Detailed comparison and review of Dell XPS 15 9520 and HP 255 G7 Notebook. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.014 cm x 1.854 cm | 37.6 cm x 24.6 cm x 2.25 cm |
| Weight | 1.92 kg | 1.78 kg |
| Colour | Silver | Dark ash silver |
| DISPLAY | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | - | WLED backlight |
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 1366 x 768 (HD) |
| Pixel Density (ppi) | 145 | - |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 500 cd/m² | 220 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| 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 | Slim Design, HD standard-viewing angle (SVA) eDP anti-glare |
| PROCESSOR | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | AMD Athlon Silver 3050U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.2 GHz |
| Number of Cores | 14-core | Dual-Core |
| Cache | 24 MB | L3 - 4 MB |
| Features | Intel Smart Cache | - |
| MEMORY | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| RAM | 16 GB (2 x 8 GB) | 4 GB (1 x 4 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2400 MHz / PC4-19200 |
| Rated Speed | 4800 MHz | 2400 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2280 SATA 6Gb/s - triple-level cell (TLC) |
|---|
| AUDIO & VIDEO | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti | AMD Radeon Graphics |
|---|---|---|
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | - |
| Camera Features | IR/RGB camera, 78.5 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 | - |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6E AX1675 | Realtek RTL8821CE - PCI Express Mini Card (M.2) |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.11d, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v |
| Features | Dual stream (2x2) | Miracast, single stream (1x1), CNVi |
| BATTERY | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Technology | 6-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 41 Wh |
| Battery Life | - | Up to 10.5 hours |
| AC ADAPTER | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 45 Watt, 19.5 V |
| INPUT | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Volume control, multi-touch touchpad, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9520 | HP 255 G7 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 |
2 x USB 3.1 Gen 1 USB 2.0 HDMI Headphone/microphone combo jack LAN |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 10 Pro 64-bit Edition National Academic - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) | HP Support Assistant, McAfee LiveSafe, HP Setup Integrated OOBE, HP Documentation, HP Audio Switch, HP JumpStart, HP SSRM |
| MISCELLANEOUS | Dell XPS 15 9520 | HP 255 G7 Notebook |
|---|
| Included Accessories | USB-C power adapter | HP 45 Watt Smart nPFC AC Adapter |
|---|---|---|
| Security | Fingerprint reader | Trusted Platform Module (TPM 1.2) and firmware (TPM 2.0) |
| 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) |
| Compliant Standards | - | UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year |
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