Radeon RX 480 vs Radeon HD 6870 X2
Summary
Reasons to consider Radeon RX 480 |
| 150 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6870 X2 . |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6870 X2 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon RX 480
Based on theoretical specifications.
Core Configuration
| Radeon RX 480 | | Radeon HD 6870 X2 | |
|---|
| GPU Name | Ellesmere (Ellesmere XT) | vs | Barts (Barts XT) |
| Fab Process | 14 nm | vs | 40 nm |
| Die Size | 232 mm² | vs | 255 mm² |
| Transistors | 5,700 million | vs | 1,700 million |
| Shaders | 2304 | vs | 1120 |
| Compute Units | 36 | vs | 14 |
| Core clock | 1120 MHz | vs | 900 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 144 | vs | 56 |
Memory Configuration
| Radeon RX 480 | | Radeon HD 6870 X2 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 256 bit x2 |
| Memory Speed | 2000 MHz
8000 MHz effective | vs | 1050 MHz
4200 MHz effective |
| Memory Size | 8192 Mb | vs | 1024 Mb |
Additional details
| Radeon RX 480 | | Radeon HD 6870 X2 | |
|---|
| TDP | 150 watts | vs | 300 watts |
| Release Date | 29 Jun 2016 | vs | 8 Jul 2011 |
Radeon RX 480
40.50 GP/s
Radeon HD 6870 X2
57.60 GP/s
GigaPixels - higher is better
Radeon RX 480
182.30 GT/s
Radeon HD 6870 X2
100.80 GT/s
GigaTexels - higher is better
Radeon RX 480
256.00 GB/s
Radeon HD 6870 X2
268.00 GB/s
GB/s - higher is better
Radeon RX 480
5834.00 GFLOPs
Radeon HD 6870 X2
4032.00 GFLOPs
GFLOPs - higher is better