In depth comparison and review of Dell Precision 3550 and Dell Precision 7770. 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 Precision 3550 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
advanced security features
reliable performance
heavy chassis
mediocre display brightness
limited graphics power
higher price point
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 3550 | Dell Precision 7770 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 39.8 cm x 26.502 cm x 2.67 cm |
| Weight | 1.86 kg | 3.02 kg |
| Colour | Black | Grey |
| DISPLAY | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Screen Size (Type) | 15.6" | 17.3" |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | 127 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | - | 99% DCI-P3 |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 0.179 mm pixel pitch | 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 3550 | Dell Precision 7770 |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | Intel Core i7 (12th Gen) 12850HX / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 16-core |
| Cache | 8 MB | 25 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache, Intel Thermal Velocity Boost | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Dell Precision 3550 | 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 - non-ECC | DDR5 SDRAM - non-ECC |
| Speed | 2666 MHz | 4800 MHz |
| Rated Speed | 2666 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | CAMM |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe), Class 40 |
|---|
| AUDIO & VIDEO | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro P520 | NVIDIA RTX A3000 |
|---|---|---|
| Video Memory | 2 GB GDDR5 SDRAM | 12 GB GDDR6 SDRAM |
| Camera | Yes | Yes - Full HD |
| Resolution | 8 Megapixel | - |
| Camera Features | 78.6 degrees, RGB camera | IR camera, 74.9 degrees, 70 degrees (IR camera) |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | 1920 x 1080 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Two tweeters, two woofers, dual array microphone |
| Codec | Realtek ALC3204 | Realtek ALC711-VD |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-LM |
| Features | - | Dual stream (2x2) |
| BATTERY | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Technology | 4-cell | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 93 Wh |
| Battery Life | Up to 17 hours | - |
| AC ADAPTER | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 19.5 V, 4.62 A | 240 Watt, 19.5 V, 12.3 A |
| INPUT | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | - | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Slots | - | 4 x M.2 Card (3 free) |
|---|---|---|
| Interfaces | HDMI USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) 2 x USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
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 (microSD, microSDHC, microSDXC) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - 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) | Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | Dell Precision 3550 | Dell Precision 7770 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer, ambient light sensor, hall sensor |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
| Security Slot Type | Noble Wedge security slot | Noble Wedge security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Free Fall Sensor, ExpressCharge, lid sensor | ExpressCharge |
| Compliant Standards | - | FIPS 140-2 |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 80% (non-condensing) | 10 - 90% (non-condensing) |
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