Dell Precision 7780 vs Dell XPS 16 (9640)

[ VERDICT ] Winner: Dell XPS 16 (9640) (88/100)

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Dell Precision 7780 (46/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell Precision 7780 Dell XPS 16 (9640)
Gaming 28.0 Poor 84.0 Very Good WINNER
NanoReview Score 46.0 Poor 88.0 Very Good WINNER
Performance 77.0 Good 89.0 Very Good WINNER
Battery Life 82.0 Very Good
Display 96.0 Excellent

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Battery type Li-Ion
Cable length 1 meters
Charge power 180 / 240 W
Charging port position Left
Charging via USB (Power Delivery) Yes
Fast charging Yes
Full charging time 2:00 hr
Replaceable No
Voltage 11.55 V
Weight of AC adapter 480 / 670 grams
Battery Wh 99.5 Wh

CPU

CPU specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Base frequency 2.1 GHz
Cores 20 (8P + 12E)
Fabrication process 10 nm
Integrated GPU Intel UHD Graphics (32EU)
L3 Cache 30 MB
Threads 28
Turbo frequency 5.3 GHz

Case

Case specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Area 1055 cm2(163.4 inches2)
Colors Gray
Cooling system Active
Dimensions 398 x 265.02 x 25.95-28.5 mm15.67 x 10.43 x 1.02-1.12 inches
Liquid metal No
Material Top: AluminumMiddle: PlasticBottom: Aluminum
Number of fans 2
Opening angle 180°
Screen-to-body ratio ~78.2%
Side bezels 7.5 mm
Transformer No
Vapor chamber No
Weight 3.05 kg (6.73 lbs) 2.20 kg (4.85 lbs) CNC Aluminum

Connectivity

Connectivity specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Audio jack (3.5 mm) Yes
Bluetooth v5.3
DisplayPort No
Ethernet (RJ45) Yes
Fingerprint Yes
HDMI 1x HDMI 2.1
Infrared sensor Optional
Optical drive No
Proprietary charging port Yes
SD card reader Yes
Thunderbolt Thunderbolt 4
USB Type-C 3x USB 4.0
USB-A 2x USB 3.2
VGA No
Webcam Above the display
Webcam resolution 1920 x 1080
Wi-Fi standard v6E

Display

Display specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Ambient light sensor Yes
Aspect ratio 16:9
Coating Matte
Contrast 1000:1
DCI-P3 color gamut 99%
HDR support No
PPI 127 ppi
Refresh rate 60 Hz
Resolution 1920 x 1080 pixels
Response time 35 ms
Size 17.3 inches
Sync technology No
Touchscreen No
Type IPS LCD
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400)

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Blender GPU 1302
Solar Bay 22858

Graphics Card

Graphics Card specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
FLOPS 8 TFLOPS
GPU performance 8 TFLOPS
Memory bus 128 bit
Memory size 6 GB
Memory speed ~11 Gbps
Memory type GDDR6
Nvidia Optimus Yes, Advanced Optimus
Raster operations pipelines (ROPs) 32
Shading units (cores) 2048
TGP 95 W
Texture mapping units (TMUs) 64

Input

Input specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Backlight Yes
Key travel 1.9 mm
Keyboard type Island
Numpad Yes
Surface Glass
Windows Precision Yes

RAM

RAM specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Channels 1x16 GB
Clock 4800 MHz
Max. ram size 128 GB
Total slots 2
Upgradable Yes

Sound

Sound specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Audio chip Realtek ALC3281
Dolby Atmos No
Microphones 2
Power 4x2W
Speakers 2.2 (2 tweeters and 2 woofers)

Storage

Storage specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Bus PCI-E Gen 4.0 (4x)
NVMe Yes
Storage type SSD (M2)

Design

Design specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Weight 3.05 kg (6.73 lbs) 2.20 kg (4.85 lbs) CNC Aluminum

Performance

Performance specifications comparison
Specification Dell Precision 7780 Dell XPS 16 (9640)
Cpu Intel Core Ultra 7 155H (16 cores, up to 4.8 GHz, Intel AI Boost)
Gpu NVIDIA GeForce RTX 4070 Laptop (8 GB GDDR6, 60W)
Ram 32 GB LPDDR5X-7467 MHz
Storage 1 TB PCIe 4.0 NVMe SSD

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