Graphics card comparison
Radeon HD 7770 GHz Edition vs Radeon R7 250X
AMD
Radeon HD 7770 GHz Edition
1024 Mb GDDR5
Released 15 Feb 2012
DESKTOP
VS
AMD
Radeon R7 250X
1024 Mb GDDR5
Released 13 Feb 2014
DESKTOP
Summary
Synthetic performance index
- Radeon HD 7770 GHz Edition103%
- Radeon R7 250X100%
Relative performance
Reasons to consider the Radeon HD 7770 GHz Edition
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 the Radeon R7 250X
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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
No clear winner declared
We have no data to declare a winner at this time.
Specifications
Core configuration
| Radeon HD 7770 GHz Edition | Radeon R7 250X |
|---|
| GPU Name | Cape Verde (Cape Verde XT) | Cape Verde (Cape Verde XT) |
| Fab Process | 28 nm | 28 nm |
| Die Size | 123 mm² | 123 mm² |
| Transistors | 1,500 million | 1,500 million |
| Shaders | 640 | 640 |
| Compute Units | 10 | 10 |
| Core clock | 1000 MHz | 950 MHz |
| ROPs | 16 | 16 |
| TMUs | 40 | 40 |
Memory configuration
| Radeon HD 7770 GHz Edition | Radeon R7 250X |
|---|
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
| Memory Speed | 1125 MHz
4500 MHz effective | 1125 MHz
4500 MHz effective |
| Memory Size | 1024 Mb | 1024 Mb |
Additional details
| Radeon HD 7770 GHz Edition | Radeon R7 250X |
|---|
| TDP | 80 watts | 80 watts |
| Release Date | 15 Feb 2012 | 13 Feb 2014 |
Raw performance comparison
Pixel Rate
- Radeon HD 7770 GHz Edition16.00 GP/s
- Radeon R7 250X15.20 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon HD 7770 GHz Edition40.00 GT/s
- Radeon R7 250X38.00 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon HD 7770 GHz Edition72.00 GB/s
- Radeon R7 250X72.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon HD 7770 GHz Edition1280.00 GFLOPs
- Radeon R7 250X1216.00 GFLOPs
GFLOPs - higher is better
Synthetic benchmarks
3DMark 11
- Radeon HD 7770 GHz Edition4170
- Radeon R7 250X4020
Points (higher is better)