Compare models
Spec
Lenovo ThinkPad X1 Carbon Gen 12
Lenovo ThinkPad X1 Carbon (2nd Gen)
Lenovo ThinkPad X1 Carbon Gen 4
HP EliteBook 640 G9
Summary
LB Score
52
25
29
75
★
Value
49
42
27
78
★
Price
$1,007
$162
★
$232
$410
Use class
Premium Light
Budget Surf
Budget Office
Mid Gaming
Screen
Diagonal
14
14
14
14
Resolution
1920x1200
2560x1440
1920x1080
1920x1080
Panel type
ips
ips
ips
ips
Brightness
—
—
—
—
Screen quality
51
58
★
50
50
Processor & graphics
CPU score
77
★
27
27
67
GPU type
iGPU
iGPU
iGPU
dGPU
GPU score
0
0
0
44
★
GPU rating
—
—
—
—
Memory
RAM (max)
64 GB
16 GB
32 GB
64 GB
RAM type
LPDDR5X
DDR3
DDR4
DDR4
Storage
Storage (bus)
PCI-E Gen 4.0 (4x)
—
—
PCI-E Gen 4.0 (4x)
Battery
Capacity (Wh)
57.0 Wh
★
50.0 Wh
48.0 Wh
42.0 Wh
Autonomy (est.)
5.0 h
★
4.3 h
4.2 h
1.6 h
Chassis
Weight
1.09 kg
★
1.43 kg
1.50 kg
1.35 kg
Type
Business
Business
Business
Business
Release year
2024
★
2013
2015
2022
Verdict
Best overall: Lenovo ThinkPad X1 Carbon Gen 12 · wins 11 of 26 parameter rows
Why Lenovo ThinkPad X1 Carbon Gen 12 over HP EliteBook 640 G9
- Autonomy (est.): 5.0 h vs 1.6 h (+3.4)
- Capacity (Wh): 57.0 Wh vs 42.0 Wh (+15)
- Reliability: 85 vs 66 (+19)