Radeon HD 6990 vs Radeon R9 280X
Summary
Radeon HD 6990
100%
Radeon R9 280X
102%
Relative performance
Radeon HD 6990
100%
Radeon R9 280X
104%
Relative performance
Reasons to consider Radeon HD 6990 |
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon R9 280X |
125 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6990 . |
This is a much newer product, it might have better long term support. |
Supports Direct3D 12 Async Compute |
Supports ReLive (allows game streaming/recording with minimum performance penalty) |
Supports Mantle |
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
No clear winner declared
These graphics cards seems to have comparable performance based on the game benchmark suite used (4 combinations of games and resolutions).
Core Configuration
| Radeon HD 6990 | | Radeon R9 280X | |
---|
GPU Name | Antilles (Antilles XT) | vs | Tahiti (Tahiti XTL) |
Fab Process | 40 nm | vs | 28 nm |
Die Size | 389 mm² | vs | 352 mm² |
Transistors | 2,640 million | vs | 4,313 million |
Shaders | 1536 | vs | 2048 |
Compute Units | 24 | vs | 32 |
Core clock | 830 MHz | vs | 850 MHz |
ROPs | 32 | vs | 32 |
TMUs | 96 | vs | 128 |
Memory Configuration
| Radeon HD 6990 | | Radeon R9 280X | |
---|
Memory Type | GDDR5 | vs | GDDR5 |
Bus Width | 256 bit x2 | vs | 384 bit |
Memory Speed | 1250 MHz
5000 MHz effective | vs | 1500 MHz
6000 MHz effective |
Memory Size | 2048 Mb | vs | 3072 Mb |
Additional details
| Radeon HD 6990 | | Radeon R9 280X | |
---|
TDP | 375 watts | vs | 250 watts |
Release Date | 8 Mar 2011 | vs | 8 Oct 2013 |
Radeon HD 6990
26.60 GP/s
Radeon R9 280X
27.20 GP/s
GigaPixels - higher is better
Radeon HD 6990
79.70 GT/s
Radeon R9 280X
109.00 GT/s
GigaTexels - higher is better
Radeon HD 6990
160.00 GB/s
Radeon R9 280X
288.00 GB/s
GB/s - higher is better
Radeon HD 6990
2550.00 GFLOPs
Radeon R9 280X
3482.00 GFLOPs
GFLOPs - higher is better
Radeon HD 6990
10720
Radeon R9 280X
10960
Points (higher is better)
DX11, Ultra, DDOD, FXAA
Radeon HD 6990
45
Radeon R9 280X
48
FPS (higher is better)
DX11, Ultra Quality,DDOD, FX AA
Radeon HD 6990
71
Radeon R9 280X
69
FPS (higher is better)
DX11,Very High Quality, FXAA
Radeon HD 6990
41
Radeon R9 280X
42
FPS (higher is better)
DX11, Ultra Quality, 4xMSAA
Radeon HD 6990
60
Radeon R9 280X
67
FPS (higher is better)