In the ever-evolving world of kitchen appliances, microwave ovens have moved far beyond their original function of simply reheating food. Today’s models boast innovative technologies, sleek designs, and multi-functional features, catering to both casual cooks and culinary enthusiasts. Emerson, a renowned name in home appliances, offers several microwave models that promise reliability, performance, and convenience.
Two of their popular countertop options, the Emerson MW1338SB and the Emerson MWI1212SS Microwave Oven with Inverter, have caught the attention of consumers looking for quality, efficiency, and versatility in a microwave. While both models share the Emerson brand reputation, they differ significantly in features, cooking technologies, and overall kitchen utility. Understanding these differences is essential for selecting the model that best suits your cooking habits, kitchen space, and lifestyle.
This guide dives deep into these two models, comparing them across performance, features, energy efficiency, usability, and more to help you make an informed decision.
| Feature/Specification | Emerson MW1338SB | Emerson MWI1212SS with Inverter |
|---|---|---|
| Type | Countertop Microwave | Countertop Microwave with Inverter |
| Capacity | 1.3 cu. ft. | 1.2 cu. ft. |
| Power Output | 1100 Watts | 1200 Watts |
| Cooking Technology | Standard | Inverter Technology |
| Control Type | Touchpad | Touch Control with Digital Display |
| Preset Programs | 6 Auto Cook Options | Multiple Auto Cook and Defrost Programs |
| Turntable Diameter | 13.5 inches | 12.5 inches |
| Exterior Finish | Stainless Steel | Stainless Steel |
| Energy Efficiency | Standard | Enhanced with Inverter Tech |
| Warranty | 1 Year | 1 Year |
| Price Range | Moderate | Slightly Higher |
At a glance, the MW1338SB and MWI1212SS seem similar-they’re both compact, stainless steel countertop microwaves designed for everyday use. However, their underlying technology and performance capabilities reveal marked differences:
These distinctions influence not just cooking outcomes but also energy consumption, speed, and versatility.
The Emerson MW1338SB is a straightforward, dependable countertop microwave designed for families and individuals seeking efficiency without unnecessary complexity.
It boasts a classic stainless steel finish that fits seamlessly into modern and traditional kitchens alike. Its slightly larger 1.3 cu. ft. capacity accommodates bigger plates and bowls, while the 13.5-inch turntable ensures even rotation of food.
Operating at 1100 watts, the MW1338SB heats and cooks food quickly. However, its conventional microwave technology heats in intervals of full power, which can sometimes lead to uneven cooking or overheating of edges while the center remains cold.
Equipped with a basic touchpad, six auto cook programs, and a simple digital display, it prioritizes ease of use. The pre-programmed functions cover staples like popcorn, pizza, and beverages.
This model suits users who want a reliable, high-capacity microwave for routine cooking and reheating without the complexity of advanced features.

Emerson MW1338SB Countertop Microwave Oven Review
The Emerson MWI1212SS represents a more advanced option in Emerson’s lineup, targeting users who value precision, versatility, and consistent cooking results.
Slightly smaller in capacity at 1.2 cu. ft., it retains a sleek stainless steel exterior and a 12.5-inch turntable. Its compact footprint is ideal for kitchens with limited counter space.
With 1200 watts of power combined with inverter technology, this model ensures continuous, even cooking at variable power levels. This prevents common microwave issues like overcooked edges or undercooked centers, making it ideal for delicate foods like fish, sauces, or baked goods.
The MWI1212SS features a more sophisticated touch control panel with multiple auto cook and defrost settings. Users can also fine-tune cooking times and power levels, giving more control over complex dishes.
Perfect for households that cook a variety of foods regularly, particularly those requiring precise temperature control, faster cooking, and energy-efficient performance.

Emerson MWI1212SS Microwave Oven With Inverter Review
| Feature | MW1338SB | MWI1212SS |
|---|---|---|
| Auto Cook Options | 6 | 10+ |
| Defrost Settings | Standard | Advanced, by weight and time |
| Power Levels | 10 | 10 (with smooth inverter modulation) |
| Turntable | 13.5-inch | 12.5-inch |
| Child Lock | Yes | Yes |
| Timer & Delay Start | Basic | Advanced |
| Interior Light | Standard | Bright LED |


The MW1338SB offers reliability, larger capacity, and ease of use at a reasonable price, making it a solid choice for straightforward cooking tasks. Meanwhile, the MWI1212SS, with its inverter technology, higher power, and enhanced presets, provides superior cooking performance, energy efficiency, and precision for a slightly higher investment.
Choosing between them comes down to whether you prioritize capacity and simplicity (MW1338SB) or precision and advanced functionality (MWI1212SS).
The Emerson MW1338SB offers a cooking capacity of 1.3 cubic feet, which is slightly larger than the Emerson MWI1212SS’s 1.2 cubic feet. This difference makes the MW1338SB better suited for families or for cooking larger dishes, while the MWI1212SS is more compact and may fit smaller kitchen spaces more easily.
Yes, both the Emerson MW1338SB and MWI1212SS feature inverter technology. This technology allows for more precise and consistent power delivery compared to traditional microwaves. It helps in evenly cooking or defrosting food, reduces the likelihood of overcooked edges and undercooked centers, and allows for gentler heating of delicate items like fish or chocolate.
The Emerson MW1338SB operates at 1200 watts of cooking power with multiple preset and customizable power levels, while the Emerson MWI1212SS operates at slightly lower power, typically around 1100 watts. Both provide efficient cooking, but the MW1338SB may cook food slightly faster and handle denser foods more effectively due to its higher wattage.
The MW1338SB has a stainless steel exterior with a full digital control panel, offering intuitive presets and a larger display. The MWI1212SS also features a stainless steel design but with a slightly more compact footprint and may include simplified controls suitable for users seeking straightforward operation. Both designs are modern, but the MW1338SB emphasizes advanced functionality and aesthetics.
Both microwaves are relatively energy-efficient due to their inverter technology, which reduces power spikes and conserves energy during cooking. The MW1338SB, with its higher wattage, may consume slightly more electricity per use but compensates with faster cooking times. For everyday use, both models are practical, but the choice depends on whether you prioritize faster cooking (MW1338SB) or a slightly smaller, more compact design (MWI1212SS).