Side by side comparison and review of Dell Precision 5520 and Dell Precision 7770. 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 7770 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processor performance
high-resolution display
robust build quality
ample connectivity options
scalable memory and storage
heavier than competitors
expensive base model
average battery life
noisy under load
| DESIGN AND DIMENSIONS | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.7 cm | 39.8 cm x 26.502 cm x 2.67 cm |
| Weight | 2 kg | 3.02 kg |
| Colour | Silver | Grey |
| DISPLAY | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Screen Size (Type) | 15.6" | 17.3" |
|---|---|---|
| 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 Aspect Ratio | - | 16:9 |
| Image Brightness | 400 cd/m² | 500 cd/m² |
| Colour Gamut | - | 99% DCI-P3 |
| Features | UltraSharp, anti-glare, Wide Viewing Angle | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.198 mm pixel pitch |
| PROCESSOR | Dell Precision 5520 | Dell Precision 7770 |
|---|
| CPU | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz | Intel Core i7 (12th Gen) 12850HX / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 16-core |
| Cache | 8 MB | 25 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM236 Express | - |
| Platform Technology | Intel vPro Platform | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0 | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Dell Precision 5520 | Dell Precision 7770 |
|---|
| RAM | 8 GB (1 x 8 GB) | 32 GB (1 x 32 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 128 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM - non-ECC |
| Speed | 2133 MHz | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | CAMM |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe), Class 40 |
|---|
| AUDIO & VIDEO | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 | NVIDIA RTX A3000 |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | 12 GB GDDR6 SDRAM |
| Camera | Yes | Yes - Full HD |
| Resolution | 0.92 Megapixel | - |
| Camera Features | - | IR camera, 74.9 degrees, 70 degrees (IR camera) |
| Video Resolutions | 1280 x 720 | 1920 x 1080 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Two tweeters, two woofers, dual array microphone |
| Codec | - | Realtek ALC711-VD |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-LM |
| Features | Miracast | Dual stream (2x2) |
| BATTERY | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 93 Wh |
| AC ADAPTER | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 19.5 V, 6.67 A | 240 Watt, 19.5 V, 12.3 A |
| INPUT | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | - | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Slots | - | 4 x M.2 Card (3 free) |
|---|---|---|
| Interfaces | USB-C (supports Thunderbolt 3) LAN (on supplied cable) 2 x USB 3.0 (PowerShare) Headphone/microphone combo jack HDMI |
HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 LAN (RJ-45) Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 10 Pro 64-bit Licence - Multilingual User Interface (MUI) | Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - Dutch / English / French / German / Italian |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | Dell Precision 5520 | Dell Precision 7770 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer, ambient light sensor, hall sensor |
| Security | Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) 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 | - | FIPS 140-2 |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 1 year - response time: next business day | - |
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