GPU Comparison

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

Quick Verdict

The GeForce RTX 3090 and Radeon RX 6900 XT trade blows on raw performance, landing within a few percent of each other. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.

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

VS
Price
€1,790
Performance
39%
VRAM
24 GB GDDR6X
Key Specs Advantage
+105% CUDA Cores (10,496 vs 5,120)
+83% Bandwidth (936 GB/s vs 512 GB/s)
+50% Memory Bus (384-bit vs 256-bit)
AMD
Radeon RX 6900 XT
Price
€778
Performance
40%
VRAM
16 GB GDDR6
Key Specs Advantage
+33% Boost Clock (2,250 MHz vs 1,695 MHz)

Radeon RX 6900 XT vs GeForce RTX 3090: In-Depth Breakdown

Performance: Radeon RX 6900 XT vs GeForce RTX 3090

The GeForce RTX 3090 and Radeon RX 6900 XT post nearly the same score in our performance index, so neither holds a meaningful raw-speed advantage. Both are best suited to 1440p gaming.

Price & Value

The Radeon RX 6900 XT currently lists from $778 EUR, $1,012 EUR less than the GeForce RTX 3090 at $1,790 EUR. Because it's both faster and competitively priced, the Radeon RX 6900 XT wins on performance-per-dollar by about 136%. The Radeon RX 6900 XT is trading below its $999 EUR MSRP — a genuine deal. The GeForce RTX 3090 still sits about $291 EUR above its $1,499 EUR MSRP.

Power & Efficiency

At 300W against 350W, the Radeon RX 6900 XT is both the lower-power and the more efficient card, making it the easier build to cool and power.

VRAM & Future-Proofing

The GeForce RTX 3090 carries 24GB versus 16GB on the Radeon RX 6900 XT. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 3090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6900 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 6900 XT?

The Radeon RX 6900 XT is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 3090 if you find it at a steep discount.

Frequently Asked Questions

Is the Radeon RX 6900 XT better than the GeForce RTX 3090?

They're very close on raw performance. The Radeon RX 6900 XT edges ahead on value, so price and availability should decide it.

Which is better for 4K gaming, the GeForce RTX 3090 or the Radeon RX 6900 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 $1,012 EUR over the Radeon RX 6900 XT?

Only if you need the extra performance or features; on pure value the Radeon RX 6900 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 6900 XT
ArchitectureAmpereRDNA 2
Process NodeSamsung 8nmTSMC N7
CUDA Cores (CUDA Cores / Stream Processors)10,4965,120
Ray Tracing Cores8280
Tensor / AI Cores328

Clock Speeds

SpecificationGeForce RTX 3090Radeon RX 6900 XT
Base Clock1,395 MHz1,825 MHz
Boost Clock1,695 MHz2,250 MHz

Memory

SpecificationGeForce RTX 3090Radeon RX 6900 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 6900 XT
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP350 W300 W
Power Connectors1x 12-pin2x 8-pin
ReleasedSep 2020Dec 2020