Side by side comparison and review of Dell Precision 7720 and Dell Precision 7550. 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 7550 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful workstation performance
high-quality 4k display
robust build quality
excellent thermal management
expandable memory options
heavier than competitors
expensive base model
limited battery life
noisy under load
| DESIGN AND DIMENSIONS | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 41.67 cm x 28.12 cm x 3.53 cm | 36 cm x 24.2 cm x 2.736 cm |
| Weight | 3.4 kg | 2.45 kg |
| Colour | Black | Grey |
| DISPLAY | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Screen Size (Type) | 17.3" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 141 |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 300 cd/m² | - |
| Features | UltraSharp, anti-glare, Corning Gorilla glass 4 | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch |
| PROCESSOR | Dell Precision 7720 | Dell Precision 7550 |
|---|
| CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM238 | Mobile Intel WM490 |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Max Technology 3.0, Intel Thermal Velocity Boost, Intel vPro Platform Eligibility |
| MEMORY | Dell Precision 7720 | Dell Precision 7550 |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 128 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2933 MHz |
| Rated Speed | 2400 MHz | 2933 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 2 | 2 |
| STORAGE | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 | NVIDIA Quadro RTX 3000 |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | 6 GB GDDR6 SDRAM |
| Camera | Yes - 1280 x 720 | Yes - HD |
| Resolution | - | 0.92 Megapixel |
| Camera Features | 720p HD movie recording | 74.9 degrees |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3281 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Intel Wi-Fi 6 AX 201 - M.2 2230 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-LM |
| Features | - | Wake-on-LAN (WOL) |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE |
| Controller | - | Qualcomm Snapdragon X20 |
| BATTERY | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Technology | 6-cell Lithium Ion | 6-cell Lithium Ion |
|---|
| AC ADAPTER | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 19.5 V, 12.31 A | 180 Watt, 19.5 V, 9.23 A |
| INPUT | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-gesture touch pad | - |
| CONNECTIONS & EXPANSIONS | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Interfaces | Mini DisplayPort LAN 4 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack HDMI Dock USB-C (supports Thunderbolt) |
HDMI Mini DisplayPort 1.4 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Precision 7720 | Dell Precision 7550 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - 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 7720 | Dell Precision 7550 |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Smart card reader | 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) | Security lock slot (cable lock sold separately) |
| Features | - | ExpressCharge |
| Compliant Standards | - | FIPS 140-2, TCG Certified |
| 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 - 3 years - response time: next business day | - |
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