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NVIDIA Gainward Phantom+ GeForce RTX 3080 vs AMD Sapphire Nitro+ Radeon RX 6800 XT: Comparison
What is the difference between NVIDIA Gainward Phantom+ GeForce RTX 3080 and AMD Sapphire Nitro+ Radeon RX 6800 XT?
Start with vram, because it is the widest measured gap between them: NVIDIA Gainward Phantom+ GeForce RTX 3080 10 GB against AMD Sapphire Nitro+ Radeon RX 6800 XT 16 GB, 38% in favour of AMD Sapphire Nitro+ Radeon RX 6800 XT. The benchmark result agrees. Blender Cycles (GPU) puts NVIDIA Gainward Phantom+ GeForce RTX 3080 47% ahead, 4,529 against 2,406 over 579 runs.
NVIDIA Gainward Phantom+ GeForce RTX 3080 vs AMD Sapphire Nitro+ Radeon RX 6800 XT: which one fits your build
The NVIDIA Gainward Phantom+ GeForce RTX 3080 suits gamers targeting the resolution this high-end tier is built for, though it is not built for 4K/high-refresh gamers if this card's tier sits below High-End. The same goes for builders who want 10GB of VRAM without moving up a tier. It is not the one for buyers who need the absolute best price-to-performance and should compare street prices first. The AMD Sapphire Nitro+ Radeon RX 6800 XT is the one to take for gamers targeting the resolution this high-end tier is built for, though it is the wrong buy for 4K/high-refresh gamers if this card's tier sits below High-End. It also earns its place with builders who want 16GB of VRAM without moving up a tier. Avoid it for buyers who need the absolute best price-to-performance and should compare street prices first.
NVIDIA Gainward Phantom+ GeForce RTX 3080 vs AMD Sapphire Nitro+ Radeon RX 6800 XT price
At the last price check the AMD Sapphire Nitro+ Radeon RX 6800 XT was $649 and the NVIDIA Gainward Phantom+ GeForce RTX 3080 $699, a 8% premium.
Frequently asked questions
Do the NVIDIA Gainward Phantom+ GeForce RTX 3080 and AMD Sapphire Nitro+ Radeon RX 6800 XT differ on boost clock?
Yes. Boost Clock reads 1740 MHz on the NVIDIA Gainward Phantom+ GeForce RTX 3080 versus 2310 MHz on the AMD Sapphire Nitro+ Radeon RX 6800 XT.
Is the Ray Tracing Support the same on the NVIDIA Gainward Phantom+ GeForce RTX 3080 and AMD Sapphire Nitro+ Radeon RX 6800 XT?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
GPU Brand
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- NVIDIA
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- AMD
Series
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- GeForce RTX 30
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- Radeon RX 6000
Board Partner
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- Gainward
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- Sapphire
VRAM
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 10 GB-37%
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 16 GBBest
Tier
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- High-End
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- High-End
Memory Type
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- GDDR6X
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- GDDR6
Boost Clock
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 1740 MHz-25%
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 2310 MHzBest
Ray Tracing Support
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- Yes
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- Yes
TDP
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 320 W-7%
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 300 WBest
Architecture
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- Ampere (GA102)
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- RDNA 2 (Navi 21)
Card Length
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 305 mm-7%
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 286 mmBest
Slot Width
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 2.5
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 2.5
Shader Units
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 8704
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 4608
MSRP
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- $699
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- $649
Benchmarks
- 3D Rendering
Blender Cycles (GPU)
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 4,529Best
- AMD Sapphire Nitro+ Radeon RX 6800 XT
- 2,406-47%
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Renders a 3D scene on the graphics card. Shows speed in Blender and similar 3D apps, not in games.
Which one should you pick?
Choose NVIDIA Gainward Phantom+ GeForce RTX 3080 if you want the lower slot width (2.5 vs 2.5) and the higher blender cycles (GPU) (4,529 vs 2,406).
Choose AMD Sapphire Nitro+ Radeon RX 6800 XT if you want the higher VRAM (16 GB vs 10 GB), the higher boost clock (2310 MHz vs 1740 MHz) and the lower TDP (300 W vs 320 W).
Price comparison
| Retailer | NVIDIA Gainward Phantom+ GeForce RTX 3080 | AMD Sapphire Nitro+ Radeon RX 6800 XT |
|---|---|---|
| Consumercarts listing | $699.00 View on Consumercarts listing | |
| Amazon | $649.00 View on Amazon | |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
NVIDIA Gainward Phantom+ GeForce RTX 3080
8 / 10 Expert Rating
A solid high-end pick if its price and 10GB VRAM allocation match your target resolution.
AMD Sapphire Nitro+ Radeon RX 6800 XT
8 / 10 Expert Rating
A solid high-end pick if its price and 16GB VRAM allocation match your target resolution.