Acer ConceptD 7 (CN715-71) Review

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

Lenovo V155-15API (81V5) Review

Advantages and disadvantages of Lenovo V155-15API (81V5) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

decent processor performance

ample storage capacity

full hd display

numerical keypad included

average battery life

heavier design

no backlit keyboard

limited port selection

Laptop Comparison and Tests

Difference between Acer ConceptD 7 (CN715-71) and Lenovo V155-15API (81V5)
82 % - Design
87 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
69 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Acer ConceptD 7 (CN715-71) vs. Lenovo V155-15API (81V5) Comparison Chart
DESIGN AND DIMENSIONS Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 25.5 cm x 1.79 cm 36.3 cm x 25.4 cm x 2.29 cm
Weight 2.1 kg 2.2 kg
Case Material - Polycarbonate ABS
Colour White Iron grey
DISPLAY Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Screen Size (Type) 15.6" - IPS 15.6" - TN
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 220 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 (CN715-71) Lenovo V155-15API (81V5)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz AMD Ryzen 5 3500U / 2.1 GHz
Max Turbo Speed 4.5 GHz 3.7 GHz
Number of Cores 6-core Quad-Core
Cache L3 - 12 MB L3 - 4 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 V155-15API (81V5)
RAM 16 GB (2 x 8 GB) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 32 GB 16 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 V155-15API (81V5)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - SanDisk 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe)
Optical Drive - DVD-Writer - tray
AUDIO & VIDEO Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Graphics Processor (GPU) NVIDIA GeForce RTX 2080 AMD Radeon Vega 8
Video Memory 8 GB GDDR6 SDRAM -
Camera Yes - HD Yes - 720p
Camera Features - Privacy shutter
Sound Stereo speakers, two microphones Stereo speakers, microphone
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features MaxxAudio, MaxxBass, MaxxDialog -
COMMUNICATIONS Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller Killer Wireless-AC 1550i - M.2 Card M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Killer E3000 -
Features Killer DoubleShot Pro Technology -
BATTERY Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 84 Wh 36 Wh
Battery Life Up to 8 hours Up to 5 hours
AC ADAPTER Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 19.5 V 65 Watt
INPUT Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Multi-gesture touch pad, precision touchpad Multi-touch touchpad
CONNECTIONS & EXPANSIONS Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
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
2 x USB 3.1 Gen 1
LAN
HDMI
Headphone/microphone combo jack
SOFTWARE Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Pro 64-bit Edition - Dutch / English / French / German / Italian
MISCELLANEOUS Acer ConceptD 7 (CN715-71) Lenovo V155-15API (81V5)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) 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 STAR Certified - Yes
Manufacturer Warranty Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Limited warranty - 1 year - pick-up and return
Model Number 70FF -
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