Acer ConceptD 7 (CN715-71) vs. Lenovo IdeaPad S145-15API (81UT)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Acer ConceptD 7 (CN715-71) and Lenovo IdeaPad S145-15API (81UT). 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.

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 IdeaPad S145-15API (81UT) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15API (81UT) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

sufficient connectivity options

simple user interface

average display quality

limited battery life

modest graphics capability

no backlight keyboard

Laptop Comparison and Tests

Difference between Acer ConceptD 7 (CN715-71) and Lenovo IdeaPad S145-15API (81UT)
82 % - Design
87 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
69 % - Design
63 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Acer ConceptD 7 (CN715-71) vs. Lenovo IdeaPad S145-15API (81UT) Comparison Chart
DESIGN AND DIMENSIONS Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 25.5 cm x 1.79 cm 36.22 cm x 25.15 cm x 1.99 cm
Weight 2.1 kg 1.85 kg
Case Material - Polycarbonate ABS
Colour White Granite black IMR
DISPLAY Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Screen Size (Type) 15.6" - IPS 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1366 x 768 (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 IdeaPad S145-15API (81UT)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz AMD Ryzen 3 3200U / 2.6 GHz
Max Turbo Speed 4.5 GHz 3.5 GHz
Number of Cores 6-core Dual-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 IdeaPad S145-15API (81UT)
RAM 16 GB (2 x 8 GB) 4 GB (provided memory is soldered)
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 1
STORAGE Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - SanDisk 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Graphics Processor (GPU) NVIDIA GeForce RTX 2080 AMD Radeon Vega 3
Video Memory 8 GB GDDR6 SDRAM -
Camera Yes - HD Yes
Resolution - 0.3 Megapixel
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 IdeaPad S145-15API (81UT)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.2
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 Single stream (1x1)
BATTERY Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 84 Wh 30 Wh
Battery Life Up to 8 hours Up to 4 hours
AC ADAPTER Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
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 IdeaPad S145-15API (81UT)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Multi-gesture touch pad, precision touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
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 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home in S mode - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS Acer ConceptD 7 (CN715-71) Lenovo IdeaPad S145-15API (81UT)
Included Accessories Power adapter 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 Power capacity indicator, battery life Indicator, AeroBlade fan Administrator password, hard drive password, power-on password
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
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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