In depth comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D2) and Lenovo IdeaPad S540-13API (81XC). 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 ThinkPad Z13 Gen 1 (21D2) based on its technical characteristics, features, user experience, expert reviews and price level.
excellent build quality
powerful AMD processor
high-resolution display
sustainable materials used
compact and lightweight
higher price point
no HDMI port
limited upgradeability
average battery life
Advantages and disadvantages of Lenovo IdeaPad S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp, vibrant display
fast processing speed
good battery life
quiet operation
limited port selection
no optical drive
average graphics performance
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.94 cm x 19.96 cm x 1.399 cm | 29.69 cm x 20.86 cm x 1.595 cm |
| Weight | 1.19 kg | 1.25 kg |
| Case Material | Aluminium (top), aluminium (bottom) | Aluminum, glass |
| Colour | Black (bottom), arctic grey (top) | Light silver |
| DISPLAY | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Screen Size (Type) | 13.3" - IPS | 13.3" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 2560 x 1600 (WQHD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 100% sRGB, 72% NTSC |
| Features | Anti-glare, 178° viewing angle, Low Power, 91.6% screen-to-body ratio | Glossy, 72% NTSC colour gamut |
| PROCESSOR | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| CPU | AMD Ryzen 5 Pro 6650U / 2.9 GHz | AMD Ryzen 7 3750H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 16 MB | L3 - 4 MB |
| 64-bit Computing | - | Yes |
| Features | - | Integrated memory controller |
| MEMORY | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 6400 MHz | 2400 MHz |
| Rated Speed | 6400 MHz | 2400 MHz |
| STORAGE | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Graphics Processor (GPU) | AMD Radeon 660M | AMD Radeon RX Vega 10 |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | IR camera, Windows Hello, e-camera shutter | IR camera, fixed focus, ToF sensor |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Qualcomm NFA725A | M.2 Card |
| Compliant Standards | DASH | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 51.5 Wh | 56 Wh |
| Battery Life | Up to 22.8 hours | Up to 14.7 hours |
| AC ADAPTER | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, haptic feedback, Fn keys with Unified Communications controls, glass touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Interfaces | 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
|---|
| SOFTWARE | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Glance by Mirametrix | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Lenovo IdeaPad S540-13API (81XC) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, pen upgradable, certificate based BIOS authentication | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.599 W/kg (body), 0.599 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Specific Absorption Rate (SAR) | - | 0.599 W/kg (body) 0.599 W/kg (limb) |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Extended warranty - 3 years - on-site - response time: next business day |
Limited warranty - 1 year - pick-up and return |
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