Graphics card comparison
GeForce RTX 4090 Ti vs Radeon RX 6900 XT
Nvidia
GeForce RTX 4090 Ti
49152 Mb GDDR6X
Released UNRELEASED
DESKTOP
VS
AMD
Radeon RX 6900 XT
16384 Mb GDDR6
Released 28 Oct 2020
DESKTOP
Summary
Reasons to consider the GeForce RTX 4090 Ti
- Higher theoretical gaming performance, based on specifications.
Reasons to consider the Radeon RX 6900 XT
- 500 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce RTX 4090 Ti .
- Supports Direct3D 12 Async Compute
- Supports FreeSync
- Supports ReLive (allows game streaming/recording with minimum performance penalty)
- Infinity Cache allows to deliver up to 3.25x the effective memory bandwidth
- Supports DirectX Raytracing (DXR)
Our verdict
HWSpot recommends the GeForce RTX 4090 Ti
Based on theoretical specifications.
Specifications
Core configuration
| GeForce RTX 4090 Ti | Radeon RX 6900 XT |
|---|
| GPU Name | AD102 (AD102-450-A1) | Navi 21 (Navi 21 XTX) |
| Fab Process | 4 nm | 7 nm |
| Die Size | 608 mm² | 536 mm² |
| Transistors | 76,300 million | 26,800 million |
| Shaders | 18176 | 5120 |
| Tensor Cores | 568 | none |
| Raytracing Cores | 142 | none |
| Compute Units | 142 | 80 |
| Core clock | 2355 MHz | 1825 MHz |
| ROPs | 192 | 128 |
| TMUs | 568 | 320 |
Memory configuration
| GeForce RTX 4090 Ti | Radeon RX 6900 XT |
|---|
| Memory Type | GDDR6X | GDDR6 |
| Bus Width | 384 bit | 256 bit |
| Memory Speed | 1500 MHz
24 Gbps effective | 2000 MHz
16 Gbps effective |
| Memory Size | 49152 Mb | 16384 Mb |
Additional details
| GeForce RTX 4090 Ti | Radeon RX 6900 XT |
|---|
| TDP | 800 watts | 300 watts |
| Release Date | UNRELEASED | 28 Oct 2020 |
Raw performance comparison
Pixel Rate
- GeForce RTX 4090 Ti504.00 GP/s
- Radeon RX 6900 XT288.00 GP/s
GigaPixels - higher is better
Texel Rate
- GeForce RTX 4090 Ti1491.00 GT/s
- Radeon RX 6900 XT720.00 GT/s
GigaTexels - higher is better
Memory bandwidth
- GeForce RTX 4090 Ti1152.00 GB/s
- Radeon RX 6900 XT512.00 GB/s
GB/s - higher is better
Single precision performance
- GeForce RTX 4090 Ti95420.00 GFLOPs
- Radeon RX 6900 XT23040.00 GFLOPs
GFLOPs - higher is better