In depth comparison and review of Dell Precision 7720 and Dell Precision 7780. 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 7780 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processing capabilities
high-resolution display
robust build quality
extensive connectivity options
scalable memory and storage
heavier than competitors
expensive base model
average battery life
noisy under load
| DESIGN AND DIMENSIONS | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 41.67 cm x 28.12 cm x 3.53 cm | 39.8 cm x 26.502 cm x 2.67 cm |
| Weight | 3.4 kg | 3.02 kg |
| Colour | Black | Grey |
| DISPLAY | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Screen Size (Type) | 17.3" - IPS | 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 Brightness | 300 cd/m² | 500 cd/m² |
| Colour Gamut | - | 99% DCI-P3 |
| 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, 0.198 mm pixel pitch |
| PROCESSOR | Dell Precision 7720 | Dell Precision 7780 |
|---|
| CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | Intel Core i7 (13th Gen) 13850HX / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 5.3 GHz |
| Number of Cores | Quad-Core | 20-core |
| Cache | 6 MB | L3 - 30 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM238 | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | Dell Precision 7720 | Dell Precision 7780 |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 128 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM - non-ECC |
| Speed | 2400 MHz | 4800 MHz |
| Rated Speed | 2400 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | CAMM |
| Slots Qty | 4 | - |
| Empty Slots | 2 | - |
| STORAGE | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe), Class 40 |
|---|
| AUDIO & VIDEO | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 | NVIDIA RTX 2000 Ada |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | 8 GB GDDR6 SDRAM |
| Camera | Yes - 1280 x 720 | Yes - Full HD |
| Camera Features | 720p HD movie recording | Privacy shutter, IR camera, 70 degrees (IR camera) |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | 1920 x 1080 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, microphone | Two tweeters, two woofers, dual array microphone |
| Codec | - | Realtek ALC3281 |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Dell Precision 7720 | Dell Precision 7780 |
|---|
| 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 |
| BATTERY | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Technology | 6-cell Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 93 Wh |
| AC ADAPTER | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 19.5 V, 12.31 A | 240 Watt, 19.5 V, 12.3 A |
| INPUT | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-gesture touch pad | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Interfaces | Mini DisplayPort LAN 4 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack HDMI Dock USB-C (supports Thunderbolt) |
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 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Precision 7720 | Dell Precision 7780 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 11 Pro - 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 7720 | Dell Precision 7780 |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Integrated Options | - | Accelerometer, ambient light sensor, proximity sensor, hall sensor |
| Security | Smart card reader | 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) | Security lock slot (cable lock sold separately) |
| Features | - | Chassis intrusion detection, 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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