Business computersENERGY STAR certified
Acer N23C2
16 GB notebook computer, model number TMB514-31.
Memory
16 GB
Processor
intel(R) Core(TM) 3 N355
Typical electricity use
11.7 kWh/yr
NPU installed
No
Of 980 certified notebook business computers, 321 have a lower typical electricity use than the N23C2 (11.7 kWh/yr).
Its certified typical electricity use of 11.7 kWh/yr costs about $1.52 a year at 13¢/kWh.
- Maker
- Acer
- Model
- N23C2
- Model number
- TMB514-31
- Type
- Notebook
- Processor
- intel(R) Core(TM) 3 N355
- CPU cores
- 8
- Memory
- 16 GB
- NPU installed
- No
- Storage
- SSD
- Screen
- 13.9 in
- Battery
- 53 Wh
- Operating system
- Microsoft Windows 11 Pro
- Marketed as a workstation
- No
- Typical electricity use
- 11.7 kWh/yr
- Power in sleep
- 0.6 W
- Power at long idle
- 0.6 W
- Power when off
- 0.4 W
- On the market since
- Sep 2025
- ENERGY STAR certified
- 7 Oct 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: TMB514-31-G2, TMB514-31-G2-TCO, TMB514-31-TCO, TravelMate B514-31, TravelMate B514-31-TCO.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4510820, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the N23C2
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 |
| HP 16-ag | Notebook | Ryzen 7 | 16 GB | 12 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 |
| HP 14-em | Notebook | Ryzen 7 | 16 GB | 11.2 kWh/yr |
Acer
More Acer business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| N26ED2*** | Notebook | lntel(R) Core(TM) 7 350 | 16 GB | 10 kWh/yr |
| N26ED3*** | Notebook | Intel(R) Core(TM) Ultra 5 338H | 16 GB | 17.3 kWh/yr |
| N26H3*** | Notebook | AMD Ryzen 3500U with Radeon Vega Mobile Gfx | 8 GB | 13.5 kWh/yr |
| N20Q10 | Notebook | Celeron N4500 | 8 GB | 8.9 kWh/yr |
| N26LD1 | Notebook | Core i7 | 8 GB | 10.3 kWh/yr |
| AG15-I31P | Notebook | Core i3 | 8 GB | 12.9 kWh/yr |
| CLNBIWC14 | Notebook | lntel(R) Core(TM) 7 350 | 32 GB | 12.1 kWh/yr |
| CLNBIWC15 | Notebook | lntel(R) Core(TM) 7 350 | 32 GB | 12.9 kWh/yr |