Radeon HD 6990 vs Radeon HD 7950
Summary
Radeon HD 6990
117%
Radeon HD 7950
100%
Relative performance
Radeon HD 6990
151%
Radeon HD 7950
100%
Relative performance
Reasons to consider Radeon HD 6990 |
| 51% higher gaming performance. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 7950 |
| 175 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6990
The Radeon HD 6990 is the better performing card based on the game benchmark suite used (2 combinations of games and resolutions).
Core Configuration
| Radeon HD 6990 | | Radeon HD 7950 | |
|---|
| GPU Name | Antilles (Antilles XT) | vs | Tahiti (Tahiti PRO) |
| 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 | 1792 |
| Compute Units | 24 | vs | 28 |
| Core clock | 830 MHz | vs | 800 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 96 | vs | 112 |
Memory Configuration
| Radeon HD 6990 | | Radeon HD 7950 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit x2 | vs | 384 bit |
| Memory Speed | 1250 MHz
5000 MHz effective | vs | 1250 MHz
5000 MHz effective |
| Memory Size | 2048 Mb | vs | 3072 Mb |
Additional details
| Radeon HD 6990 | | Radeon HD 7950 | |
|---|
| TDP | 375 watts | vs | 200 watts |
| Release Date | 8 Mar 2011 | vs | 31 Jan 2012 |
Radeon HD 6990
26.60 GP/s
Radeon HD 7950
25.60 GP/s
GigaPixels - higher is better
Radeon HD 6990
79.70 GT/s
Radeon HD 7950
89.60 GT/s
GigaTexels - higher is better
Radeon HD 6990
160.00 GB/s
Radeon HD 7950
240.00 GB/s
GB/s - higher is better
Radeon HD 6990
2550.00 GFLOPs
Radeon HD 7950
2867.00 GFLOPs
GFLOPs - higher is better
Radeon HD 6990
10720
Radeon HD 7950
9130
Points (higher is better)
DX11, Ultra, DDOD, FXAA
Radeon HD 6990
45
Radeon HD 7950
36
FPS (higher is better)
DX11,Very High Quality, FXAA
Radeon HD 6990
41
Radeon HD 7950
23
FPS (higher is better)