Best value: AMD Radeon RX 6900 XT (from $999) — the strongest score-per-dollar of the two.
Nvidia GeForce RTX 3090 Ti and AMD Radeon RX 6900 XT are closely matched
$1,999 at launch
Nvidia GeForce RTX 3090 Ti
84
AMD Radeon RX 6900 XT
80
Best value: AMD Radeon RX 6900 XT ($999)
Where Nvidia GeForce RTX 3090 Ti stands out
Core Specifications Base Power: 420 W
Core Specifications Maximum Power: 525 W
Memory Capacity: 24 GB
Where AMD Radeon RX 6900 XT stands out
Core Specifications Lithography Process: 7 nm
Strengths Profile
Bigger shape = stronger. Whoever reaches further wins that category.
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jul 2026.
Nvidia GeForce RTX 3090 Ti
The RTX 3090 Ti is a high-end graphics card based on Nvidia's Ampere architecture designed for demanding computing tasks. It utilizes hardware acceleration for advanced rendering techniques like ray tracing. This component is best suited for professional users and enthusiasts who require maximum performance for complex visual applications.
Best for Professional VisualizationBest for Advanced GamingBest for AI/Machine Learning Workloads
Pros
Provides dedicated functionality for simulating accurate lighting, shadows, and reflections through specialized hardware cores.
Supports a comprehensive range of features beyond graphics, including AI-accelerated processing (NGX) and CUDA support.
High computational power makes it suitable for complex visualization tasks such as architectural rendering and scientific simulation.
Cons
The advanced features like ray tracing are still computationally intensive, often requiring hybrid rendering approaches to maximize performance.
Its very high-end nature positions it at the extreme limit of mainstream consumer graphics hardware.
The AMD Radeon RX 6900 XT is an enthusiast-class graphics card powered by the Navi 21 graphics processor and equipped with 16GB of GDDR6 memory. Designed for high-end desktop gaming, it targets users looking for flagship performance to challenge Nvidia's top-tier RTX 3090 but at a lower initial price point. The card introduces hardware-based ray tracing capabilities alongside AMD's Smart Access Memory technology.
Best for High-framerate 1440p and 4K gaming in traditional rasterized titles where ray trBest for PC builders with compatible Ryzen processors looking to leverage Smart Access Me
Pros
Competitive traditional rasterization performance that closely matches the more expensive RTX 3090 in several titles
Lower launch price compared to competing flagship graphics cards from Nvidia
Performance advantages when utilizing Smart Access Memory on compatible AMD platforms
Solid thermal and acoustic performance on the reference cooler design
Cons
Disappointing ray-tracing performance compared to Nvidia's RTX 30-series competitors
Lacked a mature, widely supported DLSS competitor for image upscaling at launch
Video — reviews used (3)
Three detailed review videos covering real-world gaming benchmarks, ray tracing comparisons, power draw, and cooling efficiency.
Generated Jul 4, 2026
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Core Specifications
Feature
Nvidia GeForce RTX 3090 Ti
AMD Radeon RX 6900 XT
Base Frequency
1.56 GHz
2.015 GHz
Base Power
420 W
250 W
Maximum Frequency
1.86 GHz
2.245 GHz
Maximum Power
525 W
375 W
Lithography Process
8 nm
7 nm
Memory
Feature
Nvidia GeForce RTX 3090 Ti
AMD Radeon RX 6900 XT
Capacity
24 GB
16 GB
Technology
Bus Width
384 bit
256 bit
Bandwidth
960 GB/s
576 GB/s
Is Shared
No
No
API Support
Feature
Nvidia GeForce RTX 3090 Ti
AMD Radeon RX 6900 XT
DirectX Version
12
12
OpenGL Version
4.6
4.6
Vulkan Version
1.3
1.3
OpenCL Version
3
2
Theoretical Performance
Feature
Nvidia GeForce RTX 3090 Ti
AMD Radeon RX 6900 XT
Pixel Rate
208.3 GP/s
180 GP/s
Texture Rate
625 GT/s
576 GT/s
Performance (FP16)
40 TFLOPS
46.1 TFLOPS
Performance (FP32)
40 TFLOPS
23 TFLOPS
Performance (FP64)
625 GFLOPS
1,440 GFLOPS
Benchmark
Feature
Nvidia GeForce RTX 3090 Ti
AMD Radeon RX 6900 XT
G3D Mark
29,894
24,168
Miscellaneous
Feature
Nvidia GeForce RTX 3090 Ti
AMD Radeon RX 6900 XT
Release Date
January 27, 2022
December 8, 2020
Platform
Specification Note
Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.