Graphics card comparison
Radeon HD 6870 vs Radeon R7 250X
AMD
Radeon HD 6870
1024 Mb GDDR5
Released 21 Oct 2010
DESKTOP
VS
AMD
Radeon R7 250X
1024 Mb GDDR5
Released 13 Feb 2014
DESKTOP
Summary
Synthetic performance index
- Radeon HD 6870112%
- Radeon R7 250X100%
Relative performance
Reasons to consider the Radeon HD 6870
- Around 12% higher average synthetic performance.
- Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications
Reasons to consider the Radeon R7 250X
- 71 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6870 .
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Our verdict
HWSpot recommends the Radeon HD 6870
The Radeon HD 6870 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Specifications
Core configuration
| Radeon HD 6870 | Radeon R7 250X |
|---|
| GPU Name | Barts (Barts XT) | Cape Verde (Cape Verde XT) |
| Fab Process | 40 nm | 28 nm |
| Die Size | 255 mm² | 123 mm² |
| Transistors | 1,700 million | 1,500 million |
| Shaders | 1120 | 640 |
| Compute Units | 14 | 10 |
| Core clock | 900 MHz | 950 MHz |
| ROPs | 32 | 16 |
| TMUs | 56 | 40 |
Memory configuration
| Radeon HD 6870 | Radeon R7 250X |
|---|
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 128 bit |
| Memory Speed | 1050 MHz
4200 MHz effective | 1125 MHz
4500 MHz effective |
| Memory Size | 1024 Mb | 1024 Mb |
Additional details
| Radeon HD 6870 | Radeon R7 250X |
|---|
| TDP | 151 watts | 80 watts |
| Release Date | 21 Oct 2010 | 13 Feb 2014 |
Raw performance comparison
Pixel Rate
- Radeon HD 687028.80 GP/s
- Radeon R7 250X15.20 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon HD 687050.40 GT/s
- Radeon R7 250X38.00 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon HD 6870134.00 GB/s
- Radeon R7 250X72.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon HD 68702016.00 GFLOPs
- Radeon R7 250X1216.00 GFLOPs
GFLOPs - higher is better
Synthetic benchmarks
3DMark 11
- Radeon HD 68704540
- Radeon R7 250X4020
Points (higher is better)