| 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 8 |
| Model Number |
| 1,951 |
1983 |
| Additional Model Information |
| ,1950, |
,1982, |
| Date Available On Market |
| April 13, 2021 |
September 22, 2021 |
| Date Certified |
| January 15, 2021 |
August 5, 2021 |
| Markets |
| United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
| CB Model Identifier |
| ES_21335_1951_01182021114441_9322109 |
ES_21335_1983_08052021145426_3220537 |
| 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 |
1 |
| Category 2: Processor Brand |
| Intel |
Intel |
| Category 2: Processor Name |
| Core i7 |
Core i7 |
| Category 2: Operating System Name |
| Windows 10 |
Windows 10,, Windows 11 |
| Category 2: Base Processor Speed Per Core (GHz) |
| 3 |
3 |
| Category 2: Physical CPU Cores (count) |
| 4 |
4 |
| Category 2: System Memory (GB) |
| 32 |
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 |
0.3 |
| Category 2: Sleep Mode (watts) |
| 1 |
0.5 |
| Category 2: Long Idle (watts) |
| 1 |
0.5 |
| Category 2: Short Idle (watts) |
| 3 |
4.4 |
| Category 2: Base TEC Allowance (kWh) |
| 14 |
14 |
| Category 2: Functional Adder Allowances (kWh) |
| 22 |
23.4 |
| Category 2: TEC of Model (kWh) |
| 12 |
14 |
| 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 |
August 5, 2021 |
