Side by side comparison and review of Dell Inspiron 15 5510 and Lenovo ThinkPad E15 Gen 2 (20TE). 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.
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 E15 Gen 2 (20TE) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
decent battery life
affordable price point
average display quality
modest graphics performance
no thunderbolt support
heavier design
DESIGN AND DIMENSIONS | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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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 | 36.5 cm x 24 cm x 1.89 cm |
Weight | 1.75 kg | 1.7 kg |
Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
Colour | Platinum silver | Black |
DISPLAY | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Screen Size (Type) | 15.6" | 15.6" - TN |
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LCD Backlight Technology | 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 |
Colour Gamut | - | 45% 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 | Anti-glare, 90° viewing angle |
PROCESSOR | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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CPU | Intel Core i5 (11th Gen) 11300H | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
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Max Turbo Speed | 4.4 GHz | 4.2 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 8 MB | 8 MB |
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 E15 Gen 2 (20TE) |
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RAM | 8 GB (2 x 4 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 32 GB | 32 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | 3200 MHz |
Rated Speed | 3200 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 0 | 0 |
STORAGE | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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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 2242 PCIe 3.0 x4 - Samsung |
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AUDIO & VIDEO | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce MX450 / Intel Iris Xe Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | - | 2 external monitor(s) |
Video Memory | - | 2 GB GDDR5 SDRAM |
Camera | Yes - HD | Yes - 720p |
Resolution | 0.92 Megapixel | - |
Camera Features | Privacy shutter, 74.9 degrees, RGB camera | Privacy shutter, 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 |
Audio Features | - | Harman audio technology |
COMMUNICATIONS | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 2230 | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111H-CG |
Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Technology | 4-cell lithium polymer | 3-cell lithium polymer |
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Battery Capacity (Size) | 54 Wh | 45 Wh |
Battery Life | - | Up to 10.8 hours |
AC ADAPTER | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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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 E15 Gen 2 (20TE) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | - |
Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Slots | - | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
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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 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
SOFTWARE | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
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Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
MISCELLANEOUS | Dell Inspiron 15 5510 | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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-810H tested, self-healing BIOS |
Compliant Standards | - | RoHS, TUV Rheinland Low Blue Light Certification, 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 | - |