Compare models
Spec
Lenovo ThinkPad P72
Lenovo ThinkPad P51
Dell Alienware 15 R3
Dell Latitude E5470
Summary
LB Score
59
★
46
54
42
Value
65
58
47
65
Price
$462
$340
$509
$167
★
Use class
Mid Gaming
Mid Office
Mid Gaming
Budget Office
Screen
Diagonal
17.3
15.6
15.6
14
Resolution
1920x1080
1920x1080
1920x1080
1366x768
Panel type
ips
ips
ips
tn
Brightness
—
—
—
200 nits
Screen quality
50
50
50
45
Processor & graphics
CPU score
60
★
52
40
48
GPU type
dGPU
dGPU
dGPU
dGPU
GPU score
39
18
46
★
12
GPU rating
9%
★
5%
—
2%
Memory
RAM (max)
32 GB
32 GB
64 GB
★
32 GB
RAM type
DDR4
DDR4
DDR4
DDR4
Storage
Storage (bus)
—
—
—
—
Battery
Capacity (Wh)
68.0 Wh
68.0 Wh
80.0 Wh
★
47.0 Wh
Autonomy (est.)
2.2 h
2.4 h
2.8 h
★
1.8 h
Chassis
Weight
3.40 kg
2.60 kg
3.50 kg
1.75 kg
★
Type
Workstation
Workstation
Gaming
Business
Release year
2018
2017
2019
★
2015
Verdict
Best overall: Dell Alienware 15 R3 · wins 11 of 29 parameter rows
Why Dell Alienware 15 R3 over Lenovo ThinkPad P72
- RAM (max): 64 GB vs 32 GB (+32)
- Upgrade potential: 100 vs 50 (+50)
- CPU/GPU balance: 0.87 vs 0.66 (+0.2)