Detailed comparison and review of Dell Inspiron 15 5510 and Lenovo ThinkPad T14s Gen 3 (21BR). 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.
Advantages and disadvantages of Dell Inspiron 15 5510 based on its technical characteristics, features, user experience, expert reviews and price level.
efficient 11th gen processor
sleek aluminum design
comfortable backlit keyboard
fast SSD storage
good thermal management
average battery life
no dedicated GPU
limited port selection
dim display brightness
Advantages and disadvantages of Lenovo ThinkPad T14s Gen 3 (21BR) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
strong processor performance
good security features
high price point
average display brightness
no dedicated GPU
limited color options
DESIGN AND DIMENSIONS | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.606 cm x 22.89 cm x 1.799 cm | 31.75 cm x 22.69 cm x 1.66 cm |
Weight | 1.75 kg | 1.21 kg |
Case Material | - | Aluminium (bottom), carbon fibre hybrid (top) |
Colour | Platinum silver | Thunder black |
DISPLAY | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Screen Size (Type) | 15.6" | 14" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
Pixel Density (ppi) | 141 | - |
V-Sync Rate at Max Res. | 60 Hz | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | - | 400 cd/m² |
Colour Gamut | - | 100% sRGB |
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, 170° viewing angle, Low Power, Eyesafe technology |
PROCESSOR | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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CPU | Intel Core i5 (11th Gen) 11300H | Intel Core i5 (12th Gen) 1240P / 1.7 GHz |
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Max Turbo Speed | 4.4 GHz | 4.4 GHz |
Number of Cores | Quad-Core | 12-core |
Cache | 8 MB | 12 MB |
Platform Technology | - | Intel Evo |
Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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RAM | 8 GB (2 x 4 GB) | 16 GB (provided memory is soldered) |
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Max RAM Supported | 32 GB | - |
RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
Speed | 3200 MHz | 4800 MHz |
Rated Speed | 3200 MHz | 6400 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 0 | - |
STORAGE | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - HD | Yes - 1080p |
Resolution | 0.92 Megapixel | - |
Camera Features | Privacy shutter, 74.9 degrees, RGB camera | Privacy shutter, IR camera, Windows Hello, fixed focus |
Image Sensor Type | CMOS | - |
Video Resolutions | 1280 x 720 | - |
Frame Rate | 30 frames per second | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | M.2 2230 | Intel Wi-Fi 6E AX 211 |
Features | Dual stream (2x2) | Dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Technology | 4-cell lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 54 Wh | 57 Wh |
AC ADAPTER | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt, 19.5 V, 3.34 A | 65 Watt |
INPUT | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Interfaces | USB-C 3.2 Gen 2x2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
SOFTWARE | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English |
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Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | Intel Connectivity Performance Suite |
MISCELLANEOUS | Dell Inspiron 15 5510 | Lenovo ThinkPad T14s Gen 3 (21BR) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
Security Slot Type | - | Kensington nano security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | - | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
ENERGY STAR Certified | - | Yes |
EPEAT Compliant | - | EPEAT Gold |
Max Operating Temperature | 40 °C | 35 °C |
Min Operating Temperature | 0 °C | 5 °C |
Humidity Range Operating | 50 - 90% (non-condensing) | 8 - 95% |
Manufacturer Warranty | Limited warranty - 1 year | Base warranty - 3 years - pick-up and return Extended warranty - 1 year - on-site Limited warranty - battery - 1 year |