Graphics card comparison
Radeon R9 285 vs Radeon R9 380 OEM
AMD
Radeon R9 285
2048 Mb GDDR5
Released 2 Sep 2014
DESKTOP
VS
AMD
Radeon R9 380 OEM
4096 Mb GDDR5
Released 5 May 2015
DESKTOP
Summary
Synthetic performance index
- Radeon R9 285100%
- Radeon R9 380 OEM113%
Relative performance
Reasons to consider the Radeon R9 285
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Reasons to consider the Radeon R9 380 OEM
- Around 13% higher average synthetic performance.
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Our verdict
HWSpot recommends the Radeon R9 380 OEM
The Radeon R9 380 OEM is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Specifications
Core configuration
| Radeon R9 285 | Radeon R9 380 OEM |
| GPU Name | Tonga (Tonga PRO) | Antigua (Antigua PRO) |
| Fab Process | 28 nm | 28 nm |
| Die Size | 366 mm² | 366 mm² |
| Transistors | 5,000 million | 5,000 million |
| Shaders | 1792 | 1792 |
| Compute Units | 28 | 28 |
| Core clock | 918 MHz | 918 MHz |
| ROPs | 32 | 32 |
| TMUs | 112 | 112 |
Memory configuration
| Radeon R9 285 | Radeon R9 380 OEM |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
| Memory Speed | 1375 MHz
5500 MHz effective | 1375 MHz
5500 MHz effective |
| Memory Size | 2048 Mb | 4096 Mb |
Additional details
| Radeon R9 285 | Radeon R9 380 OEM |
| TDP | 190 watts | 190 watts |
| Release Date | 2 Sep 2014 | 5 May 2015 |
Raw performance comparison
Pixel Rate
- Radeon R9 28529.38 GP/s
- Radeon R9 380 OEM29.40 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon R9 285102.80 GT/s
- Radeon R9 380 OEM103.00 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon R9 285176.00 GB/s
- Radeon R9 380 OEM176.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon R9 2853290.00 GFLOPs
- Radeon R9 380 OEM3290.00 GFLOPs
GFLOPs - higher is better
Synthetic benchmarks
3DMark 11
- Radeon R9 28510790
- Radeon R9 380 OEM12280
Points (higher is better)