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Lenovo IdeaPad Slim 3 15IRH10 (83K100CAIN) vs Lenovo ThinkBook 15 21DJA049IH Intel Core i5 12th Gen (8GB/512GB SSD/Win 11)
Findprix helps you compare the Lenovo IdeaPad Slim 3 15IRH10 (83K100CAIN) and Lenovo ThinkBook 15 21DJA049IH Intel Core i5 12th Gen (8GB/512GB SSD/Win 11) in terms of price, specifications, user reviews, and more. Lenovo IdeaPad Slim 3 15IRH10 (83K100CAIN) is priced at ₹51,900. Lenovo ThinkBook 15 21DJA049IH Intel Core i5 12th Gen (8GB/512GB SSD/Win 11) is priced at ₹51,990. Here's a quick comparison.
| Key Highlights | Lenovo IdeaPad Slim 3 15IRH10 (83K100CAIN) | Lenovo ThinkBook 15 21DJA049IH Intel Core i5 12th Gen (8GB/512GB SSD/Win 11) |
|---|---|---|
| Processor | Intel Core i5 13420H | Intel Core i5 12th Gen |
| RAM | 8GB | DDR5 | 8 GB, DDR4 |
| Storage | 512GB SSD | 512 GB SSD |
| Display | 15.3 inches | IPS | 15.6 inches, Full HD |
| GPU | Integrated Intel UHD | Intel UHD |
| OS | Windows 11 Home | Windows 11 Home |
Overview
| Launch Date | January 24, 2025 | -- |
|---|---|---|
| Processor | Intel Core i5 13420H | Intel Core i5 12th Gen |
| RAM | 8GB | DDR5 | 8 GB, DDR4 |
| Storage | 512GB SSD | 512 GB SSD |
| Display | 15.3 inches | IPS | 15.6 inches, Full HD |
| GPU | Integrated Intel UHD | Intel UHD |
| OS | Windows 11 Home | Windows 11 Home |
| User Ratings | N/A | 3.3/5 (6 Ratings) |
Price List
 | ₹51,900 | N/A |
|---|---|---|
 | ₹51,990 | ₹51,990 |
General
| Modal | 83K100CAIN | 21DJA049IH |
|---|---|---|
| Utility | Performance | -- |
| Operating System | Windows 11 Home | Windows 11 Home |
Design
| Dimensions | 34.3 x 24 x 1.7 cm | 35.7 x 23.5 x 1.9 cm |
|---|---|---|
| Weight | 1.59 kg | 1.7 kg |
| Colours | Luna Grey | Grey |
| Build Material | Top: Aluminium, Bottom: PC-ABS | -- |
| Durability | MIL-STD-810H military test passed (21 test items) | -- |
Display
| Touch Screen | -- | No |
|---|---|---|
| Display Type | IPS | -- |
| Screen Size | 15.3 inches (38.8 cm) | 15.6 inches |
| Screen Resolution | 1920 x 1200 pixels (WUXGA) | 1920 x 1080 pixels |
| Refresh Rate | 60 Hz | -- |
| Brightness | 300 nits | 250 nits |
| Anti-Glare | Yes | Yes |
| Features | 45% NTSC, 90.7% AAR | Anti-Glare |
Performance
| Processor | Intel Core i5 | Intel Core i5 12th Gen |
|---|---|---|
| Chipset | Intel SoC | -- |
| Processor Variant | 13420H | 1235UG4 |
| Graphics | Integrated Intel UHD | Intel UHD |
| Cores | 8 Cores (4P + 4E), 12 Threads | 10 Cores, 12 Threads |
| Clock Speed | 4 x Performance: up to 4.6 GHz 4 x Efficient: up to 3.4 GHz | 4.4 GHz |
| System Architecture | -- | 64 bit |
Storage
| RAM | 8 GB | 8 GB |
|---|---|---|
| RAM Type | DDR5 | DDR4 |
| RAM Speed | 4800 MHz | 3200 MHz |
| SSD Storage | 512 GB, M.2 2242 PCIe 4.0x4 NVMe | 512 GB |
| Cache | 12 MB | 12 MB |
Battery
| Battery | 50 Wh | -- |
|---|---|---|
| Power Supply | 65 W Round Tip (3-pin) | -- |
Connectivity
| Bluetooth | v5.2 | Yes |
|---|---|---|
| Wi-Fi | Wi-Fi 6 (802.11ax) 2x2 | Yes |
Ports and Slots
| Ethernet Port | -- | Yes, 1 x RJ-45 |
|---|---|---|
| USB Port | 2 x USB-A 3.2 Gen 1 1 x USB-C USB 3.2 Gen 1 (Power Delivery 3.0, DisplayPort 1.2) | 1 x USB 3.2 Gen 2 Type-C, 1 x Thunderbolt 4, 2 x USB 3.2 Gen 1 Type-A |
| HDMI Port | 1 x HDMI 1.4 | 1 x HDMI |
| Multi Card Slot | SD Card Reader | 4-in-1 card reader |
| Headset Jack | 1 × 3.5mm headphone/mic jack | Yes |
Multimedia
| Web Camera | FHD 1080p + IR with Privacy Shutter | Yes |
|---|---|---|
| Mic | Dual Array | Yes |
| Speakers | Stereo speakers, 2 x 2W, Dolby Audio | Yes, Dual Speaker |
Features
| Keyboard | Backlit, English Keyboard with Numeric Keypad | -- |
|---|---|---|
| Backlit Keyboard | Yes | Backlit Keyboard |
| Touchpad | Buttonless Mylar Surface Multi-touch Touchpad | -- |
Warranty
| Warranty | 1 Year | -- |
|---|
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