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NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 vs AMD Sapphire Nitro+ Radeon RX 6900 XT: Comparison
NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 vs AMD Sapphire Nitro+ Radeon RX 6900 XT vram compared
Start with vram, because it is the widest measured gap between them: NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 24 GB against AMD Sapphire Nitro+ Radeon RX 6900 XT 16 GB, 33% in favour of NVIDIA PNY XLR8 Verto OC GeForce RTX 4090. Measured rather than claimed: in Blender Cycles (GPU) the NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 returns 11,062 against 2,603 over 526 runs, a 76% lead.
Who each one is for
The NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 suits gamers targeting the resolution this flagship tier is built for, though it is not the pick for 4K/high-refresh gamers if this card's tier sits below High-End. The same goes for builders who want 24GB 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. The AMD Sapphire Nitro+ Radeon RX 6900 XT is the one to take for gamers targeting the resolution this flagship tier is built for, though it is not built 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.
NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 vs AMD Sapphire Nitro+ Radeon RX 6900 XT price
Cost splits them too. AMD Sapphire Nitro+ Radeon RX 6900 XT sits at $999, NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 at $1,599, 60% more.
Frequently asked questions
Do the NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 and AMD Sapphire Nitro+ Radeon RX 6900 XT differ on tdp?
Yes. TDP reads 450 W on the NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 versus 300 W on the AMD Sapphire Nitro+ Radeon RX 6900 XT.
Is the Ray Tracing Support the same on the NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 and AMD Sapphire Nitro+ Radeon RX 6900 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 PNY XLR8 Verto OC GeForce RTX 4090
- NVIDIA
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- AMD
Series
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- GeForce RTX 40
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- Radeon RX 6000
Board Partner
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- PNY
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- Sapphire
VRAM
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 24 GBBest
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 16 GB-33%
Tier
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- Flagship
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- Flagship
Memory Type
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- GDDR6X
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- GDDR6
Boost Clock
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 2565 MHzBest
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 2340 MHz-9%
Ray Tracing Support
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- Yes
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- Yes
TDP
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 450 W-50%
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 300 WBest
Architecture
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- Ada Lovelace (AD102)
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- RDNA 2 (Navi 21)
Card Length
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 337 mm-18%
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 286 mmBest
Slot Width
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 3.5-40%
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 2.5Best
Shader Units
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 16384
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 5120
MSRP
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- $1,599
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- $999
Benchmarks
- 3D Rendering
Blender Cycles (GPU)
- NVIDIA PNY XLR8 Verto OC GeForce RTX 4090
- 11,062Best
- AMD Sapphire Nitro+ Radeon RX 6900 XT
- 2,603-76%
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 PNY XLR8 Verto OC GeForce RTX 4090 if you want the higher VRAM (24 GB vs 16 GB), the higher boost clock (2565 MHz vs 2340 MHz) and the higher blender cycles (GPU) (11,062 vs 2,603).
Choose AMD Sapphire Nitro+ Radeon RX 6900 XT if you want the lower TDP (300 W vs 450 W), the lower card length (286 mm vs 337 mm) and the lower slot width (2.5 vs 3.5).
Price comparison
| Retailer | NVIDIA PNY XLR8 Verto OC GeForce RTX 4090 | AMD Sapphire Nitro+ Radeon RX 6900 XT |
|---|---|---|
| Consumercarts listing | $1,599.00 View on Consumercarts listing | $999.00 View on Consumercarts listing |
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 PNY XLR8 Verto OC GeForce RTX 4090
9 / 10 Expert Rating
A solid flagship pick if its price and 24GB VRAM allocation match your target resolution.
AMD Sapphire Nitro+ Radeon RX 6900 XT
9 / 10 Expert Rating
A solid flagship pick if its price and 16GB VRAM allocation match your target resolution.




