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Frigidaire Curtis EFMIS151 Mini Portable Compact vs Frigidaire EFR331 Single Door Compact Refrigerator

Updated July 2026 — Frigidaire Curtis EFMIS151 Mini Portable Compact wins on capacity, Frigidaire EFR331 Single Door Compact Refrigerator wins on power and weight.

The Frigidaire EFR331 offers more storage and organization, making it a better choice for those needing a compact refrigerator. The EFMIS151 is ideal for portability and personal use.

Why Frigidaire Curtis EFMIS151 Mini Portable Compact is better

Price

EFMIS151 is significantly cheaper at $35.58.

Portability

EFMIS151 is lightweight and designed for on-the-go use.

Cooling Technology

EFMIS151 uses a thermoelectric system for quiet operation.

Why Frigidaire EFR331 Single Door Compact Refrigerator is better

Capacity

EFR331 has a larger capacity of 3.2 cubic feet.

Organization

EFR331 features multiple shelves and a can dispenser.

Cooling Efficiency

EFR331 uses a compressor for better cooling performance.

Overall score

Frigidaire Curtis EFMIS151 Mini Portable Compact
65
Frigidaire EFR331 Single Door Compact Refrigerator
85

Specifications

SpecFrigidaire Curtis EFMIS151 Mini Portable CompactFrigidaire EFR331 Single Door Compact Refrigerator
Cooling TypeThermoelectricCompressor
ShelvesNone2 Glass
Door TypeStandardReversible
Power OptionsAC/DCAC
DesignRetroRetro with Blackboard

Dimension comparison

Frigidaire Curtis EFMIS151 Mini Portable CompactFrigidaire EFR331 Single Door Compact Refrigerator

Overview of the Products

The Frigidaire Curtis EFMIS151 Mini Portable Compact Personal Cooler Fridge is priced at $35.58, making it a budget-friendly option for those in need of a portable cooling solution. In contrast, the Frigidaire EFR331 Single Door Compact Refrigerator is priced at $137.00, which is about 285% more than its mini counterpart. This article will explore the differences between these two refrigerators, including their design, capacity, and functionality.

Design and Aesthetics

The Frigidaire Curtis EFMIS151 boasts a retro charm that adds a touch of vintage flair to any space. Its compact design and bright color options make it visually appealing, especially for personal use in bedrooms or at events. On the other hand, the Frigidaire EFR331 features a sleek and stylish design that incorporates a blackboard front, allowing users to write and erase messages, adding a unique and functional element to its aesthetic. While both products offer a retro vibe, the EFR331's customizable front provides an additional layer of personalization that the EFMIS151 does not.

Capacity and Storage

When it comes to storage, the Frigidaire Curtis EFMIS151 has a capacity of 4 liters, which can accommodate up to 6 cans of beverages. This mini fridge is designed for portability, making it ideal for on-the-go usage or small personal spaces. In contrast, the Frigidaire EFR331 has a significantly larger capacity of 3.2 cubic feet, providing ample space for bottles, snacks, and other food items. This larger capacity makes the EFR331 more suitable for dorm rooms, offices, or small apartments where more storage is essential.

Cooling Technology

The cooling mechanisms of the two products are quite different. The Frigidaire Curtis EFMIS151 utilizes a thermoelectric cooling system, allowing it to operate quietly and efficiently while chilling items to temperatures 26-28 degrees Fahrenheit below the ambient temperature. This feature is particularly beneficial for maintaining the freshness of skincare products. Meanwhile, the Frigidaire EFR331 employs a traditional compressor cooling system, which is generally more effective for maintaining lower temperatures over a larger space. The choice between these cooling technologies may depend on whether a user prioritizes portability or overall cooling efficiency.

Portability

Portability is a standout feature of the Frigidaire Curtis EFMIS151, weighing only 3 lbs and equipped with a convenient carrying handle. It comes with both home and 12V car power adapters, making it the perfect companion for road trips or tailgating. Conversely, the Frigidaire EFR331, while compact for a refrigerator, is not designed for portability. It is best suited for stationary use in small living spaces. If the primary need is for on-the-go cooling, the EFMIS151 is the clear winner.

Organization and Usability

The Frigidaire EFR331 excels in organization and usability with its two glass shelves and a dedicated 2L door basket for larger bottles. This design allows for better organization of food and beverages, making it easier to find what you need. Additionally, it features a built-in can dispenser and a chiller compartment with an ice cube tray, which enhances its usability for everyday storage needs. In contrast, the EFMIS151 offers a more straightforward design without extensive organization features, focusing primarily on the compact storage of drinks and snacks.

Price Comparison

Price is a significant differentiator between these two products. The Frigidaire Curtis EFMIS151 is priced at $35.58, while the Frigidaire EFR331 is priced at $137.00. This represents a price difference of approximately $101.42, making the EFMIS151 about 74% cheaper. For budget-conscious consumers or those who only need a small cooling solution, the EFMIS151 provides excellent value. However, for those needing more robust storage capacity and features, the higher price of the EFR331 may justify its cost.

Target Audience

The Frigidaire Curtis EFMIS151 is aimed at individuals or small users looking for a portable and compact solution for personal cooling needs, such as skincare or beverages. Its lightweight design and versatility make it perfect for casual use. In contrast, the Frigidaire EFR331 targets users who require more substantial refrigeration capabilities, such as students in dorms or professionals in small offices. The larger capacity and organized storage options cater to a different lifestyle, making it a better choice for those needing to store a variety of food and drink items.

Which should you buy?

Choosing between the Frigidaire Curtis EFMIS151 and the Frigidaire EFR331 ultimately depends on your specific needs. If you seek a portable and budget-friendly option primarily for beverages or skincare products, the EFMIS151, priced at $35.58, stands out as a convenient choice. However, if you require greater storage capacity, organization, and versatility for a wide range of food items, the EFR331, priced at $137.00, may be worth the investment. Each product has its unique strengths, making the choice largely dependent on individual requirements and lifestyle.