Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE and Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE lead their respective parties' fields, but a new national poll finds that their primary challengers perform better in general election match-ups.

A Quinnipiac University survey released Wednesday found that Trump leads the GOP field with 43 percent, followed by Texas Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE at 29 percent and Ohio Gov. John Kasich at 16 percent.

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On the Democratic side, Clinton leads Vermont Sen. Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE (I) by double digits, 50 to 38 percent.

But in a general election match-ups, John Kasich defeats Clinton by 8 points, 47 to 39 percent. He barely edges out Sanders, beating the Vermont senator by 1 point.

Sanders holds a double-digit lead over the other two GOP candidates, defeating Trump, 52 to 38 percent, and besting Cruz, 50 to 39 percent.

Clinton also beats Trump and Cruz, but by smaller margins than her Democratic rival. She beats Trump by 6 points, 46 to 40 percent, and tops Cruz by only 3 points, 45 to 42 percent.

Trump, Clinton and Cruz rall eceived negative favorability ratings, while both Kasich and Sanders got positive ones.

“Donald Trump and Hillary Clinton may have the overall leads among primary voters, but there is not a lot of love in the room as a big percentage of Americans say of the frontrunners they could take ‘em or leave ‘em,” Tim Malloy, assistant director of the Quinnipiac University Poll, said in a statement.

“Though short on delegates and short on time, Sen. Bernie Sanders and Gov. John Kasich can hang their hats on the fact that if folks went to the polls today, they’d fare better than the other candidates,” he added.

The poll was conducted from March 16 to 21 and surveyed 1,451 registered voters via phone. The overall margin of error was 2.6 percentage points. The poll surveyed 652 GOP voters with a margin of error of 3.8 percentage points and 635 Democratic voters with a margin of error of 3.9 percentage points.