In depth comparison and review of Lenovo IdeaPad 3 15ADA05 (81W1) and Lenovo ThinkPad X13s Gen 1 (21BX). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo IdeaPad 3 15ADA05 (81W1) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
solid build quality
adequate performance
average display quality
limited storage capacity
no backlit keyboard
mediocre graphics performance
Advantages and disadvantages of Lenovo ThinkPad X13s Gen 1 (21BX) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight design
robust security features
solid build quality
efficient performance
limited port selection
no headphone jack
average display brightness
higher price point
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.34 cm x 1.99 cm | 29.87 cm x 20.64 cm x 1.34 cm |
| Weight | 1.85 kg | 1.06 kg |
| Case Material | Polycarbonate ABS | Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top) |
| Colour | Business black | Thunder black |
| DISPLAY | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Screen Size (Type) | 15.6" - TN | 13.3" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 220 cd/m² | 300 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| CPU | AMD Athlon Gold 3150U / 2.4 GHz | Qualcomm Snapdragon 8cx Gen 3 |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 3 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | L3 - 4 MB | L2 - 1 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2400 MHz | 4266 MHz |
| Rated Speed | 2400 MHz | 4266 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Qualcomm Adreno 690 |
|---|---|---|
| Max Monitors Supported | 1 external monitor(s) | 2 external monitor(s) |
| Camera | Yes | Yes |
| Resolution | 0.3 Megapixel | 5 Megapixel |
| Camera Features | Privacy shutter, fixed focus | IR camera, fixed focus, e-camera shutter, MIPI |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, 3-microphone array |
| Codec | - | Qualcomm WCD9385 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Qualcomm WCN6855 Wi-Fi 6E |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 5G |
|---|---|---|
| Controller | - | Qualcomm Snapdragon X55 - M.2 Card |
| BATTERY | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 35 Wh | 49.5 Wh |
| Battery Life | Up to 9.6 hours | Up to 28 hours |
| AC ADAPTER | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.2 Gen 1 USB 2.0 HDMI Headphone/microphone combo jack |
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 11 Pro (on ARM) - English |
|---|---|---|
| Software Included | Microsoft 365 Personal | - |
| MISCELLANEOUS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Base warranty - 3 years - pick-up and return Limited warranty - battery - 1 year Extended warranty - 1 year - on-site |
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