The short answer: in a live dealer game, the outcome comes from a physical event, such as a wheel spin, a dealt card or a falling ball, that a camera captures and software merely reports. In an RNG game, the outcome comes from a software process that selects a result before any animation plays. Everything else that players notice, from pacing to table limits to how a dispute gets resolved, flows from that one difference. Neither format is inherently fairer or safer; they simply place the source of randomness, and the possible points of failure, in different places.
Where the randomness lives
An RNG game, short for random number generator game, uses an algorithm seeded from some source of unpredictability. When you press spin or deal, the software draws a number, maps it to an outcome according to the game’s rules, and then shows you an animation that reflects the result already chosen. The reels, the cards flipping and the roulette ball bouncing in a virtual wheel are presentation. The outcome was settled before the graphics began.
A live dealer game reverses the order. A real wheel is spun, or a real shoe of cards is dealt, in a studio. The physical event happens first, and the result is then read, either by the dealer entering it, by optical character recognition reading the cards, or by sensors in the wheel, and passed to the software layer that settles bets. The randomness is a property of the physical world: the friction of the ball, the shuffle of the cards, the force of the spin.
That distinction matters for how each system is checked. A software RNG is typically examined through source code review, statistical testing of large output samples and certification against a regulator’s technical standards. A physical game is checked differently: equipment inspection, shuffle and procedure audits, camera coverage, studio controls and staff training. Both approaches aim at the same goal, outcomes that are unpredictable and not steerable, but they inspect different things.
The hybrid problem: both components at once
Many modern products blur the line, and the label on the lobby tile often does not tell you which model you are playing. A live game show with a physical wheel may add a software-generated bonus round. A live blackjack table may run a side bet whose payout multiplier is drawn by an RNG while the cards themselves are physical. Some titles use a real dealer and studio but feature virtual elements, such as animated multipliers, that are selected by software and overlaid on the video feed.
In these hybrids, the base game and the add-on can have entirely different integrity profiles. Consider a hypothetical live roulette variant where the wheel is physical but a software draw assigns a bonus multiplier to certain numbers before each spin. The wheel result depends on physics; the multiplier depends on code. A player reading the rules should treat these as two separate random processes layered together, because each can have its own certification, its own rules and its own edge on the player.
The practical reading skill here is simple: check the game’s information panel for what is physical and what is generated. Well-run products usually state this, though the wording varies and is not always prominent.
What changes for the player in practice
The most immediate difference is tempo. An RNG blackjack hand can resolve in seconds, and a player can run through dozens of rounds in the time a live table completes a handful, because the live table waits on a human dealer, a betting window shared with other players and the physical handling of cards. Slower pacing changes the arithmetic of exposure. With hypothetical numbers, suppose you stake 10 per round. At 25 rounds an hour in a live game, your total amount wagered is 250 per hour; at 90 rounds an hour in an RNG version, it is 900. The house edge is a percentage of amounts wagered, so a faster game moves more money through that percentage in the same time.
It helps to be precise about two terms here. Gross return is everything the game pays back to you, including the stakes that come back with winning bets. Net profit is gross return minus everything you staked. If you stake 250 in total and receive 240 back, your gross return is 240 and your net result is a loss of 10. Confusing the two is common: a session in which a lot of money “came back” can still be a net loss, and a high gross return figure says nothing by itself about whether you finished ahead.
Network latency and the result record
Live games add a layer that RNG games largely avoid: video streaming and the delay it brings. The studio is somewhere else, and the picture reaches you after encoding, transmission and decoding. That delay is usually small but not zero, and it varies by connection. The consequence is that what you see on screen is slightly behind what happened in the studio.
Because of this, the betting window and the settlement are controlled by the platform’s server clocks, not by what appears on your screen. If your video lags by a second or two, the table may already have closed bets by the time you see the countdown reach its final moments. A bet placed against a stale picture can be rejected, or in some designs accepted only if it reached the server before the cutoff. This is why a dropped connection mid-round raises the question that matters most: what does the official record say?
In both formats, the authoritative answer is the operator’s result record, not your screen. A well-designed platform logs the round’s outcome, the bets accepted and the payouts calculated, and lets you review recent rounds in a history view. In a live game, that record is linked to the physical event as it was read into the system; in an RNG game, it is the draw itself. If your connection fails during a round, the round still completes on the server, and the result is waiting in your history when you reconnect. Rules for rounds interrupted by disconnection differ between games, so the rules page is the place to look rather than assumption.
Same label, different rules
Perhaps the most underappreciated point is that identical names do not guarantee identical games. “Blackjack” might pay 3 to 2 on a natural at one table and 6 to 5 at another, which changes the house edge meaningfully. “Roulette” might have a single zero or a double zero. A live version and an RNG version of the same game can differ in deck count, shuffle frequency, dealer-stands rules, side bets offered and the maximum payout allowed on a single round. Even the cap on winnings, a rule that limits what a single bet can return, may be set differently across formats.
Consider a hypothetical example. An RNG blackjack game reshuffles after every hand, which means card counting is meaningless, while a live table with an eight-deck shoe deals many hands before reshuffling. The difference shapes the game’s mathematics, even though both are called blackjack and look similar on screen. The published rules for each specific table are the only reliable guide.
Neither format is automatically safer
It is tempting to assume that a human dealer on camera is more trustworthy than software, or that software is more trustworthy than human hands. Neither assumption holds up well. A live game can fail through procedural error, equipment faults or reading mistakes; an RNG game can fail through flawed implementation or a mis-set payout table. Each is addressed by testing and oversight suited to its type, and each is only as reliable as the standards and audits actually applied to it.
What a careful player can do is look at the specifics: which regulator or testing body is named, what the rules page says about payouts and edge cases, how disputes are handled, and where the result history lives. Those details tell you far more than the live-versus-RNG label does. The format changes where randomness comes from and how it is checked. It does not, by itself, tell you whether a particular game is well run.