Graphics card comparison
Radeon HD 7950 Boost vs Radeon HD 7870 XT
AMD
Radeon HD 7950 Boost
3072 Mb GDDR5
Released 22 Jun 2012
DESKTOP
VS
AMD
Radeon HD 7870 XT
2048 Mb GDDR5
Released 19 Nov 2012
DESKTOP
Summary
Synthetic performance index
- Radeon HD 7950 Boost106%
- Radeon HD 7870 XT100%
Relative performance
Gaming performance index
- Radeon HD 7950 Boost110%
- Radeon HD 7870 XT100%
Relative performance
Reasons to consider the Radeon HD 7950 Boost
- 10% higher gaming performance.
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 HD 7870 XT
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7950 Boost
The Radeon HD 7950 Boost is the better performing card based on the game benchmark suite used (3 combinations of games and resolutions).
Specifications
Core configuration
| Radeon HD 7950 Boost | Radeon HD 7870 XT |
|---|
| GPU Name | Tahiti (Tahiti PRO2) | Tahiti (Tahiti LE) |
| Fab Process | 28 nm | 28 nm |
| Die Size | 352 mm² | 352 mm² |
| Transistors | 4,313 million | 4,313 million |
| Shaders | 1792 | 1536 |
| Compute Units | 28 | 24 |
| Core clock | 850 MHz | 925 MHz |
| ROPs | 32 | 32 |
| TMUs | 112 | 96 |
Memory configuration
| Radeon HD 7950 Boost | Radeon HD 7870 XT |
|---|
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 384 bit | 256 bit |
| Memory Speed | 1250 MHz
5000 MHz effective | 1500 MHz
6000 MHz effective |
| Memory Size | 3072 Mb | 2048 Mb |
Additional details
| Radeon HD 7950 Boost | Radeon HD 7870 XT |
|---|
| TDP | 200 watts | 185 watts |
| Release Date | 22 Jun 2012 | 19 Nov 2012 |
Raw performance comparison
Pixel Rate
- Radeon HD 7950 Boost27.20 GP/s
- Radeon HD 7870 XT29.60 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon HD 7950 Boost95.20 GT/s
- Radeon HD 7870 XT88.80 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon HD 7950 Boost240.00 GB/s
- Radeon HD 7870 XT192.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon HD 7950 Boost3046.00 GFLOPs
- Radeon HD 7870 XT2842.00 GFLOPs
GFLOPs - higher is better
Synthetic benchmarks
3DMark 11
- Radeon HD 7950 Boost9130
- Radeon HD 7870 XT8590
Points (higher is better)
Game benchmarks
Bioshock Infinite
DX11, Ultra Quality,DDOD, FX AA
- Radeon HD 7950 Boost53
- Radeon HD 7870 XT49
FPS (higher is better)
Crysis 3
DX11,Very High Quality, FXAA
- Radeon HD 7950 Boost34
- Radeon HD 7870 XT31
FPS (higher is better)
Hitman Absolution
DX11, High Quality, 2x MSAA, 16x AF
- Radeon HD 7950 Boost61
- Radeon HD 7870 XT54
FPS (higher is better)