---
title: "A7s vs 64s: preflop equity"
url: "https://georgelipoker.com/equity/a7s-vs-64s.md"
canonical_url: "https://georgelipoker.com/equity/a7s-vs-64s"
last_updated: "2026-10-23"
type: "reference"
summary: "A7s is a big favorite over 64s before the flop: 62.80% to 37.21% equity, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/a7s-vs-53s.md", "https://georgelipoker.com/equity/a7s-vs-43s.md", "https://georgelipoker.com/equity/a9o-vs-64s.md"]
---

# A7s vs 64s: preflop equity

A7s is a big favorite over 64s before the flop: 62.80% to 37.21% equity, counted exactly over every board, with the split by flop type and suit.

Over all 1,712,304 boards that can follow this deal, A7s finishes with 62.80% of the pot and 64s with 37.20%.

## A7s against 64s: the numbers

**Exact preflop results for A7s against 64s, in percent**

| Hand | Wins | Ties | Loses | Equity |
| --- | --- | --- | --- | --- |
| A7s | 62.535 | 0.520 | 36.945 | 62.795 |
| 64s | 36.945 | 0.520 | 62.535 | 37.205 |

Both hands are suited hands: A7s and 64s. Neither hand shares a rank with the other, so this is a contest of high cards, connection and suits.

The lead is steady rather than large, and the flop still has plenty of say in who wins. Ties are 0.52% of the outcomes here; each tied board gives both hands half the pot.

A7s ranks number 24 of 169 starting hands, and 64s ranks number 138, by equity against a random hand.

**Boards behind the percentages: 27,396,864 counted in all**

| Hand | Boards won, about | Boards tied, about | Boards lost, about |
| --- | --- | --- | --- |
| A7s | 17,133,000 | 142,000 | 10,122,000 |
| 64s | 10,122,000 | 142,000 | 17,133,000 |

The total is exact: 16 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

**A7s against 64s read as odds**

| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
| --- | --- | --- | --- | --- |
| A7s | 1.688 | 1.599 | 2.707 | 0.592 |
| 64s | 0.592 | 2.707 | 1.599 | 1.688 |

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

## Who is ahead on which flops

By flop texture, A7s' equity runs from 46.20% on low rainbow flops (nine high or lower) up to 66.67% on rainbow flops topped by a ten or better. The overall edge for A7s hides low rainbow flops (nine high or lower), where 64s comes out in front.

**A7s against 64s by flop texture, in percent**

| Flop | Share of flops | A7s wins | Ties | 64s wins | A7s equity |
| --- | --- | --- | --- | --- | --- |
| Rainbow, ten or higher | 25.220 | 66.555 | 0.229 | 33.216 | 66.670 |
| Rainbow, nine or lower | 5.689 | 45.882 | 0.631 | 53.487 | 46.198 |
| Two-tone | 46.727 | 61.805 | 0.273 | 37.922 | 61.942 |
| Monotone | 5.273 | 57.999 | 3.468 | 38.533 | 59.733 |
| Paired | 17.091 | 65.544 | 0.678 | 33.778 | 65.883 |

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

Compared with a random opponent, this matchup shifts A7s from 60.98% by +1.82 points and 64s from 41.33% by -4.13 points.

**A7s and 64s here compared with each against a random hand, in percent**

| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
| --- | --- | --- | --- | --- |
| A7s, all flops | 62.795 | 60.984 | +1.811 | 1.02970 |
| A7s, rainbow, ten or higher | 66.670 | 60.984 | +5.686 | 1.09324 |
| A7s, rainbow, nine or lower | 46.198 | 60.984 | -14.786 | 0.75754 |
| A7s, two-tone | 61.942 | 60.984 | +0.958 | 1.01571 |
| A7s, monotone | 59.733 | 60.984 | -1.251 | 0.97949 |
| A7s, paired | 65.883 | 60.984 | +4.899 | 1.08033 |
| 64s, all flops | 37.205 | 41.333 | -4.128 | 0.90013 |
| 64s, rainbow, ten or higher | 33.330 | 41.333 | -8.003 | 0.80638 |
| 64s, rainbow, nine or lower | 53.802 | 41.333 | +12.469 | 1.30167 |
| 64s, two-tone | 38.058 | 41.333 | -3.275 | 0.92077 |
| 64s, monotone | 40.267 | 41.333 | -1.066 | 0.97421 |
| 64s, paired | 34.117 | 41.333 | -7.216 | 0.82542 |

## Does a shared suit matter?

Of the deals of this matchup, 4 share a suit (A7s at 65.15%) and 12 do not (62.01%). A7s does better with a shared suit, by 3.14 points.

**A7s against 64s by suit overlap, in percent**

| Deals | Specific deals | Share of deals | A7s wins | Ties | 64s wins | A7s equity |
| --- | --- | --- | --- | --- | --- | --- |
| Share a suit | 4 | 25.00 | 64.850 | 0.596 | 34.554 | 65.148 |
| No shared suit | 12 | 75.00 | 61.764 | 0.495 | 37.741 | 62.011 |

## How often this matchup comes up

How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are A7s against 64s, and 32 (0.0020%) if either hand may sit in either seat.

## A worked example

A $100 all-in from each player makes a $200 pot, and the exact equity says A7s gets $125.60 of it on average and 64s gets $74.40.

A thousand deals look like this: A7s takes 625, 64s takes 370, 5 are ties.

## The same matchup from the other side

The reversed view, 64s against A7s, shows 37.20% for 64s and 62.80% for A7s. It is the same count, so it redirects here.

## Keep exploring

Open the calculator with As7s against 6h4h already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

- [Open As7s against 6h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=As7s&p2=6h4h)
- [A7s combos](https://georgelipoker.com/combos/a7s.md)
- [64s combos](https://georgelipoker.com/combos/64s.md)
- [A7s vs 53s](https://georgelipoker.com/equity/a7s-vs-53s.md)
- [A7s vs 43s](https://georgelipoker.com/equity/a7s-vs-43s.md)
- [A9o vs 64s](https://georgelipoker.com/equity/a9o-vs-64s.md)
- [All hand matchups](https://georgelipoker.com/equity.md)

## How this was computed

This is an exact count with no sampling. For the 16 ways to deal one A7s and one 64s without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

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

## Related

- [A7s vs 53s: preflop equity](https://georgelipoker.com/equity/a7s-vs-53s.md)
- [A7s vs 43s: preflop equity](https://georgelipoker.com/equity/a7s-vs-43s.md)
- [A9o vs 64s: preflop equity](https://georgelipoker.com/equity/a9o-vs-64s.md)