The catch
Traeger Pro Series 575 WiFIRE Pellet Grill, black
Direct-flame searing isn't an option here.
Side by side
Traeger TFB57GLEO vs Traeger TFB78GZEC: Party batches get more room on 780, with no increase in pellet storage
Quick verdict
Pro 575 handles most family cooking. Pro 780 adds 205 square inches for parties, though its hopper is the same 18-pound size.
Before you buy
Why, and what it costs you
Where these two really part ways
Traeger Pro Series 575 WiFIRE Pellet Grill, black is the better match for “Make weeknight dinners for two” and “Work on a small patio”. Traeger Pro Series 780 WiFIRE Pellet Grill is the better match for “Feed eight or more people” and “Hold three racks of ribs”.
Where this comes from
This lines up the current strong and useful fit ratings for the exact products. It does not roll them into one overall score.
The catch
Traeger Pro Series 780 WiFIRE Pellet Grill
For very long cooks with a heavy load, an 18-pound hopper is small next to a 780-square-inch body.
Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Why pick it
- Make weeknight dinners for two
- Work on a small patio
- The catch
- Direct-flame searing isn't an option here.
Traeger Pro Series 780 WiFIRE Pellet Grill
- Why pick it
- Feed eight or more people
- The catch
- For very long cooks with a heavy load, an 18-pound hopper is small next to a 780-square-inch body.
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What this page compares
How the Traeger TFB57GLEO and Traeger TFB78GZEC compare on cooking area, heat and hopper, controls and portability.
This one comes down to cooking area first, then to the limits of your own setup.
Which one fits
Pick the situations that sound like you
Make weeknight dinners for two
Both models list “500°F setting. 18 lb hopper. Indirect heat only” for heat and hopper. Both models show the same result for “Heat and hopper”, so this row won't decide between them.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Better fit
- Traeger Pro Series 780 WiFIRE Pellet Grill
- Depends
Feed eight or more people
Offer a published total area of at least about 700 square inches, laid out in usable racks.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Depends
- Traeger Pro Series 780 WiFIRE Pellet Grill
- Better fit
Hold three racks of ribs
Offer enough rectangular grate area, or work with a documented rib rack.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Good
- Traeger Pro Series 780 WiFIRE Pellet Grill
- Better fit
Roast a turkey whole
Both models list “Phone monitoring. Full-size patio model” for controls and portability. Both models show the same result for “Controls and portability”, so this row won't decide between them.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Good
- Traeger Pro Series 780 WiFIRE Pellet Grill
- Better fit
Work on a small patio
Look for a narrow body and shelves that fold or are minimal.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Better fit
- Traeger Pro Series 780 WiFIRE Pellet Grill
- Depends
Cook for a family of four
Traeger Pro Series 575 WiFIRE Pellet Grill, black lists “575 sq in cooking area” for cooking area, while Traeger Pro Series 780 WiFIRE Pellet Grill lists “780 sq in cooking area”. This is how much food or material fits in one usable batch, which tells you more than the headline size.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- Similar
- Traeger Pro Series 780 WiFIRE Pellet Grill
- Similar
In practice
Differences you will notice
Where these two really part ways
Traeger Pro Series 575 WiFIRE Pellet Grill, black is the better match for “Make weeknight dinners for two” and “Work on a small patio”. Traeger Pro Series 780 WiFIRE Pellet Grill is the better match for “Feed eight or more people” and “Hold three racks of ribs”.
How we worked this out
This lines up the current strong and useful fit ratings for the exact products. It does not roll them into one overall score.
How many models fit “Make weeknight dinners for two”
9 of the 22 pellet grills and smokers checked fit this need. Traeger Pro Series 575 WiFIRE Pellet Grill, black makes the cut. Traeger Pro Series 780 WiFIRE Pellet Grill does not.
How we worked this out
The count filters every model in the current category for a strong or useful fit on this single need.
Models that handle “Make weeknight dinners for two” and “Cook for a family of four”
6 of the 22 pellet grills and smokers checked handle both “Make weeknight dinners for two” and “Cook for a family of four”. Traeger Pro Series 575 WiFIRE Pellet Grill, black makes the cut. Traeger Pro Series 780 WiFIRE Pellet Grill does not.
How we worked this out
You can reproduce the count by filtering the current category for models with a strong or useful fit on both needs.
Option A
Traeger, TFB57GLEO
Pro Series 575 WiFIRE Pellet Grill, black
Cooking area comes to 575 square inches, and the pellet hopper takes 18 pounds.
- Best for
- handle weeknight dinners for two and a family of four
Facts we checked
- Cooking area comes to 575 square inches.
- Hopper capacity is 18 pounds of pellets.
- Its top listed setting is 500°F.
Option B
Traeger, TFB78GZEC
Pro Series 780 WiFIRE Pellet Grill
The pellet hopper holds 18 pounds, and cooking area comes to 780 square inches.
- Best for
- cook for a crowd of eight or more as well as a family of four
Facts we checked
- Cooking area comes to 780 square inches.
- Hopper capacity is 18 pounds of pellets.
- Its top listed setting is 500°F.
Spec by spec
Where they really differ
| Spec | Traeger Pro Series 575 WiFIRE Pellet Grill, black | Traeger Pro Series 780 WiFIRE Pellet Grill | In practice |
|---|---|---|---|
| Cooking area | 575 sq in cooking area | 780 sq in cooking area | What counts is how much food or material fits in one usable batch, and that says more than the headline size does. |
| Heat and hopper | 500°F setting. 18 lb hopper. Indirect heat only | 500°F setting. 18 lb hopper. Indirect heat only | Both models show the same result for “Heat and hopper”, so this row won't decide between them. |
| Controls and portability | Phone monitoring. Full-size patio model | Phone monitoring. Full-size patio model | Both models show the same result for “Controls and portability”, so this row won't decide between them. |
Trade-offs
What each pick costs you
With Traeger Pro Series 575 WiFIRE Pellet Grill, black
- A full 20-pound bag won't go into the 18-pound hopper, even when the reserve is empty.
With Traeger Pro Series 780 WiFIRE Pellet Grill
- Food can't go directly over flame for a seared finish.
Decision guide
How to decide
Most family cooks are covered by Pro 575. Pro 780 adds 205 square inches for parties without changing the 18-pound hopper.
Where they really differ
Both have WiFIRE and a 500 F top setting.
How the numbers matter
Published area is 36 percent larger on Pro 780.
What you give up
Both hoppers have the same capacity.
What this page can’t tell you
- Pellet consumption shifts with weather and temperature.
- Published grate area sometimes includes upper racks.
- A maximum temperature figure does not show searing performance on its own.
By the numbers
What the data shows
What we found across the pellet grills and smokers we compare, plus the checked facts behind each finding.
How many fit
None of the 22 models checked meets all of “Make weeknight dinners for two”, “Cook for a family of four”, and “Feed eight or more people”, so the pick goes to the closest practical compromise.
0 models fit, out of 22 checkedThe gap in numbers
Traeger Pro Series 780 WiFIRE Pellet Grill lists 780 sq in for listed cooking area, 36% more than the 575 sq in on Traeger Pro Series 575 WiFIRE Pellet Grill, black.
- Traeger Pro Series 575 WiFIRE Pellet Grill, black
- 575 sq in
- Traeger Pro Series 780 WiFIRE Pellet Grill
- 780 sq in
- Models with this figure
- 17 of 22
Show the facts and the math
How we countedThe count uses each product's current fit ratings for “Make weeknight dinners for two”, “Cook for a family of four”, and “Feed eight or more people”. A need with no documented match is not counted.
How we calculatedFigures are the maker's total cooking area. Upper racks and odd-shaped layouts do not give you the same direct-grate space. For context, 17 of 22 models publish comparable figures.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Traeger Pro Series 575 WiFIRE Pellet Grill, black |
|
| |
| Traeger Pro Series 780 WiFIRE Pellet Grill |
|
|
Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
Traeger Pro Series 575 WiFIRE Pellet Grill, black
Make weeknight dinners for two
See price & reviews on AmazonTraeger Pro Series 780 WiFIRE Pellet Grill
Feed eight or more people
See price & reviews on AmazonEach link opens in a new tab.
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