Radeon HD 8990 OEM vs Radeon R9 390X
Summary
Reasons to consider Radeon HD 8990 OEM |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 390X |
| 100 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 8990 OEM . |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 R9 390X
Based on theoretical specifications.
Core Configuration
| Radeon HD 8990 OEM | | Radeon R9 390X | |
|---|
| GPU Name | Malta () | vs | Grenada (Grenada 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 | 1050 MHz |
| ROPs | 32 | vs | 64 |
| TMUs | 128 | vs | 176 |
Memory Configuration
| Radeon HD 8990 OEM | | Radeon R9 390X | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 384 bit x2 | vs | 512 bit |
| Memory Speed | 1500 MHz
6000 MHz effective | vs | 1500 MHz
6000 MHz effective |
| Memory Size | 3072 Mb | vs | 8192 Mb |
Additional details
| Radeon HD 8990 OEM | | Radeon R9 390X | |
|---|
| TDP | 375 watts | vs | 275 watts |
| Release Date | 24 Apr 2013 | vs | 18 Jun 2015 |
Radeon HD 8990 OEM
60.80 GP/s
Radeon R9 390X
67.20 GP/s
GigaPixels - higher is better
Radeon HD 8990 OEM
244.00 GT/s
Radeon R9 390X
184.80 GT/s
GigaTexels - higher is better
Radeon HD 8990 OEM
576.00 GB/s
Radeon R9 390X
384.00 GB/s
GB/s - higher is better
Radeon HD 8990 OEM
7782.00 GFLOPs
Radeon R9 390X
5914.00 GFLOPs
GFLOPs - higher is better