3 GHz) Efficient Cores | 8 x 3.2 GHz (Turbo Speed upto 4.75 GHz) Cores |
| Cores | Octa Core (4P + 4E), 12 Threads | Octa Core, 16 Threads |
| Cache | 12 MB | 16 MB |
| Brand | Intel | AMD |
| Series | Core i5 | Ryzen 7 |
| Model | 12450H | 7735HS |
| Generation | 12th Gen | 7th Gen |
| Process Node | 10 nm | TSMC 6nm FinFET |
Graphics
| GPU | Intel Integrated Iris Xe | AMD Radeon Graphics |
| Brand | Intel | AMD |
Memory
| RAM | 16 GB DDR4 | 16 GB DDR5 |
| RAM Bus Speed | 4800 MHz | 4800 MHz |
| Solid State Drive | 512 GB SSD | 512 GB SSD |
| SSD Interface | NVMe | NVMe PCIe Gen4 |
Battery
| Battery | 47 Wh Battery | 45 Wh Battery |
| Adapter Type | 65W Round Tip (3-pin) | 65W USB-C Power Adapter |
Extra
| Included Software | Office Home 2024 | |
| Sales Package | Laptop, Power Adaptor, User Guide, Warranty Documents |
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