Graphics card comparison
GeForce RTX 4080 12 GB vs Radeon RX 6950 XT
Nvidia
GeForce RTX 4080 12 GB
12288 Mb GDDR6X
Released 20 Sep 2022
DESKTOP
VS
AMD
Radeon RX 6950 XT
16384 Mb GDDR6
Released 10 May 2022
DESKTOP
Summary
Reasons to consider the GeForce RTX 4080 12 GB
- 50 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon RX 6950 XT .
- Higher theoretical gaming performance, based on specifications.
Reasons to consider the Radeon RX 6950 XT
- 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 4080 12 GB
Based on theoretical specifications.
Specifications
Core configuration
| GeForce RTX 4080 12 GB | Radeon RX 6950 XT |
|---|
| GPU Name | AD104 (AD104-400-A1) | Navi 21 (Navi 21 KXTX
(215-121000289)) |
| Fab Process | 4 nm | 7 nm |
| Die Size | 295 mm² | 520 mm² |
| Transistors | 35,800 million | 26,800 million |
| Shaders | 7680 | 5120 |
| Tensor Cores | 240 | none |
| Raytracing Cores | 60 | 80 |
| Compute Units | 60 | 80 |
| Core clock | 2310 MHz | 1925 MHz |
| ROPs | 80 | 128 |
| TMUs | 240 | 320 |
Memory configuration
| GeForce RTX 4080 12 GB | Radeon RX 6950 XT |
|---|
| Memory Type | GDDR6X | GDDR6 |
| Bus Width | 192 bit | 256 bit |
| Memory Speed | 1312 MHz
21 Gbps effective | 2250 MHz
18 Gbps effective |
| Memory Size | 12288 Mb | 16384 Mb |
Additional details
| GeForce RTX 4080 12 GB | Radeon RX 6950 XT |
|---|
| TDP | 285 watts | 335 watts |
| Release Date | 20 Sep 2022 | 10 May 2022 |
Raw performance comparison
Pixel Rate
- GeForce RTX 4080 12 GB208.80 GP/s
- Radeon RX 6950 XT297.50 GP/s
GigaPixels - higher is better
Texel Rate
- GeForce RTX 4080 12 GB626.40 GT/s
- Radeon RX 6950 XT743.70 GT/s
GigaTexels - higher is better
Memory bandwidth
- GeForce RTX 4080 12 GB503.80 GB/s
- Radeon RX 6950 XT576.00 GB/s
GB/s - higher is better
Single precision performance
- GeForce RTX 4080 12 GB40090.00 GFLOPs
- Radeon RX 6950 XT23800.00 GFLOPs
GFLOPs - higher is better