CSM vs Shoe Blackjack: Which Table Actually Costs More?
Last reviewed: October 2026
A continuous shuffling machine (CSM) feeds discards straight back into the shuffle, so the shoe never depletes and never gets cut. Players hate CSMs instinctively, and the instinct is half right: the per-hand math actually favors the CSM slightly, but the per-hour math usually does not.
What a CSM changes mathematically
Three real effects, two of them small:
- Counting is dead. With discards returned to the machine after every round, the deck composition never drifts far from neutral. Card counting relies on that drift; a CSM removes it. For the 99%+ of players who do not count, this costs exactly nothing.
- The per-hand edge drops a hair. Shoe games suffer the “cut card effect,” a subtle bias that makes the dealt portion of a shoe very slightly ten-poor on average. CSMs do not use a cut card, so basic strategy players face a marginally lower house edge per hand, on the order of a couple hundredths of a percent. Real, measurable, and too small to feel.
- Nothing else changes. Basic strategy is identical at a CSM table. Every chart, every decision, unchanged.
The effect that actually matters: speed
A shoe game pauses to shuffle; a CSM never does. Depending on table conditions, a CSM deals roughly 20% more hands per hour.
House edge is charged per hand, so your expected hourly cost scales directly with hands dealt:
| Table | Hands/hour (typical, moderately full) | Expected cost at $15 flat, ~0.6% edge |
|---|---|---|
| Six-deck shoe | ~70 | about $6.30/hour |
| CSM | ~85 | about $7.65/hour |
The CSM’s tiny per-hand discount is swamped by the extra volume. Same casino, same rules, same strategy: the never-pausing table simply runs your bankroll through the edge more times per hour.
So which table should you pick?
- You count cards: the shoe game is the only game. This is why CSMs exist.
- You play basic strategy for fun: the honest answer is that the difference is small and behavioral. If you will play a fixed number of hands, the CSM is negligibly cheaper. If you play a fixed number of hours (which is how most people actually play), the shoe game’s shuffle breaks are doing you a small favor.
- Either way, rules dwarf the shuffler. A 3:2 CSM table beats a 6:5 shoe table by miles. Check the payout rules first; worry about the shuffle second.
Test your pace intuitions on the free table: the difference between 70 and 85 hands an hour is bigger than it sounds when the session log adds it up.
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