Dell Inspiron 15 3520 vs Lenovo IdeaPad 15″ (Slim)
Comparison summary
- Lenovo IdeaPad 15″ is hands-down better laptop however Inspiron 15 3520 offers better value.
- For performance IdeaPad has a lot better performing processor. It also contains more memory.
- IdeaPad has Windows 11 Pro, which is superior to Windows 11 Home that is in Inspiron 15 3520.
- IdeaPad has a higher resolution screen (WUXGA).
- IdeaPad is thinner and more compact in size.
Dell Inspiron 15 3520
Lenovo IdeaPad 15″ (Slim)
Compare specifications
| Dell Inspiron 15 3520 | Lenovo IdeaPad 15″ (Slim) |
|---|---|
| Processor (CPU)?Central Processing Unit is the heart of a laptop and is responsible for executing programs. Read more | |
| Intel Core i7-1255U | Intel Core i7-13620H |
| Memory (RAM)?Memory increases the general speed and multiprocessing capabilities of a laptop. Read more | |
| 16gb | 24gb |
| Graphics card (GPU)?Graphics Processing Unit calculates 3D graphics and is essential for gaming and heavy programs. Read more | |
| - | Intel UHD Graphics |
| Screen size | |
| 15.6″ | 15.3″ |
| Screen resolution | |
| Full HD (1920 x 1080 pixels) | WUXGA (1920 x 1200 pixels) |
| Size (length x width x height) | |
| 15 x 12 x 0.93 inches | 13.52 x 9.51 x 0.67 inches |
| (38.1 x 30.48 x 2.36 cm) | (34.34 x 24.16 x 1.7 cm) |
| Operating system (OS) | |
| Windows 11 Home | Windows 11 Pro |
| Hard drives | |
| 1000gb SSD | 1000gb SSD |
| Release date | |
| August 13, 2025 | July 20, 2026 |
| Amazon.com List Price | |
| $825.00 | $939.99 |
| Amazon.com Lowest New Price | |
| $825.00 | $939.99 |
| Buy on Amazon.com | Buy on Amazon.com |
Laptop Dimensions
Dell Inspiron 15 3520
Lenovo IdeaPad 15″ (Slim)
Compare Dell Inspiron 15 3520 / Lenovo IdeaPad 15″ vs other Intel i7 laptops:
Dell Inspiron 15 3520 summary
Dell Inspiron 15 3520 is a Windows laptop released in 2025. It doesn't have the best Intel processor, though enough RAM for its price. Full HD resolution is fine for the 15″ monitor. The 1000gb SSD storage is reasonable.
Dell Inspiron 15 3520 15.6" FHD Laptop, Intel Core i7-1255U Processor, 16GB RAM,1TB SSD, SD Card Reader, WiFi, Bluetooth, Webcam, Win 11 Home, Alpacatec Accessories, Carbon Black
Intel Core i7 Processor : Intel Core i7-1255U (12 MB cache, 10 cores, up to 4.7 GHz Turbo). Faster processors can access data faster without being blocked, allowing you to react quickly without waiting when processing large data, bringing a superior creative experience
15.6" FHD Display : The Dell laptop adopts 15.6 inch anti-glare micro-edge display, 1920 X 1080 resolution, 250 nit. 15.6 inch Laptop allows you to enjoy an immersive multimedia experience. The anti-glare LED backlit display gives you a more comfortable experience
Memory & Storage : The laptop computer equipped with 16GB DDR4 RAM for advanced multitasking, ensuring you can run multiple applications smoothly. Laptops with up to 1TB PCIe SSD storage provide fast data access and ample storage space for your files, software and media
Tech & Connectivity : This Dell Inspiron laptop is equipped with Camera, Wi-Fi , Bluetooth, SD card reader, long-life battery, 1 x HDMI 1.4, 1 x USB 3.2 -C, 2 x USB 3.2-A, 1x USB 2.0, 1 x Power Jack,1 x Microphone/ Headphone
Operating System : Pre-installed with Windows 11 Home, the laptop offers a modern and user-friendly operating system experience. Dell laptop computer battery life (up to)10.75 hours to maximize your work and play time
ASIN: B0BPH8X3PQ
Lenovo IdeaPad 15″ (Slim) summary
Lenovo IdeaPad is a superb value business laptop with Windows 11 Pro released in 2026. It has a superb Intel CPU plus a lot of memory for its price. WUXGA resolution is superb for the 15-inch IPS display. Your 1000gb SSD storage is adequate.
Lenovo New IdeaPad Slim Business Laptop(2026-2027 Premium Edition), Intel 10-Core i7-13620H(Beats i9-11900H), 24GB DDR5, 1TB PCIe, 15.3" WUXGA Anti-Glare Display, Windows 11 Pro with MS365 for Web
【Processor】Powered by Intel Core i7-13620H with 10 cores (6P + 4E) and 16 threads, delivering strong multitasking and fast performance. P-cores boost up to 4.9GHz and E-cores up to 3.6GHz for responsive computing. Ideal for business, data analysis, and daily tasks, with Intel UHD Graphics for smooth visuals and efficient operation.
【AI-Function】Boost your productivity with the AI-driven Windows Copilot, offering intelligent task management, personalized assistance, and smart recommendations to make your daily tasks more efficient and intuitive.
【Operating System】Pre-installed Windows 11 Pro 40-bit, built for business performance and security. Features BitLocker encryption, Remote Desktop, and Group Policy for professional management. Modern interface supports advanced multitasking and enterprise integration, ensuring a smooth, secure, and future-ready experience.
【Key Features】Comprehensive connectivity with Wi-Fi 6, Bluetooth 5.2, 2× USB-A 3.2 Gen 1, 1× USB-C 3.2 Gen 1 (PD 3.0 + DP 1.2), HDMI 1.4, SD card reader, and audio combo jack. Equipped with Dolby Audio speakers, HD webcam with privacy shutter, dual mics, and precision touchpad. Sleek Luna Grey aluminum cover, MIL-STD-810H durability.
【Display】Features a 15.3-inch WUXGA (1920×1200) IPS anti-glare screen with 300 nits brightness and 45% NTSC color. Delivers sharp detail, wide viewing angles, and 90.7% screen-to-body ratio for immersive productivity. Perfect for work, content creation, and entertainment with vibrant and clear visuals.
ASIN: B0H9P1CBZH