In depth comparison and review of Dell XPS 15 9510 and HP 255 G9 Notebook. 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 HP 255 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate port selection
includes numeric keypad
average display quality
modest processor performance
limited graphics capabilities
no backlit keyboard
| DESIGN AND DIMENSIONS | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.03 cm x 1.8 cm | 35.8 cm x 24.2 cm x 1.99 cm |
| Weight | 2.04 kg | 1.74 kg |
| Colour | Platinum silver with black interior | - |
| DISPLAY | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | WLED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 145 | - |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | - |
| Image Brightness | 500 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| 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 | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design |
| PROCESSOR | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| CPU | Intel Core i5 (11th Gen) 11400H | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4.3 GHz |
| Number of Cores | 6-core | 6-core |
| Cache | 12 MB | L3 - 16 MB |
| Chipset | Intel WM590 | - |
| Features | Intel Smart Cache | - |
| MEMORY | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| RAM | 8 GB (2 x 4 GB) | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | 3200 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value |
|---|
| AUDIO & VIDEO | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Graphics |
|---|---|---|
| Video System Features | - | AMD FreeSync |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes - HD |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | - |
| Camera Features | IR camera, Windows Hello, 78.3 degrees | Temporal Noise Reduction |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | 720p |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Dual stereo speakers, dual array microphone |
| Codec | Realtek ALC3281-CG | Realtek ALC3247 |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 | Realtek RTL8852BE - PCI Express Mini Card (M.2) |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Remote Management Protocol | - | SNMP 2 |
| Features | - | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 41 Wh |
| Battery Life | - | Up to 10.25 hours |
| AC ADAPTER | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 115/230 V (50 - 60 Hz) |
|---|---|---|
| Output | 90 Watt, 20 V, 4.5 A | 45 Watt, 19.5 V, 8 A |
| INPUT | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| 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 |
Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Home - English |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | HP Support Assistant, Dropbox, McAfee (30 days trial), HP Audio Switch, HP PC Hardware Diagnostics, HP Connection Optimizer, HP Privacy Settings, ExpressVPN (30 days trial), HP QuickDrop, HP Smart App, myHP, Touchpoint Customiser for Commercial, LastPass password manager (30 days trial), HP Smart Health (free download) |
| MISCELLANEOUS | Dell XPS 15 9510 | HP 255 G9 Notebook |
|---|
| Included Accessories | USB-C power adapter | HP 45 Watt Smart nPFC AC Adapter |
|---|---|---|
| Security | Fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Noble Wedge security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | - | HP Fast Charge |
| Compliant Standards | DisplayPort 1.4a | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP |
| ENERGY STAR Certified | Yes | Yes |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% |
| Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
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