Radeon HD 6870 X2 vs Radeon R7 265
Summary
Reasons to consider Radeon HD 6870 X2 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon R7 265 |
| 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. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
No clear winner declared
We have no data to declare a winner at this time.
Core Configuration
| Radeon HD 6870 X2 | | Radeon R7 265 | |
|---|
| GPU Name | Barts (Barts XT) | vs | Pitcairn (Pitcairn PRO) |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 255 mm² | vs | 212 mm² |
| Transistors | 1,700 million | vs | 2,800 million |
| Shaders | 1120 | vs | 1024 |
| Compute Units | 14 | vs | 16 |
| Core clock | 900 MHz | vs | 900 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 56 | vs | 64 |
Memory Configuration
| Radeon HD 6870 X2 | | Radeon R7 265 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit x2 | vs | 256 bit |
| Memory Speed | 1050 MHz
4200 MHz effective | vs | 1400 MHz
5600 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 6870 X2 | | Radeon R7 265 | |
|---|
| TDP | 300 watts | vs | 150 watts |
| Release Date | 8 Jul 2011 | vs | 13 Feb 2014 |
Radeon HD 6870 X2
57.60 GP/s
Radeon R7 265
29.60 GP/s
GigaPixels - higher is better
Radeon HD 6870 X2
100.80 GT/s
Radeon R7 265
59.20 GT/s
GigaTexels - higher is better
Radeon HD 6870 X2
268.00 GB/s
Radeon R7 265
179.20 GB/s
GB/s - higher is better
Radeon HD 6870 X2
4032.00 GFLOPs
Radeon R7 265
1894.40 GFLOPs
GFLOPs - higher is better