Side by side comparison and review of Dell XPS 15 9520 and Lenovo IdeaPad 720S-14IKBR (81BD). 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 XPS 15 9520 based on its technical characteristics, features, user experience, expert reviews and price level.
stunning 4k display
powerful intel performance
solid build quality
good battery life
advanced thermal design
high base price
heavier than competitors
no full-size usb port
limited color options
Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
| DESIGN AND DIMENSIONS | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.014 cm x 1.854 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 1.92 kg | 1.55 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Silver | Silver |
| DISPLAY | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 145 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 500 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, Infinity Edge display, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch, Eyesafe technology | Anti-glare |
| PROCESSOR | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.4 GHz |
| Number of Cores | 14-core | Quad-Core |
| Cache | 24 MB | 6 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2400 MHz |
| Rated Speed | 4800 MHz | 2400 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | 4 GB GDDR6 SDRAM | 2 GB GDDR5 SDRAM |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes - 720p |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | 1 Megapixel |
| Camera Features | IR/RGB camera, 78.5 degrees | 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 ALC3281 | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio Premium |
| Audio Features | - | Output: JBL |
| COMMUNICATIONS | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6E AX1675 | M.2 Card |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 55 Wh |
| Battery Life | - | Up to 14 hours |
| AC ADAPTER | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 65 Watt |
| INPUT | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Interfaces | USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery) Headphone/microphone combo jack |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI 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 XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
| MISCELLANEOUS | Dell XPS 15 9520 | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | Fingerprint reader |
| Security Slot Type | Noble Wedge security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | - | Administrator password, power-on password |
| Compliant Standards | - | RoHS |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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