Radeon HD 7990 vs Radeon R9 290X
Summary
Radeon HD 7990
114%
Radeon R9 290X
100%
Relative performance
Radeon HD 7990
123%
Radeon R9 290X
100%
Relative performance
Reasons to consider Radeon HD 7990 |
| 23% higher gaming performance. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon R9 290X |
| 85 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7990 . |
| Supports Direct3D 12 Async Compute |
| Supports FreeSync |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports TrueAudio |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon HD 7990
The Radeon HD 7990 is the better performing card based on the game benchmark suite used (5 combinations of games and resolutions).
Core Configuration
| Radeon HD 7990 | | Radeon R9 290X | |
|---|
| GPU Name | Malta () | vs | Hawaii (Hawaii XT) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 365 mm² | vs | 438 mm² |
| Transistors | 4,313 million | vs | 6,200 million |
| Shaders | 2048 | vs | 2816 |
| Compute Units | 32 | vs | 44 |
| Core clock | 950 MHz | vs | 1000 MHz |
| ROPs | 32 | vs | 64 |
| TMUs | 128 | vs | 176 |
Memory Configuration
| Radeon HD 7990 | | Radeon R9 290X | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 384 bit x2 | vs | 512 bit |
| Memory Speed | 1500 MHz
6000 MHz effective | vs | 1250 MHz
5000 MHz effective |
| Memory Size | 3072 Mb | vs | 4096 Mb |
Additional details
| Radeon HD 7990 | | Radeon R9 290X | |
|---|
| TDP | 375 watts | vs | 290 watts |
| Release Date | 24 Apr 2013 | vs | 24 Oct 2013 |
Radeon HD 7990
60.80 GP/s
Radeon R9 290X
64.00 GP/s
GigaPixels - higher is better
Radeon HD 7990
244.00 GT/s
Radeon R9 290X
176.00 GT/s
GigaTexels - higher is better
Radeon HD 7990
576.00 GB/s
Radeon R9 290X
320.00 GB/s
GB/s - higher is better
Radeon HD 7990
7782.00 GFLOPs
Radeon R9 290X
5632.00 GFLOPs
GFLOPs - higher is better
Radeon HD 7990
18530
Radeon R9 290X
16210
Points (higher is better)
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
Radeon HD 7990
128
Radeon R9 290X
92
FPS (higher is better)
DX11, Ultra Quality,DDOD, FX AA
Radeon HD 7990
122
Radeon R9 290X
95
FPS (higher is better)
DX11,Very High Quality, FXAA
Radeon HD 7990
79
Radeon R9 290X
55
FPS (higher is better)
DX11, High Quality, 2x MSAA, 16x AF
Radeon HD 7990
79
Radeon R9 290X
80
FPS (higher is better)
DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal
Radeon HD 7990
71
Radeon R9 290X
67
FPS (higher is better)