| ENERGY STAR Partner |
| Microsoft Corporation |
Microsoft Corporation |
| Product Category |
| Computers |
Computers |
| Type |
| Notebook |
Slate/Tablet |
| Brand Name |
| Microsoft |
Microsoft |
| Model Name |
| Surface Laptop 4 |
Surface Pro 9 |
| Model Number |
| 1,959 |
2038 |
| Additional Model Information |
| ,1958, |
N/A |
| Date Available On Market |
| April 13, 2021 |
October 11, 2022 |
| Date Certified |
| January 15, 2021 |
September 14, 2022 |
| Markets |
| United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
| CB Model Identifier |
| ES_21335_1959_01182021092721_3166979 |
ES_21335_2038_06092022092343_4178174 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| Fuel Type |
| Notebook |
Slate/Tablet |
| Touch Screen |
| Yes |
Yes |
| Notebooks, Desktops, Integrated Computers, Slate/Tablets, Two-in-one Notebooks, and Portable All-in-ones Category for TEC (Typical Energy Consumption) Criteria |
| 2 |
2 |
| Category 2: Processor Brand |
| AMD |
Intel |
| Category 2: Processor Name |
| Ryzen 7 |
Core i7 |
| Category 2: Operating System Name |
| Windows 10 |
Windows 11 |
| Category 2: Base Processor Speed Per Core (GHz) |
| 2 |
2.6 |
| Category 2: Physical CPU Cores (count) |
| 8 |
10 |
| Category 2: System Memory (GB) |
| 16 |
32 |
| Category 2: Default Low-power Mode |
| ALPM |
ALPM |
| Category 2: Long Idle Power Used for Sleep Mode |
| No |
No |
| Category 2: Off Mode (watts) |
| 0 |
0.2 |
| Category 2: Sleep Mode (watts) |
| 1 |
0.8 |
| Category 2: Long Idle (watts) |
| 1 |
0.8 |
| Category 2: Short Idle (watts) |
| 4 |
4.9 |
| Category 2: Base TEC Allowance (kWh) |
| 14 |
14 |
| Category 2: Functional Adder Allowances (kWh) |
| 17 |
23.4 |
| Category 2: TEC of Model (kWh) |
| 14 |
16.6 |
| Ethernet Capability |
| No |
No |
| Sleep Mode Default Time Upon Shipment (min.) |
| 10 |
10 |
| Display Sleep Mode Default Time Upon Shipment (min.) |
| 10 |
10 |
| Date Qualified |
| January 15, 2021 |
September 14, 2022 |
