Side by side comparison and review of Lenovo IdeaPad S540-13API (81XC) and Acer Swift X 16 (SFX16). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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
Advantages and disadvantages of Acer Swift X 16 (SFX16) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
crisp 16-inch display
lightweight design
efficient thermal management
solid build quality
average battery life
no sd card slot
limited port selection
higher price range
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.69 cm x 20.86 cm x 1.595 cm | 35.6 cm x 24.917 cm x 2.083 cm |
| Weight | 1.25 kg | 2.1 kg |
| Case Material | Aluminum, glass | Anodised aluminium |
| Colour | Light silver | Steel grey |
| DISPLAY | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Screen Size (Type) | 13.3" - IPS | 16" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQHD) | 3200 x 2000 (WQXGA+) |
| V-Sync Rate at Max Res. | - | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC | 100% DCI-P3 |
| Features | Glossy, 72% NTSC colour gamut | Glare, CineCrystal, Eyesafe technology, 1 ms response rate, HDR 500 True Black, VESA DisplayHDR 500 |
| PROCESSOR | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| CPU | AMD Ryzen 7 3750H / 2.3 GHz | AMD Ryzen 7 7840HS / 3.8 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | L3 - 4 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| STORAGE | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 - Micron |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Graphics Processor (GPU) | AMD Radeon RX Vega 10 | NVIDIA GeForce RTX 4050 |
|---|---|---|
| Video Memory | - | 6 GB GDDR6 SDRAM |
| Camera | Yes - 720p | Yes - Full HD |
| Resolution | 1 Megapixel | - |
| Camera Features | IR camera, fixed focus, ToF sensor | Temporal Noise Reduction, Acer PurifiedView |
| Video Resolutions | - | 1080p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | - | Input: AI noise reduction |
| COMMUNICATIONS | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 76 Wh |
| Battery Life | Up to 14.7 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 135 Watt, 19.5 V, 6.92 A |
| INPUT | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-gesture touch pad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Interfaces | 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 |
HDMI 2 x USB4/DisplayPort (DC-In combo, Power Delivery) USB 3.2 Gen 1 USB 3.2 Gen 1 (with power off charging) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | NVIDIA Studio drivers |
| MISCELLANEOUS | Lenovo IdeaPad S540-13API (81XC) | Acer Swift X 16 (SFX16) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | Administrator password, system password, Acer Purified.Voice technology, Acer TwinAir cooling technology |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | 0.599 W/kg (body), 0.599 W/kg (limb) | 2 W/kg (limb), 2 W/kg (body), 2 W/kg (head) |
| Specific Absorption Rate (SAR) | 0.599 W/kg (body) 0.599 W/kg (limb) |
- |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 61G |
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