36-year-old target man Giroud put the World Cup holders ahead at 2-1 with a tap-in after 32 minutes and added his second in the 71st to make the score 4-1 with a header from a Kylian Mbappe cross.
Benzema enjoyed a stellar campaign with Real Madrid last season, scoring 44 goals in 46 games in all competitions as he inspired them to a La Liga and Champions League double.
Reigning champions France take on Argentina in a showpiece final at Lusail Stadium with both teams looking to add a third star to their crest.
Lionel Messi's second-half goal gave Argentina a 1-0 home win over Ecuador on Thursday to get their 2026 World Cup qualifying campaign off on the right foot.
Images from the FIFA World Cup match between France and Poland on Sunday.
A reshuffled France drew 1-1 away to Croatia in their second Nations League game on Monday, four days after an opening defeat by Denmark.
Glimpses from Sunday's Nations League matches.
France will play Argentina, who are also looking to win the World Cup for the third time, in Sunday's final at the Lusail Stadium.
Kylian Mbappe is now expected to be paired with his favoured attacking partner in Olivier Giroud.
Images from the Nations League football matches played on Thursday.
World champions France are facing mounting injuries ahead of their Euro 2020 Round of 16 match against Switzerland on Monday, with coach Didier Deschamps struggling for options.
He owes his place in the team in Qatar to Karim Benzema's absence and will start again when the defending champions take on England in the quarter-finals on Saturday.
A round-up of Friday's action in the UEFA Nations League.
Griezmann played mainly deep, but also often close to lone striker Giroud or even on the flanks.
France started the Qatar tournament in style with a 4-1 win against Australia, but Denmark will be a sterner test at the 974 Stadium.
'We've had consistent performances over three tournaments. Tonight is the best we've played against a major nation since I've been in charge, but we have fallen short. In the end, the scoreline is what matters.'
Real Madrid's Karim Benzema, who won the 2022 Ballon d'Or award, is also in the shortlist.
The world champions crashed out of the Euros last year at the round of 16 stage after losing to Switzerland.
Deschamps said Rennes midfielder Eduardo Camavinga was called up as a late replacement for Pogba.
Argentina captain Lionel Messi said defending champions France and Brazil are the favourites to win the World Cup in Qatar as they have a core group of players who have played together for a long time.
With no clear sense of direction being set by Deschamps' selections, it may be up to the players to find their own way to deal with Messi.
Both players have been timed among the fastest in the game, with top speeds of around 36.5kpm (22.6 mph), but it is how quickly they get there that makes them different.
Didier Deschamps, for whom a 0-0 draw with Denmark was 'mission accomplished' as his side finished top of Group C ahead of the Danes.
"We've once again shown the rest of the world that English football is healthy and we've got some players not only for now but for the future as well."
France hoping Mbappe will be enough to match England's impressive depth
It took Giroud, who owed his place in the starting lineup to Benzema's absence, 115 international appearances to score his 51 goals, while Henry needed 123 from 1997-2010.
Argentina dominated the opening stages and earned the penalty when Di Maria was fouled by Ousmane Dembele, with Messi sending France keeper Hugo Lloris the wrong way to move to the top of the goalscoring charts in Qatar.
France coach Didier Deschamps heaped praise on his players after they reached the World Cup final with a 1-0 win over Belgium on Tuesday, saying the lost final at Euro 2016 was still on his mind.
World champions France won the Nations League final with goals from Karim Benzema and Kylian Mbappe earning them a 2-1 win over Spain at the San Siro stadium on Sunday.
Following are the teams in eight groups for the 2022 FIFA World Cup, which will be held in Qatar from November 20-December 18.
Zinedine Zidane will not be taking over as coach of the French national team any time soon as Didier Deschamps will remain in that job for the rest of his contract,
Didier Deschamps is confident he has prepared his players for any tactical surprises his opposite number Roberto Martinez might spring
New France captain Kylian Mbappe lived up to expectations with two goals in a 4-0 statement home win against the Netherlands.
Spurs striker Bergwijn is major casualty as Netherlands trim squad
Mihaila late show for Romania stuns Swiss in thrilling draw
Stopping the stars won't be enough to win World Cup
"It feels like a missed chance because I felt the performances were really good and the focus and the hunger was good every single day," said England midfielder Jordan Henderson.
If this sporting clash was, as English essayist, novelist and journalist George Orwell said, "war minus the shooting" both sets of players were more than ready, and set about each other with little restraint.
The football world gathered in the Qatari capital on Friday as the draw ceremony for the World Cup finals got under way with music and dance.
Didier Deschamps of France and Argentina's Lionel Scaloni should avoid the temptation to throw on a 'penalty specialist'