In depth comparison and review of Acer Extensa 15 (EX215-51) and Lenovo Yoga S740-14IIL (81RS). 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 Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
Advantages and disadvantages of Lenovo Yoga S740-14IIL (81RS) based on its technical characteristics, features, user experience, expert reviews and price level.
impressive 4k display
sleek aluminum design
fast intel core performance
good battery life
thunderbolt 3 support
limited port variety
no dedicated gpu
higher price range
average speaker quality
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 32.235 cm x 21.2 cm x 1.815 cm |
| Weight | 1.9 kg | 1.4 kg |
| Case Material | - | Aluminum |
| Colour | Shale black | Iron grey |
| DISPLAY | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| 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 | 220 cd/m² | 400 cd/m² |
| Colour Gamut | - | 72% NTSC |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Glossy, Wide Viewing Angle, glass cover, Dolby Vision, 72% NTSC colour gamut |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.7 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| RAM | 4 GB (4 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | - | 3733 MHz |
| Rated Speed | - | 3733 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Plus Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | IR camera, ToF sensor |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | Dual stream (2x2) |
| BATTERY | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 62 Wh |
| Battery Life | - | Up to 19 hours |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 Headphone/microphone combo jack |
|---|
| SOFTWARE | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo Yoga S740-14IIL (81RS) |
|---|
| Included Accessories | Power adapter, HDD kit | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | MU-MIMO technology | Administrator password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS |
| SAR Value | - | 0.439 W/kg (body), 0.439 W/kg (limb) |
| Specific Absorption Rate (SAR) | - | 0.439 W/kg (body) 0.439 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 | 39SK | - |
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