Compare models
Spec
HP EliteBook 820 G4
HP EliteBook 840 G4
Lenovo ThinkPad X1 Carbon Gen 9
Lenovo ThinkPad X1 Carbon (3rd Gen)
Summary
LB Score
24
27
47
★
28
Value
17
32
62
★
49
Price
$246
$146
★
$297
$152
Use class
Budget Office
Budget Surf
Budget Light
Budget Surf
Screen
Diagonal
12.5
14
14
14
Resolution
1920x1080
1920x1080
1920x1080
2560x1440
Panel type
ips
tn
ips
ips
Brightness
—
300 nits
—
—
Screen quality
50
50
50
58
★
Processor & graphics
CPU score
21
21
59
★
29
GPU type
iGPU
iGPU
iGPU
iGPU
GPU score
0
0
0
0
GPU rating
—
—
—
—
Memory
RAM (max)
32 GB
32 GB
64 GB
★
16 GB
RAM type
DDR4
DDR4
DDR4
DDR3
Storage
Storage (bus)
—
—
—
—
Battery
Capacity (Wh)
48.0 Wh
48.0 Wh
48.0 Wh
48.0 Wh
Autonomy (est.)
4.8 h
★
4.2 h
4.2 h
4.2 h
Chassis
Weight
1.26 kg
1.74 kg
1.15 kg
★
1.30 kg
Type
Business
Business
Business
Business
Release year
2016
2016
2020
★
2015
Verdict
Best overall: Lenovo ThinkPad X1 Carbon Gen 9 · wins 16 of 25 parameter rows
Why Lenovo ThinkPad X1 Carbon Gen 9 over HP EliteBook 840 G4
- CPU score: 59 vs 21 (+38.2)
- Market popularity: 1.00 vs 0.41 (+0.6)
- Reliability: 37 vs 17 (+20)