HP EliteBook 840 vs Lenovo ThinkPad X1 Carbon Gen 12
Head-to-head specifications
| Metric | HP EliteBook 840 | Lenovo ThinkPad X1 Carbon Gen 12 | Difference |
|---|---|---|---|
| Performance index | 2,600 | 2,600 | — |
| Battery life (h) | 14 | 15 | -6.7% |
| Weight (kg) | 1.36 | 1.09 | — |
| RAM / storage | 16GB / 512GB | 16GB / 512GB | — |
| Price (USD) | $1,699 | $1,699 | — |
- HP EliteBook 840 is about 0% faster. Lenovo ThinkPad X1 Carbon Gen 12 lasts longer on battery (15h).
- Lenovo ThinkPad X1 Carbon Gen 12 is the more portable at 1.09 kg.
Verdict: EliteBook 840 or ThinkPad X1 Carbon Gen 12?
HP EliteBook 840 advantages
- No decisive advantage on the tracked metrics.
Lenovo ThinkPad X1 Carbon Gen 12 advantages
- Battery life (+7%)
- Portability (+20%)
Which should you choose?
- Choose the Lenovo ThinkPad X1 Carbon Gen 12 if long unplugged battery life is essential.
Value for money
HP EliteBook 840 delivers more performance per dollar, making it the better value of the two at their listed prices.
HP EliteBook 840 vs Lenovo ThinkPad X1 Carbon Gen 12: which should you choose?
HP EliteBook 840 — HP business laptop (2024) with the Intel Core Ultra 7, 16GB RAM, a 14-inch display, 1.36 kg weight and about 14 h battery life; from $1,699.
Lenovo ThinkPad X1 Carbon Gen 12 — Lenovo ultrabook laptop (2024) with the Intel Core Ultra 7, 16GB RAM, a 14-inch display, 1.09 kg weight and about 15 h battery life; from $1,699.
HP EliteBook 840 vs Lenovo ThinkPad X1 Carbon Gen 12: HP EliteBook 840 is the faster laptop. HP EliteBook 840 is about 0% faster. Lenovo ThinkPad X1 Carbon Gen 12 lasts longer on battery (15h). Lenovo ThinkPad X1 Carbon Gen 12 is the more portable at 1.09 kg.
Performance
The HP EliteBook 840 is the faster machine on our normalized index (2,600 vs 2,600), thanks to its Intel Core Ultra 7. That gap matters most for video editing, compiling, 3D and gaming; for browsing and office work both feel quick.
Portability and battery
The Lenovo ThinkPad X1 Carbon Gen 12 is easier to carry at 1.09 kg, and the Lenovo ThinkPad X1 Carbon Gen 12 lasts longer unplugged (about 15 h). For commuters and travellers these often matter more day-to-day than peak performance.
Configuration and value
These are base configurations — RAM, storage and display upgrades change both price and experience. Compare like-for-like specs and check current pricing before buying.
The verdict
Both are credible choices in the laptop comparison space; the specification table above lays out every metric so you can weigh the trade-offs that matter to you. Pick the one whose strengths line up with how you will actually use it.
Frequently asked questions
Is the HP EliteBook 840 better than the Lenovo ThinkPad X1 Carbon Gen 12?
Lenovo ThinkPad X1 Carbon Gen 12 is the clearly stronger overall choice, winning most of the dimensions that matter. HP EliteBook 840 is about 0% faster. Lenovo ThinkPad X1 Carbon Gen 12 lasts longer on battery (15h).
What is the main difference between the HP EliteBook 840 and the Lenovo ThinkPad X1 Carbon Gen 12?
HP EliteBook 840 is about 0% faster. Lenovo ThinkPad X1 Carbon Gen 12 lasts longer on battery (15h). Lenovo ThinkPad X1 Carbon Gen 12 is the more portable at 1.09 kg.
Which is better value?
HP EliteBook 840 delivers more performance per dollar, making it the better value of the two at their listed prices.
Which should I choose?
Choose the Lenovo ThinkPad X1 Carbon Gen 12 if long unplugged battery life is essential.
Methodology
Laptops are compared on a normalized performance index (combining CPU and, where relevant, GPU capability), rated battery life, weight, display size, memory and starting price. Configurations vary widely, so we use representative base specifications; verify the exact configuration and current price before purchase.