Compare models
Spec
Lenovo ThinkPad L15 Gen 4
Lenovo ThinkPad L480
HP ProBook 640 G4
HP ProBook 6550b
Summary
LB Score
66
★
41
26
18
Value
56
★
55
21
13
Price
$886
$192
$204
$127
★
Use class
Mid Gaming
Budget Surf
Budget Office
Budget Surf
Screen
Diagonal
15.6
14
14
15.6
Resolution
1920x1080
1366x768
1366x768
1366x768
Panel type
ips
tn
tn
tn
Brightness
—
220 nits
—
—
Screen quality
50
★
45
45
45
Processor & graphics
CPU score
68
★
41
21
10
GPU type
dGPU
iGPU
iGPU
dGPU
GPU score
49
★
0
0
0
GPU rating
—
—
—
—
Memory
RAM (max)
64 GB
★
32 GB
32 GB
16 GB
RAM type
DDR4
DDR4
DDR4
DDR3
Storage
Storage (bus)
PCI-E Gen 4.0 (4x)
—
—
—
Battery
Capacity (Wh)
46.5 Wh
48.0 Wh
48.0 Wh
55.0 Wh
★
Autonomy (est.)
1.6 h
4.2 h
4.2 h
1.9 h
Chassis
Weight
1.77 kg
1.70 kg
★
1.93 kg
2.50 kg
Type
Business
Business
Business
Business
Release year
2023
★
2017
2017
2010
Verdict
Best overall: Lenovo ThinkPad L15 Gen 4 · wins 19 of 27 parameter rows
Why Lenovo ThinkPad L15 Gen 4 over HP ProBook 6550b
- GPU score: 49 vs 0 (+49.1)
- Reliability: 68 vs 5 (+63)
- Engineering CAD: 53 vs 4 (+49)