Acer Extensa 15 (EX215-51K) vs. Lenovo IdeaPad S145-14IIL (81W6)

Laptop Comparison, Reviews and Tests
Lenovo IdeaPad S145-14IIL (81W6)
Lenovo IdeaPad S145-14IIL (81W6)

Our Rating: 72 %

In depth comparison and review of Acer Extensa 15 (EX215-51K) and Lenovo IdeaPad S145-14IIL (81W6). 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 Extensa 15 (EX215-51K) Review

Advantages and disadvantages of Acer Extensa 15 (EX215-51K) 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 resolution

limited storage capacity

no backlit keyboard

basic graphics card

Lenovo IdeaPad S145-14IIL (81W6) Review

Advantages and disadvantages of Lenovo IdeaPad S145-14IIL (81W6) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

solid build quality

decent processor performance

adequate connectivity options

average display quality

limited battery life

modest graphics capability

no backlit keyboard

Laptop Comparison and Tests

Difference between Acer Extensa 15 (EX215-51K) and Lenovo IdeaPad S145-14IIL (81W6)
74 % - Design
64 % - Display
65 % - Performance
71 % - Connectivity
72 % - Battery
69 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Acer Extensa 15 (EX215-51K) vs. Lenovo IdeaPad S145-14IIL (81W6) Comparison Chart
DESIGN AND DIMENSIONS Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.34 cm x 25.05 cm x 1.99 cm 32.71 cm x 24.1 cm x 1.99 cm
Weight 1.9 kg 1.6 kg
Case Material - Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Shale black Platinum grey | Granite black
DISPLAY Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Screen Size (Type) 15.6" 14" - TN
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 1366 x 768 (HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 220 cd/m²
Features Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display Anti-glare
PROCESSOR Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
CPU Intel Core i3 (8th Gen) 8130U / 2.2 GHz Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz
Max Turbo Speed 3.4 GHz 3.4 GHz
Number of Cores Dual-Core Dual-Core
Cache 4 MB 4 MB
64-bit Computing Yes -
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
RAM 4 GB (4 GB (soldered)) 4 GB (provided memory is soldered)
Max RAM Supported 12 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed - 2666 MHz
Rated Speed - 2666 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Main Storage Size (HDD/SSD) 256 GB SSD - Kingston 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel UHD Graphics
Memory Allocation Technology Shared Video Memory (UMA) -
Camera Yes - VGA Yes
Resolution 0.3 Megapixel 0.3 Megapixel
Camera Features - Fixed focus
Sound Stereo speakers, microphone Stereo speakers, microphone
Compliant Standards - High Definition Audio, Dolby Audio
COMMUNICATIONS Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Wireless Bluetooth, 802.11a/b/g/n/ac 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet -
Features Wake-on-LAN (WOL) Single stream (1x1)
BATTERY Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Technology 2-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 36 Wh 30 Wh
Battery Life Up to 9 hours Up to 5.5 hours
AC ADAPTER Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19 V 65 Watt
INPUT Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Features Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Interfaces HDMI
USB 3.1 Gen 1
2 x USB 2.0
LAN
Headphone/microphone combo jack
USB 2.0
2 x USB 3.1 Gen 1
HDMI 1.4b
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 10 Home in S mode - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Acer Extensa 15 (EX215-51K) Lenovo IdeaPad S145-14IIL (81W6)
Included Accessories Power adapter Wall mount 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, hard drive password, power-on password
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
Carbon Footprint - 293 kg carbon emissions
Manufacturer Warranty Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Limited warranty - 1 year - pick-up and return
Model Number 30FY -
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