Side by side comparison and review of Dell Precision 5520 and Dell Precision 7740. 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 Precision 7740 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processor performance
high-resolution display
expandable memory options
robust build quality
excellent graphics capabilities
heavier than competitors
expensive base model
shorter battery life
limited portability
| DESIGN AND DIMENSIONS | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.7 cm | 41.42 cm x 27.37 cm x 3.03 cm |
| Weight | 2 kg | 3.09 kg |
| Colour | Silver | Black |
| DISPLAY | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Screen Size (Type) | 15.6" | 17.3" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 127 |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | - | 72%, 100% sRGB |
| Features | UltraSharp, anti-glare, Wide Viewing Angle | UltraSharp, anti-glare, Premium Panel Guarantee, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle |
| PROCESSOR | Dell Precision 5520 | Dell Precision 7740 |
|---|
| CPU | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz | Intel Core i7 (9th Gen) 9850H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.6 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 8 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM236 Express | Mobile Intel CM246 |
| Platform Technology | Intel vPro Platform | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell Precision 5520 | Dell Precision 7740 |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 128 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2666 MHz |
| Rated Speed | - | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | 2 |
| STORAGE | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe |
|---|
| AUDIO & VIDEO | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 | NVIDIA Quadro RTX 3000 |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | 6 GB GDDR6 SDRAM |
| Camera | Yes | Yes |
| Resolution | 0.92 Megapixel | 0.92 Megapixel |
| Camera Features | - | 720p HD movie recording |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, array microphone |
| Codec | - | Realtek ALC3281 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.0, 802.11a/b/g/n/ac Wave 2/ax |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Intel Wi-Fi 6 AX 200 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-LM |
| Features | Miracast | - |
| BATTERY | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Technology | 3-cell lithium polymer | 6-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 97 Wh |
| AC ADAPTER | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 19.5 V, 6.67 A | 240 Watt, 19.5 V, 12.31 A |
| INPUT | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-gesture touch pad |
| CONNECTIONS & EXPANSIONS | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Interfaces | USB-C (supports Thunderbolt 3) LAN (on supplied cable) 2 x USB 3.0 (PowerShare) Headphone/microphone combo jack HDMI |
Mini DisplayPort HDMI 3 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack LAN 2 x USB-C (supports Thunderbolt 3) |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 10 Pro 64-bit Licence - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell Precision 5520 | Dell Precision 7740 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip | Smart card reader |
| Security Slot Type | - | Noble Wedge security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | ExpressCharge |
| Compliant Standards | - | ISO 14443 type A, FIPS 201 |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 20 - 80% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 1 year - response time: next business day | - |
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