Detailed comparison and review of HP 255 G9 Notebook and Dell Latitude 7640. 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.
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
Advantages and disadvantages of Dell Latitude 7640 based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
high-resolution display
powerful processor performance
lightweight design
excellent connectivity options
higher price point
average battery life
limited color options
noisy under load
| DESIGN AND DIMENSIONS | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.2 cm x 1.99 cm | 35.8 cm x 25.042 cm x 1.95 cm |
| Weight | 1.74 kg | 1.837 kg |
| Case Material | - | Aluminum |
| DISPLAY | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Screen Size (Type) | 15.6" - IPS | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (Full HD Plus) |
| Pixel Density (ppi) | - | 141.5 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch |
| PROCESSOR | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel Core i5 (13th Gen) 1345U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 4.7 GHz |
| Number of Cores | 6-core | 10-core |
| Cache | L3 - 16 MB | L3 - 12 MB |
| Platform Technology | - | Intel vPro Enterprise |
| Features | - | Intel Smart Cache |
| MEMORY | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| RAM | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM - non-ECC | LPDDR5 SDRAM |
| Speed | 3200 MHz | 4800 MHz |
| Rated Speed | 3200 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value | 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 |
|---|
| AUDIO & VIDEO | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | AMD FreeSync | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - 1920 x 1080 (standard), 640 x 360 (infrared) |
| Camera Features | Temporal Noise Reduction | Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) |
| Image Sensor Type | - | CMOS |
| Video Resolutions | 720p | 1920 x 1080, 640 x 360 |
| Frame Rate | - | 30 frames per second |
| Sound | Dual stereo speakers, dual array microphone | Four stereo speakers, dual array microphone |
| Codec | Realtek ALC3247 | Realtek ALC3281 |
| Compliant Standards | - | High Definition Audio |
| COMMUNICATIONS | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Realtek RTL8852BE - PCI Express Mini Card (M.2) | Intel Wi-Fi 6E AX 211 |
| 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 | Dual stream (2x2), WWAN aerial |
| BATTERY | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Technology | 3-cell lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 57 Wh |
| Battery Life | Up to 10.25 hours | - |
| AC ADAPTER | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Input | AC 115/230 V (50 - 60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19.5 V, 8 A | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad | Mini LED backlit, 80-key |
| CONNECTIONS & EXPANSIONS | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Operating System (OS) | Windows 11 Home - English | Windows 11 Pro - Dutch / English / French / German / Italian |
|---|---|---|
| Software Included | 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) | Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | HP 255 G9 Notebook | Dell Latitude 7640 |
|---|
| Included Accessories | HP 45 Watt Smart nPFC AC Adapter | USB-C power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer, hall sensor |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader, contactless smart card reader |
| Security Slot Type | - | Noble Wedge security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | HP Fast Charge | ExpressCharge, ExpressChargeBoost |
| Compliant Standards | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP | FIPS 140-2, TCG Certified, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 0 °C |
| Humidity Range Operating | 10 - 90% | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
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