Compare models
Spec
HP ProBook 640 G5
HP ProBook 6550b
Summary
LB Score
38
★
18
Value
51
★
13
Price
$182
$127
★
Use class
Budget Surf
Budget Surf
Screen
Diagonal
14
15.6
Resolution
1920x1080
1366x768
Panel type
ips
tn
Brightness
—
—
Screen quality
50
★
45
Processor & graphics
CPU score
36
★
10
GPU type
iGPU
dGPU
GPU score
0
0
GPU rating
—
—
Memory
RAM (max)
32 GB
★
16 GB
RAM type
DDR4
DDR3
Storage
Storage (bus)
—
—
Battery
Capacity (Wh)
48.0 Wh
55.0 Wh
★
Autonomy (est.)
4.2 h
★
1.9 h
Chassis
Weight
1.95 kg
★
2.50 kg
Type
Business
Business
Release year
2019
★
2010
Verdict
Best overall: HP ProBook 640 G5 · wins 19 of 25 parameter rows
Why HP ProBook 640 G5 over HP ProBook 6550b
- Market popularity: 0.66 vs 0.00 (+0.7)
- Reliability: 31 vs 5 (+26)
- Engineering CAD: 23 vs 4 (+19)
Is the $54 premium worth it?
Over 2 years, HP ProBook 640 G5 costs ≈ $0.7/mo more to own than HP ProBook 6550b — extra depreciation $0.5/mo plus $0.2/mo the $54 premium could earn at 4.21%/yr (US Treasury 3-month bill, as of Nov 3, 2026).