Dell Inspiron 15 3511 vs. Lenovo Yoga S740-14IIL (Lenovo Yoga S740)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell Inspiron 15 3511 and Lenovo Yoga S740-14IIL (Lenovo Yoga S740). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Dell Inspiron 15 3511 Review

Advantages and disadvantages of Dell Inspiron 15 3511 based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent battery life

solid build quality

intuitive touchpad

average display quality

modest processor speed

limited graphics performance

fewer USB-C ports

Lenovo Yoga S740-14IIL (Lenovo Yoga S740) Review

Advantages and disadvantages of Lenovo Yoga S740-14IIL (Lenovo Yoga S740) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

sleek aluminum design

fast processing speed

good battery life

thunderbolt 3 support

limited port variety

no dedicated GPU

higher price point

average speaker quality

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3511 and Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
75 % - Design
66 % - Display
65 % - Performance
73 % - Connectivity
75 % - Battery
85 % - Design
86 % - Display
86 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3511 vs. Lenovo Yoga S740-14IIL (Lenovo Yoga S740) Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 32.235 cm x 21.2 cm x 1.815 cm
Weight 1.73 kg 1.4 kg
Case Material - Aluminum
Colour Carbon black Iron grey | Mica
DISPLAY Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Screen Size (Type) 15.6" 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 400 cd/m²
Colour Gamut 45% NTSC 72% NTSC
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.179 mm pixel pitch Glossy, Dolby Vision, 72% NTSC colour gamut
PROCESSOR Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
CPU Intel Core i3 (11th Gen) 1115G4 / 3 GHz Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz
Max Turbo Speed 4.1 GHz 3.7 GHz
Number of Cores Dual-Core Quad-Core
Cache 6 MB 6 MB
64-bit Computing - Yes
Features Intel Turbo Boost Technology 2.0, Intel Smart Cache Integrated memory controller
MEMORY Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
RAM 4 GB (1 x 4 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 2666 MHz 3733 MHz
Rated Speed 2666 MHz 3733 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Plus Graphics
Camera Yes - HD Yes - 720p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera IR camera, ToF sensor
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Compliant Standards High Definition Audio High Definition Audio, Dolby Atmos
COMMUNICATIONS Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Wireless Bluetooth, 802.11a/b/g/n/ac 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller M.2 2230 M.2 Card
Features - Dual stream (2x2)
BATTERY Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Technology 3-cell lithium polymer Lithium Ion
Battery Capacity (Size) 41 Wh 62 Wh
Battery Life - Up to 19 hours
AC ADAPTER Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.34 A 65 Watt
INPUT Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features - Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Interfaces HDMI
USB 2.0
2 x USB 3.2 Gen 1
Headphone/microphone combo jack
USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Operating System (OS) Windows 10 Home 64-bit Edition in S mode Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (30 days trial, excludes office licence) Microsoft Office (Trial)
MISCELLANEOUS Dell Inspiron 15 3511 Lenovo Yoga S740-14IIL (Lenovo Yoga S740)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip
Features - Administrator password, power-on password
Compliant Standards - RoHS
SAR Value - 0.439 W/kg (body), 0.439 W/kg (limb)
ENERGY STAR Certified Yes Yes
Max Operating Temperature 40 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 10 - 90% (non-condensing) -
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number - 14IIL 81RS
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