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Spec

Lenovo ThinkPad X1 Carbon Gen 9

Lenovo ThinkPad X1 Carbon Gen 4

Fit for your profile

54 ★

Summary

LB Score

47 ★

Value

62 ★

Price

$297

$232 ★

Use class

Budget Light

Budget Office

Screen

Diagonal

Resolution

1920x1080

Panel type

ips

Brightness

—

Screen quality

Processor & graphics

CPU score

59 ★

GPU type

iGPU

GPU score

GPU rating

—

Memory

RAM (max)

64 GB ★

32 GB

RAM type

DDR4

Storage

Storage (bus)

—

Battery

Capacity (Wh)

48.0 Wh

Autonomy (est.)

4.2 h

Chassis

Weight

1.15 kg ★

1.50 kg

Type

Business

Release year

2020 ★

2015

Verdict

Best overall: Lenovo ThinkPad X1 Carbon Gen 9 · wins 18 of 22 parameter rows

Why Lenovo ThinkPad X1 Carbon Gen 9 over Lenovo ThinkPad X1 Carbon Gen 4

Market popularity: 1.00 vs 0.25 (+0.8)
Reliability: 37 vs 15 (+22)
Value: 62 vs 27 (+34.3)

Is the $65 premium worth it?

Over 2 years, Lenovo ThinkPad X1 Carbon Gen 9 costs ≈ $0.9/mo more to own than Lenovo ThinkPad X1 Carbon Gen 4 — extra depreciation $0.6/mo plus $0.2/mo the $65 premium could earn at 4.16%/yr (US Treasury 3-month bill, as of Oct 30, 2026).

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Verdict

Why Lenovo ThinkPad X1 Carbon Gen 9 over Lenovo ThinkPad X1 Carbon Gen 4

Is the $65 premium worth it?

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