Compare models
Spec
Dell Precision 7770
Dell Precision 7550
Summary
LB Score
72
★
70
Value
37
71
★
Price
$1,739
$566
★
Use class
Premium Gaming
Mid Gaming
Screen
Diagonal
17.3
15.6
Resolution
1920x1080
1920x1080
Panel type
ips
ips
Brightness
—
—
Screen quality
50
50
Processor & graphics
CPU score
62
67
★
GPU type
dGPU
dGPU
GPU score
83
★
50
GPU rating
—
—
Memory
RAM (max)
128 GB
★
64 GB
RAM type
DDR4
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
3.00 kg
1.88 kg
★
Type
Workstation
Workstation
Release year
2022
★
2020
Verdict
Best overall: Dell Precision 7770 · wins 18 of 27 parameter rows
Why Dell Precision 7770 over Dell Precision 7550
- Build quality: 69 vs 30 (+39)
- RAM (max): 128 GB vs 64 GB (+64)
- GPU score: 83 vs 50 (+33)
Is the $1,173 premium worth it?
Over 2 years, Dell Precision 7770 costs ≈ $21.8/mo more to own than Dell Precision 7550 — extra depreciation $17.6/mo plus $4.2/mo the $1,173 premium could earn at 4.21%/yr (US Treasury 3-month bill, as of Nov 2, 2026).