Blackstone vs Weber Slate
Nearly identical surface area, 19% different heat, and two completely different ownership experiences.
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Quick picks
Ranked on published specifications using our scoring rubric. Tap a row for the full write-up.
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 |  Blackstone 36" Original GriddleLarge families and crowd cooking | Large families and crowd cooking | 8.6 | Check price on Amazon |
| 2 |  Weber Slate 36" GriddleLarge cooks who do not want to babysit the surface | Large cooks who do not want to babysit the surface | 8.7 | Check price on Amazon |
#ad We publish no prices: there is no verified price feed on this site, so the retailer’s page is the only price. How this is funded
Side by side
Same fields on both sides. Heat density is computed from the published BTU and cooking area, not quoted from a manufacturer.
| Specification | Blackstone 36" Original Griddle | Weber Slate 36" Griddle |
|---|---|---|
| Cooking area | 769 sq in | 756 sq in |
| Burners | 4 | 4 |
| Total output | 60,000 BTU | 48,000 BTU |
| Heat density | 78 BTU / sq in | 63.5 BTU / sq in |
| Cooktop | Carbon steel | Rust-resistant carbon steel, pre-seasoned |
| Best for | Large families and crowd cooking | Large cooks who do not want to babysit the surface |
| Our score | 8.6 / 10 | 8.7 / 10 |
The comparison in one sentence
Within 13 square inches of each other, the Blackstone has 12,000 more BTU and a surface that will rust; the Weber has a surface that resists rust and 19% less heat to work with.
What 78.0 versus 63.5 BTU per square inch feels like
Not in peak temperature. Both of these reach a working searing heat on an empty plate; Weber states the Slate exceeds 500 °F.
The difference appears in recovery. Put eight cold patties down at once and the plate temperature drops sharply in that area. The Blackstone puts the heat back faster. With the Weber there is a longer window where the food is sitting in released moisture rather than searing, which is the difference between a crust and a gray patty.
For everyday cooking at moderate temperatures, you will not notice. For smash burgers and heavy loads, you will.
What rust resistance is actually worth
It depends entirely on how often you cook, and the honest version is uncomfortable.
A bare carbon-steel top used weekly stays seasoned essentially by itself, because every cook with fat in it lays down another micro-layer. In that case Weber’s advantage is insurance against a risk you do not carry, and you have paid 19% of your heat for it.
A bare carbon-steel top used once a month, stored on a patio through a wet autumn, is a restoration project waiting to happen. In that case the Weber is obviously right and the Blackstone’s extra heat is irrelevant because you will spend your weekends taking rust off instead of cooking.
Be honest about which person you are. Most people buying a griddle imagine the first and live the second.
Pre-seasoned matters more than it sounds
The Weber arrives ready to cook on. The Blackstone needs three to five thin seasoning rounds before its first meal — an hour or two of work, and the single most common place new griddle owners go wrong by applying oil too thickly. The process is not hard, but it is a barrier, and barriers at the start of ownership matter.
The ecosystem gap
Blackstone’s parts and accessory availability is the best in the category and Weber’s is not. Covers, hoods, replacement cooktops, burner assemblies and regulators for Blackstone sizes are easy to find from the manufacturer and a large third-party market.
That does not matter on day one. It decides, in year four, whether a failed burner means a twenty-minute repair or a new griddle.
Which to buy
| If you | Buy |
|---|---|
| Cook weekly or more | Blackstone |
| Cook occasionally, store outdoors | Weber Slate |
| Care most about searing | Blackstone |
| Want to cook on day one with no prep | Weber Slate |
| Want parts available in a decade | Blackstone |
| Live somewhere wet | Weber Slate |
At the smaller size the comparison shifts: the Weber Slate 30 gives you three zones against the Blackstone 28’s two, over essentially the same surface — so Weber wins on control there as well as on care.
The picks in detail
Specifications are linked to their source on every card. Scores are ours, derived from those specifications.
#1 · Large families and crowd cooking
Blackstone 36" Original Griddle
The default large griddle: four burners over 769 square inches, with the highest burner count in its size class and the deepest accessory ecosystem of any brand here.
#ad We publish no prices: there is no verified price feed on this site, so the retailer’s page is the only price. How this is funded
Key specifications
- Cooking area
- 769 sq in (35¾ × 21½ in)
- Burners
- 4, stainless steel
- Total output
- 60,000 BTU
- Cooktop
- Carbon steel
- Ignition
- Single spark
- Grease system
- Rear
Specifications from BBQGuys spec sheet.
Scores
- Cooking area9.5
- Heat output9.0
- Zone control9.5
- Surface care6.5
- Portability3.0
What works
- Four independent zones is the real argument for this size — you can hold a warm zone and still sear
- 769 sq in is enough to cook a full breakfast for eight without staging
- The widest accessory and spare-parts availability of any brand in this guide
What to know
- Bare carbon steel: it will rust if you leave it uncovered and unseasoned
- Needs real patio footprint — this is not a griddle you put away each week
- Rear grease management means the drain is behind the unit, which is awkward against a wall
#2 · Large cooks who do not want to babysit the surface
Weber Slate 36" Griddle
Four burners across 756 square inches on a rust-resistant, pre-seasoned cooktop — the large griddle for someone who cooks less often than they think they will.
#ad We publish no prices: there is no verified price feed on this site, so the retailer’s page is the only price. How this is funded
Key specifications
- Cooking area
- 756 sq in
- Burners
- 4
- Total output
- 48,000 BTU
- Cooktop
- Rust-resistant carbon steel, pre-seasoned
- Dimensions
- 72 W × 39 H × 28 D in
- Stated temp
- Reaches over 500 °F
Specifications from P.C. Richard spec sheet.
Scores
- Cooking area9.5
- Heat output7.0
- Zone control9.5
- Surface care9.5
- Portability3.0
What works
- The rust-resistant surface is the single biggest practical difference in this guide — it tolerates neglect that kills a bare carbon-steel top
- Pre-seasoned from the factory, so the first cook is genuinely the first cook
- Four zones over 756 sq in, with a digital thermometer on some configurations
What to know
- 63.5 BTU per square inch is notably lower than the Blackstone 36's 78 — it heats and recovers more slowly
- Costs more than the equivalent Blackstone for less heat
- Smaller accessory ecosystem than Blackstone
Common questions
Is Blackstone or Weber Slate better?
Does the Weber Slate really not rust?
Why does the Weber Slate have less BTU?
Sources
Every specification on this page came from one of these. If you find one of them has changed, tell us and we will correct it.
Read next
Blackstone 36" Original
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