Charles Leclerc conceded Red Bull are in "another league" after Sergio Perez triumphed at the Azerbaijan Grand Prix on Sunday.
Perez was the fastest in Saturday's sprint and managed to stave off the pursuit of Red Bull team-mate Max Verstappen the following day in Baku, the Spaniard claiming his second win of the season.
Leclerc finished in third and the Ferrari driver acknowledged Red Bull are way ahead at present.
"Red Bull are in another league when it comes to the race," he told Sky Sports. "A very good [qualifying] lap managed to put us in front but over 51 laps it was just not possible, they have so much [more] pace than us in race pace. They found something that we didn't yet.
"The feeling is a little bit better but when I see the gap, we don't really know how much we closed the gap. The Aston Martin was also really quick so we have some work to do."
Red Bull are the seventh team in F1 history to have won the first four races of a campaign, with the victories split evenly between Perez and Verstappen.
They have now surpassed Mercedes as the team with the most wins in Baku as the individual battle between team-mates Perez and Verstappen continues to play out.
World champion Verstappen pushed throughout the race but was unable to usurp Perez, who lauded his control when leading the charge.
"It really worked out today for us," Perez said on Sky Sports. "We managed to stay in the DRS train and keep the pressure on Max.
"I think we had better degradation on that first stint. I think it was very close between us, we pushed to the maximum today, we both clipped the wall a few times.
"The way Max pushed me today was really hard but we managed to keep in control."
Verstappen had the lead after the third lap before clipping the wall on Turn 4, which allowed Perez to overtake, before the Dutchman pitted just before a safety car was deployed.
He labelled that decision to pit as "unlucky", before adding to Sky Sports: "I think the tyres were overheating a bit because of that, trying to follow.
"Also, the balance, I was struggling to be really consistent, I was playing around with the tools a little bit. Once I got that sorted, I'd say the last 10 laps were actually quite good again, but just a little bit too late.
"A lot of things learnt again throughout the race, at the end of the day, a good team result."
Sainz confident of more F1 wins once leaving Ferrari
Carlos Sainz is confident he will continue to fight for Formula 1 wins once he leaves Ferrari for Williams at the end of the season.
The 30-year-old is now in the final stretch of his four-year stint with Ferrari, with whom he has won four races.
Sainz has three more opportunities to add to that number, starting with the Las Vegas GP next week.
While the Spaniard would love to bow out on a high with Ferrari, he does not believe joining Williams will end any hopes of further triumphs.
"Nothing would make me happier than achieving something like that before the end of the year," he said when asked if he's targeting victory across the final three races.
"I'm going to give it my absolute best. If it comes, great, and I'll be for sure celebrating. And if it doesn't, I don't believe it will be my last chance of fighting for wins or podiums in Formula 1.
"I'll carry on working hard to try to get myself in a position – even if it's with Williams – to put myself in a position to win another race.
"That's what I'm hungry for and that's what I believe I can do, and that's what I've proven that I can do in Ferrari. So, yeah, it doesn't end there."
The most recent of Sainz's victories came at the Mexican Grand Prix last month when bouncing back from losing the lead to Max Verstappen.
Ferrari have not won a title in F1 since 2008 and are 36 points behind McLaren heading into the Las Vegas GP, which is followed by races in Qatar and Abu Dhabi.
However, Sainz's team-mate Charles Leclerc is hopeful of closing that gap by coming out on top in the States, having himself finished second behind Verstappen on this track last year.
"I think on paper it's a track where we should perform well," he told Sky Sports News.
"However, the fact we have improved a lot with tyre management, means on a track where it is so cold, it will be difficult to put the tyres in the right window.
"On paper, it still looks positive. Maybe not as positive as last year but seeing how close everything is, I believe we will have a shot to win it."
Carsley focusing on positives after nine England drop-outs
Lee Carsley wants the England players at his disposal to "make the most of the situation" after nine others dropped out through injury.
Everton defender Jarrad Branthwaite on Wednesday became latest player to withdraw from the Nations League games with Greece and Republic of Ireland.
Trent Alexander-Arnold, Cole Palmer, Phil Foden, Jack Grealish, Bukayo Saka, Declan Rice, Aaron Ramsdale and Levi Colwill have also dropped out.
England captain Harry Kane has admitted to being unhappy with the large number of withdrawals for interim boss Carsley's final two games in charge.
However, Carsley attempted to put a positive spin on the situation when speaking at his pre-match press conference on Wednesday ahead of facing Greece.
"The focus all camp has been on the players that are here and it's important that we make the most of the situation," he told reporters.
"With the amount of players that have pulled out, it gives other players an opportunity to be here.
"We're really looking forward to the game and it's going to be a tough test for us and the focus has been purely on the players that are here.
"With the amount of pull-outs we've had in the window, historically it's been like that in the past - November has always been a challenging window.
"But the culture that Gareth [Southgate], Steve [Holland] and the rest of the lads created has made it a really positive environment and the players that are here thoroughly deserve to be here."
Grealish was one of the first players to withdraw from the squad, having been called up despite not playing for club side Manchester City since 20 October.
City boss Pep Guardiola questioned England's decision to include Grealish in their squad as he recovers from injury, but Carsley insisted he was justified in doing so.
"The medical teams are constantly talking throughout squad selection, regardless of whether there are games or not," Carsley said.
"We are constantly getting updates. The medical departments have brilliant communication between club and country.
"It was always the case we were going to get the players who were potentially going to miss out in to the assessed. Jack was one of them. He was assessed and sent back and it was as clear as that."
England trail Group B2 leaders Greece by three points with two rounds of fixtures to play, having lost the reverse fixture 2-1 at Wembley last month.
The Three Lions have won on all four of their previous trips to face Greece, doing so by an aggregate score of 9-1 - only against Luxembourg (5/5) do they hold a better 100% win rate away from home.
However, Greece are on the longest active winning run of any European nation in all competitions (five games) and could win six consecutive matches for the first time November 2013.
Carsley, who will step aside for Thomas Tuchel after next week's home match with Republic of Ireland, said: "We're expecting a tough game against Greece and it’s one we have to win.
"But we're really looking forward to it, we've had a good week's training, the players are in good spirits and it's going to be a sell out with a great atmosphere.
"We've had to wait four or five weeks for this, but this next window is so important to us, not just tomorrow but Republic of Ireland as well, so it's a great challenge for us."
Hamilton lauds 'quite incredible' Ferrari form ahead of 2025 move
Lewis Hamilton said watching Ferrari and McLaren overhaul Red Bull in the Constructors' Championship has been "quite incredible" ahead of his move to the Italian team.
Red Bull appeared to be set for another dominant year on track after Max Verstappen won seven of the first 10 races, with team-mate Sergio Perez also securing four podiums.
However, Red Bull endured a mid-season struggle, with Verstappen failing to win in 10 races before his stunning wet-weather display at the Brazilian Grand Prix last time out.
The Dutchman is on the cusp of a fourth world championship after title rival Lando Norris could only manage sixth in Interlagos, leaving him 62 points behind in the standings.
But going into the final three races of the season, Red Bull find themselves third in the constructors' championship, 44 points behind leaders McLaren and 13 adrift of Ferrari.
Before Verstappen's victory in Brazil, Ferrari had claimed back-to-back victories in the United States and Mexico.
Charles Leclerc, Hamilton's team-mate for the Scuderia next season, won in Austin to emerge victorious for the eighth time in the competition.
That triumph was then followed up by a win at the Autrodromo Hermanos Rodriguez by Carlos Sainz, who will make way for Hamilton and join Williams next season.
And Ferrari's recent displays on track have Hamilton excited about the potential of challenging for an eighth world championship next season.
"I'm very interested in my future, of course," said Hamilton. "And so, in that respect, keeping an eye, yeah. Watching everything that happens."
"If you look at somewhere like maybe China already, the Red Bull was like a second ahead.
"And it's been quite incredible to see the McLaren rise and then the Ferrari in the last few races, to see their progress and just trying to keep an eye on everyone's car and what they're changing and what they're adding.
"You know, we all watch the video, all the drivers, we all watch the onboard laps and we're always trying to see where we can gain time.
"And there's some cars that just react differently and better or worse in certain areas.
"And you're trying to figure out how you can find that within either your balance or get the team to develop the car in that direction."
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