In depth comparison and review of Acer ConceptD 7 (CN715-71) and Lenovo IdeaPad S540-15IML (81NG). 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 ConceptD 7 (CN715-71) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
4K UHD display
accurate color reproduction
ample storage capacity
robust design
heavy build
high price point
average battery life
limited port selection
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 ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.85 cm x 25.5 cm x 1.79 cm | 35.8 cm x 24.5 cm x 1.69 cm |
Weight | 2.1 kg | 1.95 kg |
Case Material | - | Aluminum, glass |
Colour | White | Mineral grey |
DISPLAY | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 400 cd/m² | 300 cd/m² |
Colour Gamut | 100% Adobe RGB | 72% |
Features | Anti-glare, ComfyView, 30 ms response rate, Narrow Border Display, Delta E<2 calibration, Pantone Validated | Glossy, glass cover |
PROCESSOR | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
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Max Turbo Speed | 4.5 GHz | 4.2 GHz |
Number of Cores | 6-core | Quad-Core |
Cache | L3 - 12 MB | 6 MB |
64-bit Computing | Yes | Yes |
Chipset | Mobile Intel HM370 | - |
Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
MEMORY | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
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Max RAM Supported | 32 GB | 12 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | - | 2400 MHz |
Rated Speed | - | 2400 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 0 | 0 |
STORAGE | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - SanDisk | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 2080 | Intel UHD Graphics |
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Video Memory | 8 GB GDDR6 SDRAM | - |
Camera | Yes - HD | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | - | Privacy shutter |
Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
Compliant Standards | - | High Definition Audio, Dolby Audio |
Audio Features | MaxxAudio, MaxxBass, MaxxDialog | - |
COMMUNICATIONS | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | Killer Wireless-AC 1550i - M.2 Card | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Killer E3000 | - |
Features | Killer DoubleShot Pro Technology | Dual stream (2x2) |
BATTERY | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Technology | 4-cell Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 84 Wh | 70 Wh |
Battery Life | Up to 8 hours | Up to 15 hours |
AC ADAPTER | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 180 Watt, 19.5 V | 65 Watt |
INPUT | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | Yes |
Features | Multi-gesture touch pad, precision touchpad | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Interfaces | HDMI Mini DisplayPort LAN USB 3.0 (with power off charging) USB-C 3.1 Gen 2 (supports Thunderbolt 3) Microphone input Headphone output 2 x USB-C 3.1 Gen 1 |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
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Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition - English |
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Software Included | - | Microsoft Office (30 days trial) |
MISCELLANEOUS | Acer ConceptD 7 (CN715-71) | Lenovo IdeaPad S540-15IML (81NG) |
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Included Accessories | Power adapter | Power adapter |
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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 | Power capacity indicator, battery life Indicator, AeroBlade fan | Administrator password, hard drive password, power-on password, RapidCharge |
Compliant Standards | - | 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 | 70FF | - |