Instant Pot Accu Slim Sous vs KitchenBoss Sous Vide Cooker G321
Both made our Best Sous Vide Machines Under $100 shortlist, at #1 and #2. Here's how they differ and who each one suits.
- BuyOnceRight Research Desk
- Updated
- 4 min read
Quick verdict
Choose the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W if you want leaves the most budget headroom of any pick in this price band. Choose the KitchenBoss Sous Vide Cooker G321, 1100W if you'd rather have 1100W recovery power at a price low enough to justify buying a second unit for dual-circulator setups. Overall we rank the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W higher: #1 versus #2 in our Best Sous Vide Machines Under $100 list.
Winner overall: Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W
Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W vs KitchenBoss Sous Vide Cooker G321, 1100W compared
Every difference that matters, in one table.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 3 in Best Sous Vide Machines Under $100 | #2 of 3 in Best Sous Vide Machines Under $100 |
| Pick label | ||
| Brand | Instant Pot | KitchenBoss |
| Key features | 800W heating element; Typically $70 to $80; Onboard touchscreen, no app required | 1100W brushless DC motor; Adjustable clamp for large stockpots; Built-in TFT display with recipe presets |
| Biggest strength | Leaves the most budget headroom of any pick in this price band | 1100W recovery power at a price low enough to justify buying a second unit for dual-circulator setups |
| Main trade-off | No WiFi or smart features at any price | Smaller brand with less long-term large-batch reliability data than Anova |
| Best for | Most buyers | large batch cooking |
Which should you buy?

#1 pick
Choose the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W if…
- Leaves the most budget headroom of any pick in this price band
- Highest ratings volume in this list, with an established reliability record
- Fully functional without an app or WiFi setup
Prefer the alternative? See the KitchenBoss Sous Vide Cooker G321, 1100W section.

#2 pick
Choose the KitchenBoss Sous Vide Cooker G321, 1100W if…
- 1100W recovery power at a price low enough to justify buying a second unit for dual-circulator setups
- Built-in display works independently, useful when running two units without needing two app connections
- Quiet motor is a real benefit over multi-hour large-batch cooks
Best for: large batch cooking
Prefer the alternative? See the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W section.
Pros and cons of each
Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W
Pros
- Leaves the most budget headroom of any pick in this price band
- Highest ratings volume in this list, with an established reliability record
- Fully functional without an app or WiFi setup
Cons
- No WiFi or smart features at any price
- 800W recovers more slowly than 1100W options
- Fewer premium touches than the Anova Nano's app ecosystem
KitchenBoss Sous Vide Cooker G321, 1100W
Pros
- 1100W recovery power at a price low enough to justify buying a second unit for dual-circulator setups
- Built-in display works independently, useful when running two units without needing two app connections
- Quiet motor is a real benefit over multi-hour large-batch cooks
Cons
- Smaller brand with less long-term large-batch reliability data than Anova
- No app for coordinating settings between two units remotely
- Fewer total ratings than the established market leaders
Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W vs KitchenBoss Sous Vide Cooker G321, 1100W: common questions
Which is better, the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W or the KitchenBoss Sous Vide Cooker G321, 1100W?
Choose the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W if you want leaves the most budget headroom of any pick in this price band. Choose the KitchenBoss Sous Vide Cooker G321, 1100W if you'd rather have 1100W recovery power at a price low enough to justify buying a second unit for dual-circulator setups. Overall we rank the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W higher: #1 versus #2 in our Best Sous Vide Machines Under $100 list.
What is the difference between the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W and the KitchenBoss Sous Vide Cooker G321, 1100W?
The Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W stands out because leaves the most budget headroom of any pick in this price band, while the KitchenBoss Sous Vide Cooker G321, 1100W stands out because 1100W recovery power at a price low enough to justify buying a second unit for dual-circulator setups. The trade-offs differ too: the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W's main caveat is that no WiFi or smart features at any price, and the KitchenBoss Sous Vide Cooker G321, 1100W's is that smaller brand with less long-term large-batch reliability data than Anova.
Is the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W worth it over the KitchenBoss Sous Vide Cooker G321, 1100W?
For most buyers, yes: it's our #1 pick. Consider the KitchenBoss Sous Vide Cooker G321, 1100W instead if no WiFi or smart features at any price is a deal-breaker for you.
Who should buy the KitchenBoss Sous Vide Cooker G321, 1100W instead of the Instant Pot Accu Slim Sous Vide Immersion Circulator, 800W?
The KitchenBoss Sous Vide Cooker G321, 1100W suits large batch cooking.