GeForce GTX 1080 vs Radeon HD 7990
Summary
GeForce GTX 1080
162%
Radeon HD 7990
100%
Relative performance
Reasons to consider GeForce GTX 1080 |
| 195 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7990 . |
| This is a much newer product, it might have better long term support. |
| Around 62% higher average synthetic performance. |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Supports Direct3D 12 Async Compute |
| Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon HD 7990 |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 GeForce GTX 1080
The GeForce GTX 1080 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| GeForce GTX 1080 | | Radeon HD 7990 | |
|---|
| GPU Name | GP104 (GP104-400-A1) | vs | Malta () |
| Fab Process | 16 nm | vs | 28 nm |
| Die Size | 314 mm² | vs | 365 mm² |
| Transistors | 7,200 million | vs | 4,313 million |
| Shaders | 2560 | vs | 2048 |
| Compute Units | 20 | vs | 32 |
| Core clock | 1607 MHz | vs | 950 MHz |
| ROPs | 64 | vs | 32 |
| TMUs | 160 | vs | 128 |
Memory Configuration
| GeForce GTX 1080 | | Radeon HD 7990 | |
|---|
| Memory Type | GDDR5X | vs | GDDR5 |
| Bus Width | 256 bit | vs | 384 bit x2 |
| Memory Speed | 1251 MHz
10008 MHz effective | vs | 1500 MHz
6000 MHz effective |
| Memory Size | 8192 Mb | vs | 3072 Mb |
Additional details
| GeForce GTX 1080 | | Radeon HD 7990 | |
|---|
| TDP | 180 watts | vs | 375 watts |
| Release Date | 27 May 2016 | vs | 24 Apr 2013 |
GeForce GTX 1080
102.80 GP/s
Radeon HD 7990
60.80 GP/s
GigaPixels - higher is better
GeForce GTX 1080
257.10 GT/s
Radeon HD 7990
244.00 GT/s
GigaTexels - higher is better
GeForce GTX 1080
320.00 GB/s
Radeon HD 7990
576.00 GB/s
GB/s - higher is better
GeForce GTX 1080
8228.00 GFLOPs
Radeon HD 7990
7782.00 GFLOPs
GFLOPs - higher is better
GeForce GTX 1080
30160
Radeon HD 7990
18530
Points (higher is better)