Compare models
Spec
Dell Alienware x15 R2
Dell Alienware M15 R7
Lenovo ThinkPad X250
Lenovo ThinkPad X390
Summary
LB Score
72
83
★
29
52
Value
62
69
★
53
56
Price
$737
$1,111
$127
★
$219
Use class
Mid Gaming
Premium Gaming
Budget Surf
Budget Office
Screen
Diagonal
15.6
15.6
12.5
13.3
Resolution
1920x1080
2560x1440
1366x768
1920x1080
Panel type
ips
ips
tn
ips
Brightness
—
—
—
250 nits
Screen quality
50
58
★
45
50
Processor & graphics
CPU score
60
80
★
29
46
GPU type
dGPU
dGPU
iGPU
iGPU
GPU score
83
83
0
0
GPU rating
36%
36%
—
—
Memory
RAM (max)
32 GB
64 GB
★
16 GB
32 GB
RAM type
LPDDR5
DDR5
DDR3
DDR4
Storage
Storage (bus)
PCI-E Gen 4.0 (4x)
PCI-E Gen 4.0 (4x)
—
—
Battery
Capacity (Wh)
87.0 Wh
★
56.0 Wh
48.0 Wh
48.0 Wh
Autonomy (est.)
3.0 h
1.9 h
4.8 h
★
4.6 h
Chassis
Weight
2.27 kg
2.60 kg
1.43 kg
1.30 kg
★
Type
Gaming
Gaming
Business
Business
Release year
2022
2022
2015
2019
Verdict
Best overall: Dell Alienware M15 R7 · wins 15 of 26 parameter rows
Why Dell Alienware M15 R7 over Lenovo ThinkPad X250
- 3D/Video: 95 vs 14 (+81)
- Photo/Design: 97 vs 16 (+81)
- Engineering CAD: 95 vs 19 (+76)