Lenovo IdeaPad S340-15IWL (81N8) vs. Lenovo IdeaPad 720S-14IKBR (81BD)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad S340-15IWL (81N8) and Lenovo IdeaPad 720S-14IKBR (81BD). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo IdeaPad S340-15IWL (81N8) Review

Advantages and disadvantages of Lenovo IdeaPad S340-15IWL (81N8) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

sleek design

comfortable keyboard

solid performance

lightweight build

average battery life

dim display

no thunderbolt support

limited upgradeability

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 Lenovo IdeaPad S340-15IWL (81N8) and Lenovo IdeaPad 720S-14IKBR (81BD)
72 % - Design
63 % - Display
65 % - Performance
72 % - Connectivity
72 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S340-15IWL (81N8) vs. Lenovo IdeaPad 720S-14IKBR (81BD) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.79 cm 32.07 cm x 22.28 cm x 1.59 cm
Weight 1.79 kg 1.55 kg
Case Material Aluminum, polycarbonate ABS Aluminium (top), aluminium (bottom)
Colour Onyx black Silver
DISPLAY Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 300 cd/m²
Features Anti-glare Anti-glare
PROCESSOR Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
CPU Intel Core i3 (8th Gen) 8145U / 2.1 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 3.9 GHz 3.4 GHz
Number of Cores Dual-Core Quad-Core
Cache 4 MB 6 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 8 GB (1 x 8 GB)
Max RAM Supported 8 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 2400 MHz
Rated Speed 2400 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Main Storage Size (HDD/SSD) 1 TB HDD SATA 6Gb/s / 5400 rpm 128 GB SSD M.2 2280 PCIe 3.0 x4
AUDIO & VIDEO Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics 620 NVIDIA GeForce MX150 / Intel UHD Graphics 620
Video Memory - 2 GB GDDR5 SDRAM
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel 1 Megapixel
Camera Features Privacy shutter Fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio Premium
Audio Features - Output: JBL
COMMUNICATIONS Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller M.2 Card M.2 Card
Features Single stream (1x1) Single stream (1x1)
BATTERY Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Technology Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 52.5 Wh 55 Wh
Battery Life Up to 10 hours Up to 14 hours
AC ADAPTER Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Multi-touch touchpad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
Headphone/microphone combo jack
HDMI
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) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Home 64-bit Edition - English
Software Included - Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer
MISCELLANEOUS Lenovo IdeaPad S340-15IWL (81N8) Lenovo IdeaPad 720S-14IKBR (81BD)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Fingerprint reader
Features Administrator password, hard drive password, power-on password, RapidCharge Administrator password, power-on password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS
SAR Value 0.847 W/kg (limb), 0.847 W/kg (body) -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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