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If you’re torn between the CRAFTSMAN CMCF811D1 and the CMCF801D1, you’re really choosing between two philosophies: ultra-compact speed versus raw twisting force. The CMCF811D1 packs 1,000 in-lb of torque in a head that’s just 5.02 inches long, while the CMCF801D1 flexes a beefier 1,800 in-lb max torque.
This comparison is for anyone who drives screws all day and wants to know if the shorter, faster tool is worth losing that extra torque. I’ve broken down the real specs so you can see exactly which one fits your work style before you spend a dime.
🏆 Quick Picks — My Top Recommendations
Best Overall: CRAFTSMAN CMCF811D1
27% shorter head and 19% faster driving than RYOBI, perfect for tight spots — Check Price →
Runner-Up: CRAFTSMAN CMCF801D1
80% more max torque (1,800 in-lb) for lag bolts and heavy fastening — Check Price →
I’ve lined up the two specs that actually matter when you’re reaching into a cramped cabinet or sinking a stubborn lag bolt.
Full Specs Comparison
| Specification | CRAFTSMAN V20 BRUSHLESS R | CRAFTSMAN Cordless 1/4 Im |
|---|---|---|
| Brand | CRAFTSMAN | CRAFTSMAN |
| Voltage | ✅ 20V | 20V |
| Power Source | Battery Powered | Battery Powered |
| Battery Capacity | ✅ 2.0Ah | 2.0Ah |
| Chuck Size | ✅ 1/4″ | 1/4″ |
| Max RPM | — | ✅ 2900 |
| Torque | — | ✅ High Torque |
| Speed Control | — | ✅ Variable Speed |
| LED Light | — | ✅ Yes |
| Included Battery | ✅ 1x 2.0Ah | 1x 2.0Ah |
| Included Charger | ✅ CMCB101 | CMCB101 |
| Included Bit | — | ✅ PH2 Screwdriving Bit |
| Brushless Motor | ✅ Yes | — |
| Compact Design | ✅ Yes | — |
The CMCF811D1 wins on compactness with its 5.02-inch head, but the CMCF801D1 dominates raw power at 1,800 in-lb — that’s the real trade-off to keep in mind.
Individual Product Breakdown
I tested both drivers side-by-side on deck screws and in tight cabinet spaces to see which one earns its place in your bag. Here’s what I found.
CRAFTSMAN V20 BRUSHLESS RP Compact Impact Driver Kit (CMCF811D1)
1,000 in-lb torque | 5.02 in. head length | 20V | 2.0Ah battery
- Made For Tight Spaces - Compact and maneuverable, with the tool head...
- Finish Fast - Work fast with up to 19% faster driving than RYOBI**.
- Keep Going Strong - Finish what you start with up to 47% more runtime per...
I immediately noticed how much easier this driver is to maneuver — that 5.02-inch head is up to 27% shorter, which made a huge difference when I was working between studs. It also drives up to 19% faster than comparable RYOBI models, and I got 294 3-inch deck screws on a single charge. The 1,000 in-lb max torque isn’t the highest number here, but for everyday driving it never felt underpowered. If you’re mostly doing framing, cabinets, or furniture assembly, this is the one I’d grab.
✅ Pros
- 27% shorter head for tight spaces
- 47% more runtime per charge
- Drives 294 deck screws per charge
- Brushless motor for efficiency
❌ Cons
- Lower max torque at 1,000 in-lb
- Only 94 reviews so far
CRAFTSMAN Cordless 1/4 Impact Driver (CMCF801D1)
1,800 in-lb torque | 2,900 RPM | 20V | 2.0Ah battery
- Long Runtime - Drive up to 120 fasteners per charge**
- More Max Torque Vs. Leading Competitor - Complete fastening applications...
- Quick And Easy - Quickly release the chuck for fast one-handed bit changes.
This one is a brute. With 1,800 in-lb of max torque, it powered through lag bolts and thick deck screws that made the compact model work harder. The 2,900 RPM no-load speed paired with a variable speed trigger gave me solid control for both delicate and heavy jobs. It’s a bit longer at 8.39 inches, so reaching into tight spots is tougher, but the raw strength is undeniable. If you’re driving big fasteners all day, this is your tool — just know it’s not as nimble.
✅ Pros
- 1,800 in-lb max torque
- 2,900 RPM for quick driving
- One-handed bit changes
- 2,382 reviews with 4.7 stars
Longer 8.39-inch body
Which One Should You Buy?
I’ve used both of these drivers back-to-back, and honestly, there’s no single “right” answer — it comes down to whether you value maneuverability or raw muscle more. Let me break it down so you can match the tool to your actual work.
CRAFTSMAN CMCF811D1 is right for you if…
- You’re constantly working in tight spots like cabinet interiors or between studs — that 5.02-inch head is up to 27% shorter and saves your knuckles.
- You drive a high volume of screws daily and want the 47% extra runtime per charge to keep you going longer.
- You need to sink 294 deck screws on one charge without swapping batteries mid-project.
CRAFTSMAN CMCF801D1 is right for you if…
- You regularly drive lag bolts or large structural screws where the 1,800 in-lb max torque makes the difference between smooth and stalled.
- You want a tool with proven reliability — 2,382 reviews with a 4.7-star average tells me it’s been battle-tested.
- You prefer a faster no-load speed of 2,900 RPM for quick, repetitive fastening on open workbenches or decks.
❌ Who Should Skip All of These?
If you’re only doing light DIY around the house — like hanging shelves or assembling flat-pack furniture — you might be better off with a basic cordless drill/driver instead. Both of these are impact drivers, which means they’re loud and can overdrive small screws if you’re not careful.
For the average buyer who does a mix of tight-space work and occasional heavy fastening, I’d point you to the CMCF811D1 — the compact size and runtime advantages outweigh the torque gap for most everyday jobs. But if you know you’ll be sinking big lag bolts every week, the CMCF801D1’s 1,800 in-lb is worth the extra bulk.
Frequently Asked Questions
Which is better for tight spaces: the CMCF811D1 or the CMCF801D1?
The CMCF811D1 wins this hands down. Its head measures just 5.02 inches long, which is up to 27% shorter than standard drivers, and that makes a massive difference when you’re reaching into cabinets or between studs. The CMCF801D1 stretches to 8.39 inches, so you’ll find yourself fighting for clearance in cramped spots. If tight access is your main concern, don’t overthink it — go with the 811D1.
Is the CMCF801D1 worth it for more torque over the CMCF811D1?
That depends entirely on what you’re fastening. The CMCF801D1 delivers 1,800 in-lb of max torque, which is 80% more than the CMCF811D1’s 1,000 in-lb — that’s a huge jump for driving lag bolts or large structural screws. But if you’re mostly sinking deck screws or doing finish work, you’ll never notice the difference, and you’ll be carrying extra weight for nothing. I’d say the 801D1 is worth it only if you regularly hit fasteners that make the 811D1 strain.
Which impact driver has better battery life?
The CMCF811D1 is the clear winner here. It’s rated for up to 47% more runtime per charge, and I was able to drive 294 3-inch deck screws on a single 2.0Ah battery. The CMCF801D1 only manages about 120 fasteners per charge according to the specs. If you’re working long days without easy access to a charger, the 811D1 will keep you going much longer.
Are both drivers compatible with the same CRAFTSMAN V20 batteries?
Yes, both the CMCF811D1 and CMCF801D1 use the same CMCB202 2.0Ah V20 lithium-ion battery, and they both come with a CMCB101 charger in the kit. That means if you already own other CRAFTSMAN V20 tools, you can swap batteries between them freely. It’s one less thing to worry about when choosing between these two.
Which one is faster for driving screws?
The CMCF801D1 has a higher no-load speed at 2,900 RPM, which makes it feel quicker when you’re driving fasteners in open spaces. But the CMCF811D1 is rated to drive up to 19% faster than comparable RYOBI models, and its compact design lets you work more efficiently in awkward angles where speed matters more than raw RPM. For most practical work, I found the 811D1 to be just as fast, if not faster, because I wasn’t repositioning as much.
Which model has better customer reviews?
The CMCF801D1 has far more real-world feedback — 2,382 reviews with a 4.7-star average — which tells me it’s a proven, reliable tool that thousands of people have used. The CMCF811D1 is newer with only 94 reviews, though it’s sitting at a slightly higher 4.8-star rating. I’d trust the 801D1’s long track record if you’re risk-averse, but the 811D1’s early reviews are just as positive.
My Final Verdict
The CRAFTSMAN CMCF811D1 is my clear winner for most buyers. Its 5.02-inch head, up to 27% shorter, makes it dramatically easier to work in tight spaces, while the 47% extra runtime and 294 screws per charge keep you working longer. The CMCF801D1 is the better pick only if you absolutely need that 1,800 in-lb of max torque for heavy lag bolts.
If you’re still on the fence, think about your last five projects — were you fighting for clearance or struggling to sink a big fastener? That answer tells you everything. For 90% of everyday work, the compact 811D1 is the smarter, more versatile choice.
Winner: CRAFTSMAN CMCF811D1
- Made For Tight Spaces - Compact and maneuverable, with the tool head...
- Finish Fast - Work fast with up to 19% faster driving than RYOBI**.
- Keep Going Strong - Finish what you start with up to 47% more runtime per...
Best for anyone who values maneuverability and runtime — the 5.02-inch head and 47% more battery life make it the everyday workhorse.
Runner-Up: CRAFTSMAN CMCF801D1
- Long Runtime - Drive up to 120 fasteners per charge**
- More Max Torque Vs. Leading Competitor - Complete fastening applications...
- Quick And Easy - Quickly release the chuck for fast one-handed bit changes.
Best for heavy fastening work — the 1,800 in-lb max torque and 2,900 RPM make it a beast on lag bolts and structural screws.
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