Compare models
Spec
HP ProBook 650 G3
HP ProBook 6550b
Lenovo ThinkPad P71
HP ZBook x2 G4
Summary
LB Score
23
18
43
★
42
Value
14
13
42
★
42
Price
$282
$127
★
$532
$385
Use class
Budget Office
Budget Surf
Premium Work
Mid Office
Screen
Diagonal
15.6
15.6
17.3
14
Resolution
1920x1080
1366x768
1920x1080
3840x2160
Panel type
tn
tn
ips
ips
Brightness
—
—
—
—
Screen quality
50
45
50
81
★
Processor & graphics
CPU score
21
10
53
★
41
GPU type
iGPU
dGPU
dGPU
dGPU
GPU score
0
0
18
18
GPU rating
—
—
—
—
Memory
RAM (max)
32 GB
16 GB
32 GB
32 GB
RAM type
DDR4
DDR3
DDR4
DDR4
Storage
Storage (bus)
—
—
—
—
Battery
Capacity (Wh)
48.0 Wh
55.0 Wh
68.0 Wh
★
61.0 Wh
Autonomy (est.)
3.5 h
★
1.9 h
2.2 h
2.3 h
Chassis
Weight
2.31 kg
2.50 kg
3.30 kg
2.20 kg
★
Type
Business
Business
Workstation
Convertible (2-in-1)
Release year
2016
2010
2017
2017
Verdict
Best overall: HP ZBook x2 G4 · wins 6 of 17 parameter rows
Why HP ZBook x2 G4 over Lenovo ThinkPad P71
- Portability: 47 vs 6 (+41.5)
- Mobility: 42 vs 10 (+32)
- Screen quality: 81 vs 50 (+31.1)