Business computersENERGY STAR certified
HP Elite c640 14 inch G3 Chromebook ENERGY STAR
16 GB notebook computer, model number Elite c640 14 inch G3.
Memory
16 GB
Processor
Intel i7-1265U
Typical electricity use
12.7 kWh/yr
NPU installed
No
Of 980 certified notebook business computers, 427 have a lower typical electricity use than the HP Elite c640 14 inch G3 Chromebook ENERGY STAR (12.7 kWh/yr).
Its certified typical electricity use of 12.7 kWh/yr costs about $1.65 a year at 13¢/kWh.
- Maker
- HP
- Model
- HP Elite c640 14 inch G3 Chromebook ENERGY STAR
- Model number
- Elite c640 14 inch G3
- Type
- Notebook
- Processor
- Intel i7-1265U
- CPU cores
- 10
- Memory
- 16 GB
- NPU installed
- No
- Storage
- SDD
- Screen
- 14 in
- Battery
- 58.8 Wh
- Operating system
- Chrome OS
- Marketed as a workstation
- No
- Typical electricity use
- 12.7 kWh/yr
- Power in sleep
- 0.4 W
- Power at long idle
- 2 W
- Power when off
- 0.2 W
- On the market since
- Jul 2025
- ENERGY STAR certified
- 10 Jul 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: HP Elite c640 14" G3 Chromebook ENERGY STAR, Elite c640 14" G3, Elite c640 14 inch G3, Elite c640 G3, HP Elite c640 14" G3 Chromebook Enterprise ENERGY STAR, HP Elite c640 14 inch G3 Chromebook Enterprise ENERGY STAR, HP Elite c640 G3 Chromebook ENERGY STAR, HP Elite c640 G3 Chromebook Enterprise ENERGY STAR.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4471319, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the HP Elite c640 14 inch G3 Chromebook ENERGY STAR
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Lenovo IdeaPad Duet 5 12IRU8 | Notebook | Raptor Lake I7-1355U | 16 GB | 13.3 kWh/yr |
| Lenovo IdeaPad Pro 5 16IRH8 | Notebook | I7-13700H | 16 GB | 13.1 kWh/yr |
| Lenovo IdeaPad Slim 3 14ITN9 | Notebook | N355 | 16 GB | 12.2 kWh/yr |
| Lenovo IdeaPad Slim 3 15ITN9 | Notebook | N355 | 16 GB | 6.3 kWh/yr |
| Lenovo V14 G6 ITN | Notebook | N250 | 16 GB | 12.1 kWh/yr |
| Lenovo V15 G6 ITN | Notebook | N250 | 16 GB | 13.8 kWh/yr |
HP
More HP business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| HP OmniBook 5 14 inch Laptop AI PC ENERGY STAR | Notebook | Intel Core 7 350 | 16 GB | 9.2 kWh/yr |
| HP Fortis G2m 14 inch Chromebook ENERGY STAR | Notebook | MediaTek Kompanio 540 | 16 GB | 7.6 kWh/yr |
| HP Fortis G2m 11 inch Chromebook ENERGY STAR | Notebook | MediaTek Kompanio 540 | 8 GB | 6.5 kWh/yr |
| Fortis Flip G2m 11 inch | Notebook | MediaTek Kompanio 540 | 16 GB | 6.3 kWh/yr |
| HP ProBook 4 G2iS 14 ENERGY STAR | Notebook | Core 7 350 | 32 GB | 9.2 kWh/yr |
| HSN-I70C | Notebook | Ryzen AI Max+ PRO 495 | 192 GB | 21.7 kWh/yr |
| HP Elite t655 Thin Client | Desktop | R2314 | 8 GB | 26 kWh/yr |
| 14c-cf | Notebook | Snapdragon X1E80100 | 32 GB | 19.9 kWh/yr |