HP computer, ENERGY STAR certified
HP HSN-I45C-4
64 GB notebook computer.
HP EliteBook 840 14 inch G11 Notebook PC (ENERGY STAR)
Memory
64 GB
Processor
Core Ultra 7
Typical electricity use
16.7 kWh/yr
NPU installed
Yes
Of 980 certified notebook business computers, 774 have a lower typical electricity use than the HSN-I45C-4 (16.7 kWh/yr).
Its certified typical electricity use of 16.7 kWh/yr costs about $2.17 a year at 13¢/kWh.
- Maker
- HP
- Model
- HSN-I45C-4
- Type
- Notebook
- Processor
- Core Ultra 7
- CPU cores
- 16
- Memory
- 64 GB
- NPU installed
- Yes
- Storage
- SDD
- Screen
- 14 in
- Battery
- 56 Wh
- Operating system
- Windows 11
- Marketed as a workstation
- No
- Typical electricity use
- 16.7 kWh/yr
- Power in sleep
- 0.7 W
- Power at long idle
- 0.7 W
- Power when off
- 0.3 W
- On the market since
- Mar 2022
- ENERGY STAR certified
- 25 Jul 2025
- Variants covered
- HP EliteBook 840 14 inch G11 Notebook PC (ENERGY STAR)
Certified under the same record
The maker lists these as the same machine or a variant of it: HP EliteBook 1040 14 inch G10 Notebook PC (ENERGY STAR), HP EliteBook 1040 14 inch G9 Notebook PC (ENERGY STAR), HP EliteBook 1040 G9X (ENERGY STAR), HP EliteBook 840 14 inch G10 Notebook PC (ENERGY STAR), HP EliteBook 840 14 inch G9 Notebook PC (ENERGY STAR), HP EliteBook 840 G9X (ENERGY STAR), HP ZBook Fire-fly 14 inch G10 Mobile Workstation PC (ENERGY STAR), HP ZBook Firefly 14 inch G11 Mobile Workstation PC (ENERGY STAR), HP ZBook Firefly 14 inch G9 Mobile Workstation PC (ENERGY STAR), HP ZBook Firefly 14 inch G9X (ENERGY STAR).
Source: ENERGY STAR certified business computers dataset, US EPA, record 4480297, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the HSN-I45C-4
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| DELL P184G | Notebook | Core Ultra 7 | 64 GB | 19.6 kWh/yr |
| ASUS H7606 | Notebook | Ryzen AI 9 | 64 GB | 23.2 kWh/yr |
| Lenovo Yoga Pro 9 16IAH10 | Notebook | Core ULT9 285H | 64 GB | 15.7 kWh/yr |
| Lenovo ThinkPad X1 Carbon Gen 12 | Notebook | Core Ultra 7 165U | 64 GB | 19.2 kWh/yr |
| Lenovo ThinkPad X1 2-in-1 Gen 9 | Notebook | Core Ultra 7 165U | 64 GB | 14.9 kWh/yr |
| Lenovo ThinkBook 16p G6 IAX | Notebook | Intel Core Ultra 9 275HX | 64 GB | 17.8 kWh/yr |
HP
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|---|---|---|---|---|
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| 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 |