In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad L520. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell Inspiron 15 3510 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent battery life
lightweight design
solid build quality
simple user interface
average display quality
limited performance capacity
minimal connectivity options
basic graphics capability
Advantages and disadvantages of Lenovo ThinkPad L520 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard comfort
good battery life
solid performance
reliable security features
heavier than competitors
dated design
average display quality
limited graphics performance
DESIGN AND DIMENSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 38 cm x 24.7 cm x 3.6 cm |
Weight | 1.65 kg | 2.6 kg |
Colour | Platinum silver | - |
DISPLAY | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Screen Size (Type) | 15.6" - TN | 15.6" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1600 x 900 (HD+) |
Pixel Density (ppi) | 100 | - |
V-Sync Rate at Max Res. | 60 Hz | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | - | 16:9 |
Image Brightness | 220 cd/m² | - |
Colour Gamut | 45% NTSC | - |
Colour Support | - | 16.7 million colours |
Features | Anti-glare, 25 ms response rate, Narrow Border Display, 0.252 mm pixel pitch, ±40° horizontal viewing angle, +10/-30 vertical viewing angle | Anti-glare |
PROCESSOR | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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CPU | Intel Celeron N4020 / 1.1 GHz | Intel Core i5 (2nd Gen) 2520M / 2.5 GHz |
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Max Turbo Speed | 2.8 GHz | 3.2 GHz |
Number of Cores | Dual-Core | Dual-Core |
Cache | 4 MB | L3 - 3 MB |
64-bit Computing | - | Yes |
Features | Intel Burst Technology | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
MEMORY | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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RAM | 4 GB (1 x 4 GB) | 4 GB |
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Max RAM Supported | 8 GB | 8 GB |
RAM Type | DDR4 SDRAM | DDR3 SDRAM |
Speed | 2400 MHz | - |
Rated Speed | 2400 MHz | - |
Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
Slots Qty | 1 | 2 |
Empty Slots | 0 | - |
STORAGE | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) | 320 GB HDD |
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Optical Drive | - | DVD-Writer |
AUDIO & VIDEO | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel HD Graphics 3000 |
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Memory Allocation Technology | - | Dynamic Video Memory Technology |
Camera | Yes - HD | Yes |
Resolution | 0.92 Megapixel | 0.92 Megapixel |
Camera Features | 78.6 degrees, RGB camera | - |
Image Sensor Type | CMOS | - |
Video Resolutions | 1280 x 720 | - |
Frame Rate | 30 frames per second | - |
Sound | Stereo speakers, microphone | Stereo speakers, microphone |
Codec | Realtek ALC3204 | Realtek ALC269Q |
Compliant Standards | High Definition Audio | High Definition Audio |
COMMUNICATIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n, Bluetooth 3.0 |
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Wireless Controller | Intel Wireless-AC 9462 - M.2 2230 | - |
Network Interface | - | Gigabit Ethernet |
Features | Single stream (1x1) | - |
WWAN |
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Generation | - | 3G upgradable |
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BATTERY | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Technology | 3-cell lithium polymer | Lithium Ion |
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Battery Capacity (Size) | 41 Wh | - |
AC ADAPTER | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt, 19.5 V, 3.34 A | - |
INPUT | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Features | - | Spill-resistant, multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Slots | - | 1 x ExpressCard/54 (1 free) |
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Interfaces | HDMI 2 x USB 3.2 Gen 1 USB 2.0 Headphone/microphone combo jack |
2 x USB 2.0 PoweredUSB 2.0 USB 2.0/eSATA VGA DisplayPort LAN Headphone/microphone combo jack |
Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
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Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
MISCELLANEOUS | Dell Inspiron 15 3510 | Lenovo ThinkPad L520 |
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Included Accessories | Power adapter | Power adapter |
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Security | - | Trusted Platform Module (TPM 1.2) Security Chip |
Security Slot Type | - | Kensington security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Compliant Standards | - | ISO 9001, ISO 14001, RoHS, ISO 27001 |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Gold |
Max Operating Temperature | 40 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |
Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |