Compare models
Spec
Dell Precision 7780
Dell Precision 7550
Summary
LB Score
74
★
70
Value
37
71
★
Price
$2,099
$566
★
Use class
Premium Gaming
Mid Gaming
Screen
Diagonal
17.3
15.6
Resolution
1920x1080
1920x1080
Panel type
ips
ips
Brightness
500 nits
—
Screen quality
50
50
Processor & graphics
CPU score
67
★
67
GPU type
dGPU
dGPU
GPU score
75
★
50
GPU rating
61%
—
Memory
RAM (max)
128 GB
★
64 GB
RAM type
DDR5
DDR4
Storage
Storage (bus)
PCI-E Gen 4.0 (4x)
PCI-E Gen 3.0 (4x)
Battery
Capacity (Wh)
83.0 Wh
★
68.0 Wh
Autonomy (est.)
2.6 h
★
2.4 h
Chassis
Weight
1.86 kg
★
1.88 kg
Type
Workstation
Workstation
Release year
2023
★
2020
Verdict
Best overall: Dell Precision 7780 · wins 20 of 26 parameter rows
Why Dell Precision 7780 over Dell Precision 7550
- Build quality: 69 vs 30 (+39)
- RAM (max): 128 GB vs 64 GB (+64)
- Reliability: 60 vs 36 (+24)
Is the $1,533 premium worth it?
Over 2 years, Dell Precision 7780 costs ≈ $28.5/mo more to own than Dell Precision 7550 — extra depreciation $23.0/mo plus $5.5/mo the $1,533 premium could earn at 4.21%/yr (US Treasury 3-month bill, as of Nov 2, 2026).