Dell Inspiron 15 3511 vs. Lenovo ThinkPad T495s (20QK)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad T495s (20QK). 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 ThinkPad T495s (20QK) Review

Advantages and disadvantages of Lenovo ThinkPad T495s (20QK) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

robust build quality

excellent keyboard comfort

good battery life

efficient AMD processor

limited storage capacity

no Thunderbolt support

average display brightness

higher price point

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3511 and Lenovo ThinkPad T495s (20QK)
75 % - Design
66 % - Display
65 % - Performance
73 % - Connectivity
75 % - Battery
81 % - Design
75 % - Display
78 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3511 vs. Lenovo ThinkPad T495s (20QK) Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 32.9 cm x 22.615 cm x 1.67 cm
Weight 1.73 kg 1.33 kg
Case Material - Carbon fibre reinforced plastic, magnesium-aluminum alloy
Colour Carbon black Black
DISPLAY Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Screen Size (Type) 15.6" 14"
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 250 cd/m²
Colour Gamut 45% NTSC 45%
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 Anti-glare, Wide Viewing Angle, 170° viewing angle
PROCESSOR Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
CPU Intel Core i3 (11th Gen) 1115G4 / 3 GHz AMD Ryzen 5 Pro 3500U / 2.1 GHz
Max Turbo Speed 4.1 GHz 3.7 GHz
Number of Cores Dual-Core Quad-Core
Cache 6 MB L3 - 4 MB
64-bit Computing - Yes
Features Intel Turbo Boost Technology 2.0, Intel Smart Cache Integrated memory controller
MEMORY Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
RAM 4 GB (1 x 4 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2400 MHz
Rated Speed 2666 MHz 2666 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
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 - TCG Opal Encryption, NVM Express (NVMe) - Samsung
AUDIO & VIDEO Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Graphics Processor (GPU) Intel UHD Graphics AMD Radeon Vega 8
Camera Yes - HD Yes - 720p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera ThinkShutter camera privacy
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio Premium
COMMUNICATIONS Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Wireless Bluetooth, 802.11a/b/g/n/ac 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller M.2 2230 Intel Dual Band Wireless-AC 9260
Network Interface - Gigabit Ethernet
Ethernet Controller - Realtek RTL8111EPV
Compliant Standards - DASH
Features - Gigabit Ethernet via optional Ethernet (RJ-45) adapter
WWAN
Generation - 4G
Technology - LTE Advanced
Controller - FIBOCOM L850-GL - M.2 Card
BATTERY Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Technology 3-cell lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 41 Wh 57 Wh
Battery Life - Up to 16.4 hours
AC ADAPTER Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
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, 5 / 9 / 15 / 20 V
INPUT Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features - Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Slots - 1 x Nano-SIM card (1 free)
Interfaces HDMI
USB 2.0
2 x USB 3.2 Gen 1
Headphone/microphone combo jack
USB 3.1 Gen 2
USB 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Lenovo Ethernet extension connector
Headphone/microphone combo jack
LAN (on supplied cable)
Dock
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Operating System (OS) Windows 10 Home 64-bit Edition in S mode Windows 10 Pro 64-bit Edition
Software Included Microsoft Office (30 days trial, excludes office licence) -
MISCELLANEOUS Dell Inspiron 15 3511 Lenovo ThinkPad T495s (20QK)
Dockable - Yes
Included Accessories Power adapter USB-C power adapter, ThinkPad Ethernet Extension Cable Gen 2
Security - Trusted Platform Module (TPM 2.0) Security Chip, smart card reader
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features - Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested
Compliant Standards - RoHS
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Silver
Max Operating Temperature 40 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 10 - 90% (non-condensing) -
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