In depth comparison and review of Dell XPS 15 9510 and Lenovo ThinkPad P51. 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 XPS 15 9510 based on its technical characteristics, features, user experience, expert reviews and price level.
stunning 4k display
powerful intel performance
sleek aluminum design
impressive battery life
good port selection
higher price point
heavier than competitors
no full-size usb
can get quite hot
Advantages and disadvantages of Lenovo ThinkPad P51 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
powerful processor performance
high-resolution display
good connectivity options
heavy and bulky
expensive price point
moderate battery life
noisy under load
| DESIGN AND DIMENSIONS | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.03 cm x 1.8 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 2.04 kg | 2.67 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | Platinum silver with black interior | Black |
| DISPLAY | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 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 | 250 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, 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 9510 | Lenovo ThinkPad P51 |
|---|
| CPU | Intel Core i5 (11th Gen) 11400H | Intel Xeon E3-1505MV6 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 12 MB | 8 MB |
| 64-bit Computing | - | Yes |
| Chipset | Intel WM590 | Mobile Intel CM238 |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Smart Cache | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| RAM | 8 GB (2 x 4 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2400 MHz |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 0 | - |
| STORAGE | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 512 GB SSD |
|---|
| AUDIO & VIDEO | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA Quadro M2200 / Intel HD Graphics P630 |
| Video Memory | - | 4 GB |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes - 720p |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | - |
| Camera Features | IR camera, Windows Hello, 78.3 degrees | - |
| 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-CG | Realtek ALC3268 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 | - |
| Network Interface | - | Gigabit Ethernet |
| BATTERY | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | - |
| AC ADAPTER | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 20 V, 4.5 A | 170 Watt |
| INPUT | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| 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 3.1 Gen 1/USB 3.0 (Always On) 3 x USB 3.1 Gen 1/USB 3.0 USB-C (supports Thunderbolt 3) Mini DisplayPort HDMI LAN Dock 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 9510 | Lenovo ThinkPad P51 |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell XPS 15 9510 | Lenovo ThinkPad P51 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password, Intel Active Management Technology (iAMT), MIL-STD-810G tested |
| Compliant Standards | DisplayPort 1.4a | ISO 9001, ISO 14001, ISO 27001 |
| ENERGY STAR Certified | Yes | Yes |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
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