Radeon HD 7660D IGP vs GeForce GT 640
Summary
Radeon HD 7660D IGP
108%
GeForce GT 640
100%
Relative performance
Reasons to consider Radeon HD 7660D IGP |
| Around 8% higher average synthetic performance. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider GeForce GT 640 |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
HWBench recommends Radeon HD 7660D IGP
The Radeon HD 7660D IGP is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| Radeon HD 7660D IGP | | GeForce GT 640 | |
|---|
| GPU Name | Devastator () | vs | GK107 (GK107-300-A2) |
| Fab Process | 32 nm | vs | 28 nm |
| Die Size | 246 mm² | vs | 118 mm² |
| Transistors | 1,303 million | vs | 1,270 million |
| Shaders | 384 | vs | 384 |
| Compute Units | 6 | vs | 2 |
| Core clock | 800 MHz | vs | 902 MHz |
| ROPs | 8 | vs | 16 |
| TMUs | 24 | vs | 32 |
Memory Configuration
| Radeon HD 7660D IGP | | GeForce GT 640 | |
|---|
| Memory Type | System Shared | vs | DDR3 |
| Bus Width | System Shared | vs | 128 bit |
| Memory Speed | System Shared | vs | 891 MHz
1782 MHz effective |
| Memory Size | 0 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 7660D IGP | | GeForce GT 640 | |
|---|
| TDP | 100 watts | vs | 65 watts |
| Release Date | 2 Oct 2012 | vs | 5 Jun 2012 |
Radeon HD 7660D IGP
6.40 GP/s
GeForce GT 640
7.22 GP/s
GigaPixels - higher is better
Radeon HD 7660D IGP
19.20 GT/s
GeForce GT 640
28.90 GT/s
GigaTexels - higher is better
Radeon HD 7660D IGP
0.00 GB/s
GeForce GT 640
28.50 GB/s
GB/s - higher is better
Radeon HD 7660D IGP
614.40 GFLOPs
GeForce GT 640
692.70 GFLOPs
GFLOPs - higher is better
Radeon HD 7660D IGP
2370
GeForce GT 640
2190
Points (higher is better)