Graphics card comparison
Radeon HD 6870 vs Radeon HD 7790
AMD
Radeon HD 6870
1024 Mb GDDR5
Released 21 Oct 2010
DESKTOP
VS
AMD
Radeon HD 7790
1024 Mb GDDR5
Released 22 Mar 2013
DESKTOP
Summary
Synthetic performance index
- Radeon HD 6870100%
- Radeon HD 7790134%
Relative performance
Gaming performance index
- Radeon HD 6870100%
- Radeon HD 7790121%
Relative performance
Reasons to consider the Radeon HD 6870
- Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications
Reasons to consider the Radeon HD 7790
- 21% higher gaming performance.
- 66 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 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Our verdict
HWSpot recommends the Radeon HD 7790
The Radeon HD 7790 is the better performing card based on the game benchmark suite used (5 combinations of games and resolutions).
Specifications
Core configuration
| Radeon HD 6870 | Radeon HD 7790 |
|---|
| GPU Name | Barts (Barts XT) | Bonaire (Bonaire XT) |
| Fab Process | 40 nm | 28 nm |
| Die Size | 255 mm² | 160 mm² |
| Transistors | 1,700 million | 2,080 million |
| Shaders | 1120 | 896 |
| Compute Units | 14 | 14 |
| Core clock | 900 MHz | 1000 MHz |
| ROPs | 32 | 16 |
| TMUs | 56 | 56 |
Memory configuration
| Radeon HD 6870 | Radeon HD 7790 |
|---|
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 128 bit |
| Memory Speed | 1050 MHz
4200 MHz effective | 1500 MHz
6000 MHz effective |
| Memory Size | 1024 Mb | 1024 Mb |
Additional details
| Radeon HD 6870 | Radeon HD 7790 |
|---|
| TDP | 151 watts | 85 watts |
| Release Date | 21 Oct 2010 | 22 Mar 2013 |
Raw performance comparison
Pixel Rate
- Radeon HD 687028.80 GP/s
- Radeon HD 779016.00 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon HD 687050.40 GT/s
- Radeon HD 779056.00 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon HD 6870134.00 GB/s
- Radeon HD 779096.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon HD 68702016.00 GFLOPs
- Radeon HD 77901792.00 GFLOPs
GFLOPs - higher is better
Synthetic benchmarks
3DMark 11
- Radeon HD 68704540
- Radeon HD 77906110
Points (higher is better)
Game benchmarks
Battlefield 4
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
- Radeon HD 687023
- Radeon HD 779033
FPS (higher is better)
Bioshock Infinite
DX11, Ultra Quality,DDOD, FX AA
- Radeon HD 687029
- Radeon HD 779033
FPS (higher is better)
Crysis 3
DX11,Very High Quality, FXAA
- Radeon HD 687017
- Radeon HD 779021
FPS (higher is better)
Medal Of Honor Warfighter
DX11, Ultra Quality, 4xMSAA
- Radeon HD 687025
- Radeon HD 779030
FPS (higher is better)
Bioshock Infinite
DX11, Ultra, DDOD, FXAA
- Radeon HD 687018
- Radeon HD 779019
FPS (higher is better)