Guide
RTX 4070 Super vs RX 7800 XT — Which to choose in 2026?
The RTX 4070 Super ($525 – $600) and the RX 7800 XT ($350 – $425) are two of the most popular GPUs in their price range. This comparison covers 1080p and 1440p performance, power draw, price, and helps you decide which card fits your build best.
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RTX 4070 Super or RX 7800 XT: quick summary
The RTX 4070 Super delivers better overall performance in our benchmarks. The RX 7800 XT stays competitive, especially as a value option on the used market.
At 1080p: the RTX 4070 Super has more headroom in demanding titles. At 1440p: the gap widens — the RTX 4070 Super is more comfortable targeting 60+ FPS at high/ultra settings.
Power draw and PSU compatibility
The RTX 4070 Super has a TDP of 220W; the RX 7800 XT draws 263W. The RTX 4070 Super is more power-efficient — a notable advantage for small cases or PSUs under 650W.
Price and value in 2026
In 2026, the RTX 4070 Super sells for around $525 – $600 and the RX 7800 XT for $350 – $425. The RTX 4070 Super justifies its premium with higher performance, particularly at 1440p.
Frequently asked questions
RTX 4070 Super vs RX 7800 XT — laquelle est plus rapide ?
En raster pur, la RTX 4070 Super devance d'environ 5–15 % selon le jeu. Écart maximal sur Warzone 1440p (~152 vs ~133 FPS). Avec DLSS 3 + RT, l'avantage Nvidia se creuse.
4070 Super ou 7800 XT pour un achat neuf en 2026 ?
RX 7800 XT pour le meilleur €/FPS (320–380 €). RTX 4070 Super (490–560 €) si DLSS 3, RT, NVENC ou conso basse (220 W) comptent.
4070 Super vs 7800 XT — même duel que 4070 vs 7800 XT ?
Non. Sur la 4070 classique, la 7800 XT gagnait souvent en raster. Le refresh Super (janv. 2024) renverse le duel — voir 4070 vs 7800 XT pour l'ancien match.
Confusion 4070 Super et 4070 Ti Super ?
Ce guide compare 4070 Super 12 Go et RX 7800 XT 16 Go. La 4070 Ti Super (16 Go, 2024) est une carte au-dessus — autre prix, autre perf.
Quelle alimentation pour RTX 4070 Super ou RX 7800 XT ?
4070 Super : 650 W 80+ Gold avec Ryzen 5 / i5. 7800 XT : 700–750 W recommandé (~263 W TDP + pics CPU).
RTX 4070 Super vs RX 7800 XT en 1440p ?
La Super est plus à l'aise en high/ultra (~92 vs ~82 FPS Cyberpunk). La 7800 XT reste très jouable en medium–high avec 16 Go VRAM — meilleur €/FPS.
Quels prix en France en juillet 2026 ?
RTX 4070 Super 490–560 € neuf. RX 7800 XT 320–380 € neuf — écart ~150–170 €. 7800 XT < ~330 € ou Super < ~500 € = zones intéressantes sur Dealabs.
Faut-il upgrader d'une 7800 XT vers une 4070 Super ?
Rarement pour le raster seul — tu paierais +150 € pour ~10 % de FPS. Ce duel sert surtout aux acheteurs neufs ou upgrade depuis 6700 XT / 4060 Ti.
4070 Super ou 7800 XT pour streamer ?
RTX 4070 Super — NVENC + DLSS 3. La 7800 XT encode via AMF ou CPU — moins confortable pour stream 1080p60–1440p régulier.
7800 XT Leboncoin — à quel prix ça vaut le coup ?
< ~280 € testée (FurMark + jeu de référence) = excellent €/FPS raster. Super occasion ~450 € si tu veux l'écosystème Nvidia avec garantie.
Sources & methodology
How we wrote this guide
Comparatif PC4Games RTX 4070 Super vs RX 7800 XT — mise à jour juillet 2026. FPS raster sans DLSS Frame Generation ; prix marché français TTC.
- Benchmarks 1080p/1440p High–Ultra, CPU milieu de gamme, ReBAR activé.
- Prix : LDLC, TopAchat, Amazon, Dealabs (neuf) ; Leboncoin (occasion testée).
- Widget GpuComparison interactif en tête de page.
- Prochaine révision si écart prix > 10 % ou repositionnement RTX 50 / RX 9000.
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