Compare models
Spec
Lenovo ThinkPad X1 Carbon Gen 12
Lenovo ThinkPad X1 Carbon Gen 4
HP EliteBook 640 G9
HP EliteBook 645 G11
Summary
LB Score
52
29
75
★
67
Value
49
27
78
★
78
Price
$1,007
$232
★
$410
$531
Use class
Premium Light
Budget Office
Mid Gaming
Mid Gaming
Screen
Diagonal
14
14
14
14
Resolution
1920x1200
1920x1080
1920x1080
1920x1200
Panel type
ips
ips
ips
ips
Brightness
—
—
—
—
Screen quality
51
50
50
51
Processor & graphics
CPU score
77
★
27
67
74
GPU type
iGPU
iGPU
dGPU
iGPU
GPU score
0
0
44
★
33
GPU rating
—
—
—
—
Memory
RAM (max)
64 GB
32 GB
64 GB
64 GB
RAM type
LPDDR5X
DDR4
DDR4
DDR5
Storage
Storage (bus)
PCI-E Gen 4.0 (4x)
—
PCI-E Gen 4.0 (4x)
PCI-E Gen 4.0 (4x)
Battery
Capacity (Wh)
57.0 Wh
★
48.0 Wh
42.0 Wh
56.0 Wh
Autonomy (est.)
5.0 h
★
4.2 h
1.6 h
4.9 h
Chassis
Weight
1.09 kg
★
1.50 kg
1.35 kg
1.40 kg
Type
Business
Business
Business
Business
Release year
2024
★
2015
2022
2023
Verdict
Best overall: Lenovo ThinkPad X1 Carbon Gen 12 · wins 11 of 25 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)