Side by side comparison and review of Lenovo IdeaPad S540-15IML (81NG) and HP Dragonfly G4 Notebook. 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 S540-15IML (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
Advantages and disadvantages of HP Dragonfly G4 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
long battery life
high-resolution display
robust security features
responsive touch screen
high price point
limited port variety
moderate storage capacity
average graphics performance
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.69 cm | 29.74 cm x 22.04 cm x 1.64 cm |
| Weight | 1.95 kg | 990 g |
| Case Material | Aluminum, glass | - |
| Colour | Mineral grey | Slate blue |
| DISPLAY | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Screen Size (Type) | 15.6" - IPS | 13.5" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | - |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 3:2 |
| Image Brightness | 300 cd/m² | - |
| Colour Gamut | 72% | - |
| Features | Glossy, glass cover | - |
| PROCESSOR | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i5 (13th Gen) 1345U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 6 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Turbo Boost Technology |
| MEMORY | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | - |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | - |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | - |
| Sound | Stereo speakers, dual array microphone | Two tweeters, two woofers |
| Codec | - | Realtek ALC3315 |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | - | Output: Bang & Olufsen Audio |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | - |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | - |
| Battery Life | Up to 15 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch clickpad, gesture function, spill-resistant |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) HDMI 2.1 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | No operating system |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S540-15IML (81NG) | HP Dragonfly G4 Notebook |
|---|
| Included Accessories | Power adapter | - |
|---|---|---|
| Integrated Options | - | HP Tamper Lock |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately), chassis intrusion sensor |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | BIOS Absolute Persistence, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested, Secured-core PC enabled |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | CSA, VCCI, BSMI, GS, ISO 9241, CCC, FIPS 140-2 Level 2, FCC, RoHS, KCC, CISPR, ICES, Common Criteria EAL4+, KC, SRRC, NCC, UL 62368-1, TEC, KES, Ukraine NSoC, Saudi Arabian Compliance |
| SAR Value | 1.81 W/kg (body), 1.81 W/kg (limb) | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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