44 vs 54s: preflop equity

Before any board card is dealt, 44 holds 60.00% equity against 54s, which leaves 54s with 40.00%.

44

60.00%

Wins 57.87%, ties 4.26%

54s

40.00%

Wins 37.87%, ties 4.26%

Equity counts a tie as half a win. Exact over every board.

44 against 54s: the numbers

Exact preflop results for 44 against 54s, in percent
HandWinsTiesLosesEquity
4457.8724.25937.86960.002
54s37.8694.25957.87239.998

The matchup pits a pocket pair against a suited hand. The non-pair hand shares a rank with the pair, so two of its outs for pairing are blocked by the pair itself.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. Ties are part of the picture: 4.26% of boards end in a split pot, and each side counts that as half a win.

The hand ranking puts 44 at 48 and 54s at 136 out of 169 starting hands.

Boards behind the percentages: 20,547,648 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
4411,891,000875,0007,781,000
54s7,781,000875,00011,891,000

Exact total: 12 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

44 against 54s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
441.5001.7282.6410.667
54s0.6672.6411.7281.500

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

44 prefers paired flops, where it holds 64.08%, and likes low rainbow flops (nine high or lower) least, where it holds 45.52%. 54s is ahead on low rainbow flops (nine high or lower), even though it trails 44 when every flop is counted.

44 against 54s by flop texture, in percent
FlopShare of flops44 winsTies54s wins44 equity
Rainbow, ten or higher25.78662.5822.62934.78963.897
Rainbow, nine or lower4.99542.1806.67751.14345.518
Two-tone46.23656.5503.07640.37458.088
Monotone5.15255.4094.39640.19557.607
Paired17.83159.5988.96631.43664.081

Rainbow flops have three suits, two-tone flops repeat one suit, monotone flops are all one suit, and paired flops repeat a rank.

Compared with a random hand

The table below sets each hand against its own random-hand baseline: a change of +2.98 points for 44, from 57.02%, and -1.45 for 54s, from 41.45%.

44 and 54s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
44, all flops60.00257.023+2.9791.05224
44, rainbow, ten or higher63.89757.023+6.8741.12055
44, rainbow, nine or lower45.51857.023-11.5050.79824
44, two-tone58.08857.023+1.0651.01868
44, monotone57.60757.023+0.5841.01024
44, paired64.08157.023+7.0581.12377
54s, all flops39.99841.453-1.4550.96490
54s, rainbow, ten or higher36.10341.453-5.3500.87094
54s, rainbow, nine or lower54.48241.453+13.0291.31431
54s, two-tone41.91241.453+0.4591.01107
54s, monotone42.39341.453+0.9401.02268
54s, paired35.91941.453-5.5340.86650

Does a shared suit matter?

The hands cannot hold a suit in common here, which leaves a single case and a single number: 60.00% for 44.

44 against 54s by suit overlap, in percent
DealsSpecific dealsShare of deals44 winsTies54s wins44 equity
Share a suit00.00not possiblenot possiblenot possiblenot possible
No shared suit12100.0057.8724.25937.86960.002

How often this matchup comes up

The class pair covers 12 combinations of specific cards in a fixed seat order, 0.0007% of 1,624,350, and 24 (0.0015%) in either order.

A worked example

Put $100 each into a $200 pot and deal every board once: 44 averages $120.00 back, ahead of its $100 by $20.00, while 54s averages $80.00, short of its $100 by $20.00.

A thousand deals look like this: 44 takes 579, 54s takes 379, 42 are ties.

The same matchup from the other side

If you came looking for 54s against 44, the numbers are the same with the hands swapped: 40.00% and 60.00%.

Try 4s4h against 5d4d in the calculator: the hands share no suit, and every card can be changed. The links after it are the closest matchups in the ranking.

How this was computed

We counted every case. Each suit pattern of the 12 specific 44 against 54s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

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