Side by side comparison and review of Acer Swift X SFX16 and Lenovo IdeaPad S540-15IML (81NG). 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 Acer Swift X SFX16 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
lightweight and portable
vibrant full-hd display
solid build quality
decent thermal management
average battery life
limited port selection
no sd card slot
moderate speaker quality
Advantages and disadvantages of Lenovo IdeaPad S540-15IML (81NG) based on its technical characteristics, features, user experience, expert reviews and price level.
sleek aluminum design
sharp full HD display
fast processing speeds
ample storage capacity
good battery life
heavier than competitors
no optical drive
limited port selection
average graphics performance
| DESIGN AND DIMENSIONS | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.78 cm x 23.61 cm x 1.89 cm | 35.8 cm x 24.5 cm x 1.69 cm |
| Weight | 1.9 kg | 1.95 kg |
| Case Material | Anodised aluminium | Aluminum, glass |
| Colour | Steel grey | Mineral grey |
| DISPLAY | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Screen Size (Type) | 16.1" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | - | 72% |
| Features | Anti-glare, ComfyView, 25 ms response rate, Narrow Border Display | Glossy, glass cover |
| PROCESSOR | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| CPU | Intel Core i7 (11th Gen) 11390H / 3.4 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 12 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| RAM | 8 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD - Kingston | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 | Intel UHD Graphics |
|---|---|---|
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Windows Hello | Privacy shutter |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 2230 (CNVi) | M.2 Card |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 59 Wh | 70 Wh |
| Battery Life | Up to 7 hours | Up to 15 hours |
| AC ADAPTER | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 19 V, 4.74 A | 65 Watt |
| INPUT | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-gesture touch pad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Interfaces | HDMI USB-C 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Acer Swift X SFX16 | Lenovo IdeaPad S540-15IML (81NG) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | 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 |
| Compliant Standards | HDCP | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 1.81 W/kg (body), 1.81 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 51G | - |
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