Dell Latitude 7640 vs Dell Precision 7780
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55
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Compared 2 laptops: Dell Latitude 7640, vs Dell Precision 7780. Below are specs, tests, pros and cons for each device
Versions
| Battery | - 38 W - 57 W |
- 83 W - 93 W |
| Processor | - Intel Core i5 1335U - Intel Core i5 1340P - Intel Core i5 1345U - Intel Core i5 1350P - Intel Core i7 1355U - Intel Core i7 1365U - Intel Core i7 1370P |
- Intel Core i7 13850HX - Intel Core i9 13950HX |
| Storage | - 256 GB - 512 GB - 1024 GB - 2048 GB |
- 256 GB - 512 GB - 1024 GB - 2048 GB - 4096 GB - 8192 GB |
| RAM | - 8 GB - 16 GB - 32 GB |
- 16 GB - 32 GB - 64 GB - 128 GB |
Review
System Performance
System and app performance
Gaming Performance
Graphics in popular 3D games
Display
Color accuracy, sharpness & brightness
Battery Life
Estimated real-world battery life
Connectivity
Ports, webcam, and interfaces
Case & Design
Appearance, materials, durability, comfort
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonBody
| Weight | 1.83 kg | 3.05 kg |
| Pixel size | 358x250.42x18.4-19.5 mm | 398x265.02x25.95-28.5 mm |
| Area | 897 cm² | 1055 cm² |
| Screen-to-body ratio | 82.8 % | 78.2 % |
| Side bezels | 6.7 mm | 7.5 mm |
| Colors | Gray | Gray |
| Material | - Top: Aluminum - Middle: Plastic - Bottom: Plastic |
- Top: Aluminum - Middle: Plastic - Bottom: Aluminum |
| Transformer | No | No |
| Opening angle | 180 ° | 180 ° |
| Cooling type | Active | Active |
| Vapor chamber | No | No |
| Liquid metal | No | No |
| Cooler count | 1 | 2 |
Display
| Diagonal | 16 in | 17.3 in |
| Type | IPS LCD | IPS LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Pixel density | 142 ppi | 127 ppi |
| Aspect ratio | 16:10 | 16:9 |
| Resolution | 1920x1200 pixels | 1920x1080 pixels |
| HDR support | No | No |
| Sync Tech | No | No |
| Touchscreen | No | No |
| Coating | Matte | Matte |
| Light sensor | Yes | Yes |
| Contrast | 800:1 | 1000:1 |
| DCI-P3 gamut | n/a | 99 % |
| Response time | 35 ms | 35 ms |
Battery
| Capacity | 38 Wh | 83 Wh |
| Voltage | 7.6 V | 11.55 V |
| Full Charge Time | n/a | 2:00 h |
| Battery Type | Li-ion | Li-ion |
| Removable | No | No |
| Fast Charging | Yes | Yes |
| USB PD | Yes | Yes |
| Charge Port Location | Left | Left |
| Charge Power | 60/65/100 W | 180/240 W |
| Cable Length | 1 m | 1 m |
| Charger weight | 275/288/350 g | 480/670 g |
Processor
| Processor | Intel Core i5 1335U | Intel Core i7 13850HX |
| Base frequency | 1.3 GHz | 2.1 GHz |
| Turbo Frequency | 4.6 GHz | 5.3 GHz |
| Cores | 10 (2P + 8E) | 20 (8P + 12E) |
| Threads | 12 | 28 |
| L3 Cache | 12 MB | 30 MB |
| Integrated Graphics | Intel Iris Xe Graphics (80EU) | Intel UHD Graphics (32EU) |
| Process tech. | 10 nm | 10 nm |
GPU Model
| GPU Model | Intel Iris Xe Graphics G7 (80EU) | RTX A1000 Mobile 6GB |
| TGP | 15 W | 95 W |
| Nvidia Optimus | n/a | Yes, Advanced Optimus |
| Graphics Type | Integrated | Discrete |
| Process tech. | 10 nm | 8 nm |
| GPU Frequency | 300 MHz | n/a |
| Boost GPU Frequency | 1250 MHz | n/a |
| FLOPS | 1.6 TFLOPS | 8 TFLOPS |
| Video Memory | n/a | 6 |
| Memory Type | LPDDR5 | GDDR6 |
| Tire Width | n/a | 128 bit |
| Memory speed | 4.8 Gbit/s | 11 Gbit/s |
| Shader Units | 640 | 2048 |
| TMUs | 40 | 64 |
| ROPs | 20 | 32 |
RAM
| RAM Size | 8 GB | 16 GB |
| Channels | 2x4 GB | 1x16 GB |
| Frequency | 4800 MHz | 4800 MHz |
| Type | LPDDR5 | DDR5 |
| Replaceable | No | Yes |
| Total Slots | n/a | 2 |
| Max RAM | n/a | 128 |
Storage
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Type | SSD (M2) | SSD (M2) |
| Channels | 1x256 GB | 1x256 GB |
| Replaceable | Yes | Yes |
| Total Slots | 1 | 4 |
| NVMe | Yes | Yes |
| Storage Capacity | 256 GB | 256 GB |
Sound
| Audio Chipset | Realtek ALC3281 | Realtek ALC3281 |
| Audio Formats | 4.0 | 2.2 |
| Speaker Power | 4x2 W | 4x2 W |
| Dolby Atmos | No | No |
| Microphones | 2 | 2 |
Connectivity
| Wi-Fi version | v6E | v6E |
| Bluetooth version | 5.3 | 5.3 |
| Fingerprint sensor | Optional | Yes |
| IR sensor | Optional | Optional |
| CD drive | No | No |
| Webcam | Above Display | Above Display |
| Webcam Resolution | 1920x1080 | 1920x1080 |
| USB-A | 2x3.2 | 2x3.2 |
| USB-C | 2x4.0 | 3x4.0 |
| Thunderbolt | Thunderbolt 4 | Thunderbolt 4 |
| HDMI | 1x2.0 | 1x2.1 |
| DisplayPort | No | No |
| VGA | No | No |
| 3.5 mm Audio Jack | Yes | Yes |
| Ethernet (RJ45) | No | Yes |
| Card Reader | No | Yes |
| Charging Port | No | Yes |
Keyboard & Touchpad
| Key Type | Island Layout | Island Layout |
| Numeric Keypad | No | Yes |
| Backlight | Optional | Yes |
| Key Travel | n/a | 1.9 mm |
| Size | 13.3x9.0 cm | 11.5x8.0 cm |
| Surface | Plastic | Glass |
| Windows Precision | Yes | Yes |
Note
Dell Precision 7780:
The integrated graphics model features an HDMI 2.0 port, while the discrete one has HDMI 2.1. Has an optional infrared sensor for biometric user authentication using Windows Hello. Maxmemory configuration: 128 GB using CA module and 64 GB using SODI.
*
Attention!
Ports, display type, speakers, and specs may differ by model or country.
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 0
