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NVIDIA Gainward Phantom+ GeForce RTX 3080 vs AMD Sapphire Nitro+ Radeon RX 6800: Comparison
What is the difference between NVIDIA Gainward Phantom+ GeForce RTX 3080 and AMD Sapphire Nitro+ Radeon RX 6800?
On vram the spread is 38%, NVIDIA Gainward Phantom+ GeForce RTX 3080 10 GB against AMD Sapphire Nitro+ Radeon RX 6800 16 GB, so AMD Sapphire Nitro+ Radeon RX 6800 takes it. Measured rather than claimed: in Blender Cycles (GPU) the NVIDIA Gainward Phantom+ GeForce RTX 3080 returns 4,529 against 1,872 over 579 runs, a 59% lead.
NVIDIA Gainward Phantom+ GeForce RTX 3080 vs AMD Sapphire Nitro+ Radeon RX 6800: 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. It is equally the pick 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. Buy the AMD Sapphire Nitro+ Radeon RX 6800 for gamers targeting the resolution this high-end tier is built for, though it is not the pick 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. It is the wrong buy for buyers who need the absolute best price-to-performance and should compare street prices first.
Which is cheaper, NVIDIA Gainward Phantom+ GeForce RTX 3080 or AMD Sapphire Nitro+ Radeon RX 6800?
At the last price check the AMD Sapphire Nitro+ Radeon RX 6800 was $579 and the NVIDIA Gainward Phantom+ GeForce RTX 3080 $699, a 21% premium.
Frequently asked questions
Do the NVIDIA Gainward Phantom+ GeForce RTX 3080 and AMD Sapphire Nitro+ Radeon RX 6800 differ on tdp?
Yes. TDP reads 320 W on the NVIDIA Gainward Phantom+ GeForce RTX 3080 versus 250 W on the AMD Sapphire Nitro+ Radeon RX 6800.
Is the Ray Tracing Support the same on the NVIDIA Gainward Phantom+ GeForce RTX 3080 and AMD Sapphire Nitro+ Radeon RX 6800?
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
- AMD
Series
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- GeForce RTX 30
- AMD Sapphire Nitro+ Radeon RX 6800
- Radeon RX 6000
Board Partner
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- Gainward
- AMD Sapphire Nitro+ Radeon RX 6800
- Sapphire
VRAM
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 10 GB-37%
- AMD Sapphire Nitro+ Radeon RX 6800
- 16 GBBest
Tier
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- High-End
- AMD Sapphire Nitro+ Radeon RX 6800
- High-End
Memory Type
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- GDDR6X
- AMD Sapphire Nitro+ Radeon RX 6800
- GDDR6
Boost Clock
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 1740 MHz-20%
- AMD Sapphire Nitro+ Radeon RX 6800
- 2170 MHzBest
Ray Tracing Support
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- Yes
- AMD Sapphire Nitro+ Radeon RX 6800
- Yes
TDP
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 320 W-28%
- AMD Sapphire Nitro+ Radeon RX 6800
- 250 WBest
Architecture
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- Ampere (GA102)
- AMD Sapphire Nitro+ Radeon RX 6800
- RDNA 2 (Navi 21)
Card Length
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 305 mm-7%
- AMD Sapphire Nitro+ Radeon RX 6800
- 286 mmBest
Slot Width
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 2.5
- AMD Sapphire Nitro+ Radeon RX 6800
- 2.5
Shader Units
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 8704
- AMD Sapphire Nitro+ Radeon RX 6800
- 3840
MSRP
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- $699
- AMD Sapphire Nitro+ Radeon RX 6800
- $579
Benchmarks
- 3D Rendering
Blender Cycles (GPU)
- NVIDIA Gainward Phantom+ GeForce RTX 3080
- 4,529Best
- AMD Sapphire Nitro+ Radeon RX 6800
- 1,872-59%
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 1,872).
Choose AMD Sapphire Nitro+ Radeon RX 6800 if you want the higher VRAM (16 GB vs 10 GB), the higher boost clock (2170 MHz vs 1740 MHz) and the lower TDP (250 W vs 320 W).
Price comparison
| Retailer | NVIDIA Gainward Phantom+ GeForce RTX 3080 | AMD Sapphire Nitro+ Radeon RX 6800 |
|---|---|---|
| Consumercarts listing | $699.00 View on Consumercarts listing | |
| Amazon | $579.00 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
8 / 10 Expert Rating
A solid high-end pick if its price and 16GB VRAM allocation match your target resolution.




