Acer ConceptD 7 (CN715-72G) vs. Lenovo IdeaPad 720S-14IKBR (81BD)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Acer ConceptD 7 (CN715-72G) and Lenovo IdeaPad 720S-14IKBR (81BD). 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.

Acer ConceptD 7 (CN715-72G) Review

Advantages and disadvantages of Acer ConceptD 7 (CN715-72G) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processor

vibrant 4k display

solid build quality

accurate color reproduction

ample storage options

heavier than competitors

expensive price point

limited port selection

average battery life

Lenovo IdeaPad 720S-14IKBR (81BD) Review

Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.

slim, lightweight design

sharp full HD display

solid overall performance

fast SSD storage

decent battery life

limited port selection

no dedicated GPU

average sound quality

pricier than competitors

Laptop Comparison and Tests

Difference between Acer ConceptD 7 (CN715-72G) and Lenovo IdeaPad 720S-14IKBR (81BD)
83 % - Design
88 % - Display
87 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Acer ConceptD 7 (CN715-72G) vs. Lenovo IdeaPad 720S-14IKBR (81BD) Comparison Chart
DESIGN AND DIMENSIONS Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 25.5 cm x 1.79 cm 32.07 cm x 22.28 cm x 1.59 cm
Weight 2.1 kg 1.55 kg
Case Material Aluminum Aluminium (top), aluminium (bottom)
Colour The white Silver
DISPLAY Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology 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 -
Features Anti-glare, ComfyView, 30 ms response rate, Narrow Border Display, Delta E<2 calibration, Pantone Validated Anti-glare
PROCESSOR Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
CPU Intel Core i7 (10th Gen) 10875H / 2.3 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 5.1 GHz 3.4 GHz
Number of Cores 8-core Quad-Core
Cache 16 MB 6 MB
64-bit Computing Yes -
Chipset Intel HM470 -
Features Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Thermal Velocity Boost Integrated memory controller
MEMORY Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
RAM 32 GB (2 x 16 GB) 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 2400 MHz
Rated Speed 2933 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 0 0
STORAGE Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Main Storage Size (HDD/SSD) 1.024 TB SSD - Self-Encrypting Drive - Samsung 128 GB SSD M.2 2280 PCIe 3.0 x4
AUDIO & VIDEO Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 2080 SUPER NVIDIA GeForce MX150 / Intel UHD Graphics 620
Video Memory 8 GB GDDR6 SDRAM 2 GB GDDR5 SDRAM
Camera Yes - HD Yes - 720p
Resolution - 1 Megapixel
Camera Features - Fixed focus
Sound Stereo speakers, two microphones Stereo speakers, dual array microphone
Compliant Standards - High Definition Audio, Dolby Audio Premium
Audio Features MaxxAudio, MaxxBass, MaxxDialog Output: JBL
COMMUNICATIONS Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller Killer Wi-Fi 6 AX1650i - M.2 2230 (CNVi) M.2 Card
Network Interface 2.5 Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Technology 4-cell Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 84 Wh 55 Wh
Battery Life Up to 7 hours Up to 14 hours
AC ADAPTER Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 230 Watt, 19.5 V 65 Watt
INPUT Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Multi-gesture touch pad Multi-touch touchpad
CONNECTIONS & EXPANSIONS Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Interfaces HDMI
Mini DisplayPort
USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode)
USB 3.2 Gen 2 (with power off charging)
2 x USB 3.2 Gen 2
LAN
Headphone output
Microphone input
USB 3.0 (Always On)
USB 3.0
USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery)
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home 64-bit Edition - English
Software Included - Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer
MISCELLANEOUS Acer ConceptD 7 (CN715-72G) Lenovo IdeaPad 720S-14IKBR (81BD)
Included Accessories Power adapter Power adapter
Security - Fingerprint reader
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, system password, HDCP Compliant, 4th Gen AeroBlade 3D Metal fan technology Administrator password, power-on password
Compliant Standards - RoHS
Manufacturer Warranty Limited warranty - 3 years - carry-in Limited warranty - 1 year - pick-up and return
Model Number 788V -
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