Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
MSI GeForce RTX 5080 Shadow 16GB GDDR6X
Buy the Sapphire if you're gaming at 4K, doing heavy content creation, or want the extra VRAM headroom for AI workloads and future titles.
Grab the MSI Shadow if you're building in a compact case and want a quiet, plug-and-play card that still handles 1440p gaming well without breaking the bank.
Principales différences
- VRAM is the big one: 24GB on a 384-bit bus for the Sapphire versus 16GB on 256-bit for the MSI. That's 50% more memory and a wider pipe, which shows up in the 4K gaming score (91 vs 80) and content creation score (89 vs 68).
- The MSI actually wins on raw compute benchmarks, with a PassMark G3D of 35,666 vs 31,427 and GPU Compute of 19,602 vs 17,736, plus it has 336 tensor cores to the Sapphire's 192. But those wins don't translate to better real-world gaming or ray tracing performance.
- Power draw is a trade-off: the Sapphire pulls 339W TDP while the MSI needs 360W, so the Sapphire is actually more efficient despite being the faster card overall.
- Customer sentiment is solid for both at 4.4/5 stars, but the Sapphire has way more review data (688 vs 156 reviews). Owners specifically praise its quiet operation, cool temps, and compact size for a high-end card, though some note it demands an 850W+ PSU and can occasionally have coil whine.
Ce que disent les acheteurs
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
La Sapphire Nitro+ RX 7900 XTX est largement saluée pour ses performances exceptionnelles en 4K, son fonctionnement silencieux et son refroidissement efficace. La plupart des acheteurs vérifiés apprécient son format compact par rapport aux autres cartes haut de gamme, ses 24 Go de VRAM et l'absence de coil whine. Quelques utilisateurs signalent un léger coil whine occasionnel et une consommation électrique élevée, mais l'avis général reste très favorable.
Points forts
- Performances de jeu 4K excellentes
- Fonctionnement très silencieux
- Refroidissement efficace avec basses températures
- Format compact pour une carte haut de gamme
- 24 Go de VRAM pour la longévité
Points faibles
- Consommation électrique élevée
- Coil whine occasionnel
- Alimentation 850W+ minimum requise
- Design volumineux occupant 4 emplacements
MSI GeForce RTX 5080 Shadow 16GB GDDR6X
Les utilisateurs sont très satisfaits de cette carte graphique, louant sa simplicité d'installation, sa taille compacte et son fonctionnement silencieux. Elle est considérée comme un bon rapport qualité-prix, surtout achetée près du prix conseillé. Un acheteur note qu'elle est chère mais actuellement la deuxième meilleure du marché.
Points forts
- Installation facile
- Taille compacte pour petits boîtiers
- Fonctionnement silencieux
- Bon rapport qualité-prix près du prix conseillé
- Performances fiables
Points faibles
- Cher au prix fort
Scores
Spécifications
| Sapphire Radeon RX 7900 XTX NITRO+ | MSI GeForce RTX 5080 Shadow | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 7900 XTX | GeForce RTX 5080 |
| Brand | AMD | NVIDIA |
| Architecture | RDNA 3 | Blackwell |
| Class | consumer | consumer |
| Process | 5 | 5 |
| Memory | ||
| VRAM | 24 GB★ | 16 GB |
| Memory Type | GDDR6 | GDDR6X★ |
| Memory Bus | ||
| Bandwidth | ||
| Compute | ||
| Stream Processors | Pas de données | |
| Tensor Cores | ||
| RT Cores | 96★ | 84 |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 61.38999938964844★ | 56.279998779296875 |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 339★ | 360 |
| Recommended PSU | 800 | 750★ |
| Power Connectors | 3 x 8-Pin | — |
| Cooler | Triple Fan | Triple Fan |
| Fans | 3 | 3 |
| Connectivity | ||
| Interface | PCI Express 4.0 x16 | PCI Express 5.0 x16 |
| DisplayPort | 2 | 3★ |
| HDMI | 2★ | 1 |
| USB-C | 1★ | — |
| Max Displays | 4★ | — |
| Max Resolution | 7680 x 4320 | 3840x2160 |
| Physical | ||
| Length | 320 | 303★ |
| Slot Width | 4 | 2.9000000953674316★ |
| Form Factor | ATX | SFF |
| Weight | 1.00 kg★ | 1.04 kg |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | FSR 3.1 | — |
| AV1 Encode | ✓★ | — |
| DirectX | 12 Ultimate | 12 |
| RGB | ✓★ | — |
Avantages & Inconvénients
Sapphire Radeon RX 7900 XTX NITRO+ 24GB GDDR6 Silver
- Strong connectivity (99th percentile)99th %ile
- Strong rt (96th percentile)96th %ile
- Strong compute (95th percentile)95th %ile
- Strong ai (95th percentile)95th %ile
- Below average affordability (16th percentile)16th %ile
MSI GeForce RTX 5080 Shadow 16GB GDDR6X
- Strong raster (94th percentile)94th %ile
- Strong user sentiment (93rd percentile)93rd %ile
- Strong rt (87th percentile)87th %ile
- Strong ai (85th percentile)85th %ile
- Below average affordability (10th percentile)10th %ile
Prix
Verdict
Scores 96 overall, wins 7 of 8 usage categories and 15 of 38 specs.