GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

The GeForce RTX 3090 is marginally faster than the Radeon RX 6800 XT, leading by roughly 5% in our performance index. The Radeon RX 6800 XT, however, delivers more performance per dollar — $1,190 EUR cheaper.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
Price
€1,790
Performance
39%
VRAM
24 GB GDDR6X
Key Specs Advantage
+128% CUDA Cores (10,496 vs 4,608)
+83% Bandwidth (936 GB/s vs 512 GB/s)
+50% Memory Bus (384-bit vs 256-bit)
AMD
Radeon RX 6800 XT
Price
€600
Performance
37%
VRAM
16 GB GDDR6
Key Specs Advantage
+33% Boost Clock (2,250 MHz vs 1,695 MHz)

GeForce RTX 3090 vs Radeon RX 6800 XT: In-Depth Breakdown

Performance: GeForce RTX 3090 vs Radeon RX 6800 XT

The GeForce RTX 3090 is marginally faster, around 5% ahead of the Radeon RX 6800 XT. Both cards sit in the same broad class, well suited to 1440p.

Price & Value

Right now the Radeon RX 6800 XT starts at $600 EUR against $1,790 EUR for the GeForce RTX 3090. Despite being slower, the Radeon RX 6800 XT offers the better performance-per-dollar (~183% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6800 XT is trading below its $649 EUR MSRP — a genuine deal. The GeForce RTX 3090 still sits about $291 EUR above its $1,499 EUR MSRP.

Power & Efficiency

The Radeon RX 6800 XT draws just 300W versus 350W for the GeForce RTX 3090, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.

VRAM & Future-Proofing

With 24GB against 16GB, the GeForce RTX 3090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6800 XT's 16GB can fall short.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 3090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6800 XT offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.

Which should you buy: GeForce RTX 3090 or Radeon RX 6800 XT?

Choose the GeForce RTX 3090 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6800 XT stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the GeForce RTX 3090 better than the Radeon RX 6800 XT?

The GeForce RTX 3090 is marginally faster, roughly 5% ahead. The Radeon RX 6800 XT is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the GeForce RTX 3090 or the Radeon RX 6800 XT?

Neither is a dedicated 4K card; both are best at 1440p. For 4K you'd want a faster GPU, or lean on upscaling.

Is the GeForce RTX 3090 worth the extra $1,190 EUR over the Radeon RX 6800 XT?

Only if you need the extra performance or features; on pure value the Radeon RX 6800 XT comes out ahead.

Does the GeForce RTX 3090 have enough VRAM advantage to matter?

Its 24GB (vs 16GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.

Technical Specifications Comparison

Architecture & Cores

SpecificationGeForce RTX 3090Radeon RX 6800 XT
ArchitectureAmpereRDNA 2
Process NodeSamsung 8nmTSMC N7
CUDA Cores (CUDA Cores / Stream Processors)10,4964,608
Ray Tracing Cores8272
Tensor / AI Cores328

Clock Speeds

SpecificationGeForce RTX 3090Radeon RX 6800 XT
Base Clock1,395 MHz1,825 MHz
Boost Clock1,695 MHz2,250 MHz

Memory

SpecificationGeForce RTX 3090Radeon RX 6800 XT
VRAM Capacity24 GB16 GB
Memory TypeGDDR6XGDDR6
Memory Bus384-bit256-bit
Memory Speed19.5 Gbps16 Gbps
Bandwidth936 GB/s512 GB/s

Connectivity & Power

SpecificationGeForce RTX 3090Radeon RX 6800 XT
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP350 W300 W
Power Connectors1x 12-pin2x 8-pin
ReleasedSep 2020Oct 2020