Compare models
Spec
HP ProBook 640 G4
HP ProBook 6560b
Summary
LB Score
26
★
21
Value
21
★
21
Price
$204
$127
★
Use class
Budget Office
Budget Surf
Screen
Diagonal
14
15.6
Resolution
1366x768
1366x768
Panel type
tn
tn
Brightness
—
—
Screen quality
45
45
Processor & graphics
CPU score
21
★
13
GPU type
iGPU
dGPU
GPU score
0
1
★
GPU rating
—
—
Memory
RAM (max)
32 GB
★
8 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
1.93 kg
★
2.62 kg
Type
Business
Business
Release year
2017
★
2011
Verdict
Best overall: HP ProBook 640 G4 · wins 16 of 24 parameter rows
Why HP ProBook 640 G4 over HP ProBook 6560b
- Market popularity: 0.42 vs 0.01 (+0.4)
- Mobility: 42 vs 9 (+33)
- RAM (max): 32 GB vs 8 GB (+24)
Is the $77 premium worth it?
Over 2 years, HP ProBook 640 G4 costs ≈ $1.0/mo more to own than HP ProBook 6560b — extra depreciation $0.7/mo plus $0.3/mo the $77 premium could earn at 4.21%/yr (US Treasury 3-month bill, as of Nov 3, 2026).