Dewalt 791 vs. 800: Which is Better for Your DIY Projects?

When it comes to power tools, Dewalt is a name that stands tall in the world of construction and DIY. Their cordless drills, in particular, have gained immense popularity for their reliability and performance. But with so many models to choose from, how do you decide which one is right for you?

Here’s a comparison table summarizing the key differences between the Dewalt 791 and Dewalt 800:

FeatureDewalt 791Dewalt 800
Power and Performance20-volt motor, 2,000 RPM22-volt motor, 2,500 RPM
Battery Life2.0 Ah battery, 30-45 mins4.0 Ah battery, 1-1.5 hours
Size and WeightCompact and lightweightSlightly bulkier and heavier
PriceBudget-friendlyHigher cost, more features
Chuck Size1/2-inch1/2-inch
LED Work LightYes, integratedYes, integrated
Warranty and DurabilityDewalt standard warranty, known for durabilityDewalt standard warranty, known for durability
Additional FeaturesKits may include extra batteries, carrying case, and drill bitsKits may include extra batteries, carrying case, and drill bits

1. Power and Performance

One of the first things you’ll want to consider when comparing these two models is their power and performance. After all, a drill’s ability to get the job done efficiently often comes down to these factors.

  • Dewalt 791: This model boasts a powerful 20-volt motor that delivers a maximum speed of 2,000 RPM. It’s perfect for a wide range of drilling and fastening applications, from driving screws into wood to boring holes through metal.
  • Dewalt 800: On the other hand, the Dewalt 800 features a robust 22-volt motor that can achieve an impressive 2,500 RPM. This extra power can make a significant difference, especially when tackling tougher materials.

Example: Imagine you’re building a wooden deck in your backyard. The Dewalt 791 will handle the job well, but if you encounter dense hardwoods or need to drill through metal brackets, the Dewalt 800’s higher RPM could save you time and effort.

2. Battery Life and Charging Time

Cordless tools are only as good as their battery life, and nobody wants to be constantly recharging during a project.

  • Dewalt 791: It comes with a 2.0 Ah battery, which provides decent runtime for most tasks. The charging time is approximately 30-45 minutes, so you can get back to work fairly quickly.
  • Dewalt 800: This model includes a larger 4.0 Ah battery, which offers extended runtime. However, with more power comes a longer charging time, usually around 1-1.5 hours.

Example: If you’re working on a project that requires continuous drilling or driving, the Dewalt 800’s longer runtime can be a game-changer, even if it means a slightly longer downtime during charging.

3. Size and Weight

The portability and ease of use of a cordless drill are crucial for DIY enthusiasts.

  • Dewalt 791: It’s a compact and lightweight option, making it easier to handle for extended periods without fatigue. Perfect for overhead work and tight spaces.
  • Dewalt 800: While still manageable, the Dewalt 800 is slightly bulkier and heavier due to its more robust motor and larger battery.

Example: If you’re planning a DIY project that involves a lot of overhead drilling or working in confined areas, the Dewalt 791’s compactness will be much appreciated.

4. Price

Budget is often a deciding factor when choosing between two similar tools.

  • Dewalt 791: It is generally more budget-friendly than the Dewalt 800, making it an attractive option for those looking for a reliable drill without breaking the bank.
  • Dewalt 800: The extra power and features come at a higher cost, making it a better choice for professionals or serious DIYers willing to invest in top-notch performance.

Example: If you’re a homeowner tackling occasional DIY projects, the Dewalt 791 offers a great balance of performance and affordability. However, if you rely heavily on your drill for professional work, the Dewalt 800 might be worth the investment.

5. Chuck Size and Compatibility

The chuck size of a drill determines the range of drill bits and accessories you can use.

  • Dewalt 791: It comes with a 1/2-inch chuck, which is standard for most drills. This size allows you to use a wide variety of drill bits and attachments, making it versatile for different tasks.
  • Dewalt 800: Like the Dewalt 791, the Dewalt 800 also features a 1/2-inch chuck, ensuring compatibility with a broad range of accessories.

Example: Whether you’re using standard twist bits or larger hole saws, both drills will accommodate your needs, so chuck size won’t be a deciding factor here.

6. LED Work Light

Working in poorly lit areas can be a hassle, but an integrated LED work light can make a significant difference.

  • Dewalt 791: It is equipped with a bright LED work light that illuminates your workspace, helping you work more accurately and safely.
  • Dewalt 800: Like its counterpart, the Dewalt 800 also features a handy LED work light, ensuring you have good visibility in dimly lit areas.

Example: Imagine you’re repairing a cabinet under the sink or working in a basement. The built-in LED lights in both drills will prove invaluable for precision and safety.

7. Warranty and Durability

When investing in a power tool, it’s essential to consider the warranty and overall durability.

  • Dewalt 791: Typically, it comes with a standard Dewalt warranty, which covers defects in materials and workmanship. Dewalt tools are known for their durability, so you can expect it to withstand regular use.
  • Dewalt 800: Similar to the Dewalt 791, the Dewalt 800 offers the same level of reliability and durability. The warranty coverage is usually in line with industry standards.

Example: If you’re a professional contractor relying on your drill daily, the peace of mind provided by Dewalt’s reputation for durability and a solid warranty is priceless.

8. Additional Features and Accessories

Both the Dewalt 791 and Dewalt 800 come with various features and accessories that enhance their usability.

  • Dewalt 791: Depending on the kit you choose, it may include extra batteries, a carrying case, and additional drill bits.
  • Dewalt 800: Similar to the Dewalt 791, the Dewalt 800 kits often include accessories like spare batteries and carrying cases.

Example: If you’re just starting and need a comprehensive set of accessories, carefully check the contents of the kits available for each model. Sometimes, the right combination of accessories can tip the scale in favor of one model over the other.

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