Lenovo IdeaPad S340-15IWL (81N8) vs. ASUS R521JA (EJ974T)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad S340-15IWL (81N8) and ASUS R521JA (EJ974T). 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

ASUS R521JA (EJ974T) Review

Advantages and disadvantages of ASUS R521JA (EJ974T) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

lightweight design

decent battery life

adequate performance

average display quality

limited storage capacity

no backlit keyboard

basic graphics card

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S340-15IWL (81N8) and ASUS R521JA (EJ974T)
72 % - Design
63 % - Display
65 % - Performance
72 % - Connectivity
72 % - Battery
78 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S340-15IWL (81N8) vs. ASUS R521JA (EJ974T) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.79 cm 36 cm x 23.5 cm x 2.29 cm
Weight 1.79 kg 1.9 kg
Case Material Aluminum, polycarbonate ABS -
Colour Onyx black Transparent silver
DISPLAY Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Screen Size (Type) 15.6" - IPS 15.6"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 200 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Anti-glare, 83% screen-to-body ratio
PROCESSOR Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
CPU Intel Core i3 (8th Gen) 8145U / 2.1 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 3.9 GHz 3.6 GHz
Number of Cores Dual-Core Quad-Core
Cache 4 MB 6 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 4 GB (provided memory is soldered)
Max RAM Supported 8 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz -
Rated Speed 2400 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Main Storage Size (HDD/SSD) 1 TB HDD SATA 6Gb/s / 5400 rpm 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel UHD Graphics
Camera Yes - 720p Yes - VGA
Resolution 1 Megapixel -
Camera Features Privacy shutter -
Sound Stereo speakers, dual array microphone Speaker, microphone
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Output: ASUS SonicMaster
COMMUNICATIONS Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller M.2 Card -
Features Single stream (1x1) Single stream (1x1)
BATTERY Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Technology Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) 52.5 Wh 32 Wh
Battery Life Up to 10 hours -
AC ADAPTER Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Features Multi-touch touchpad, buttonless touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
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 3.2 Gen 1
USB-C 3.2 Gen 1
2 x USB 2.0
HDMI
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Home
MISCELLANEOUS Lenovo IdeaPad S340-15IWL (81N8) ASUS R521JA (EJ974T)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge -
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
SAR Value 0.847 W/kg (limb), 0.847 W/kg (body) -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
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