GeForce GT 640M vs Radeon HD 6730M
Summary
Reasons to consider GeForce GT 640M |
| This is a much newer product, it might have better long term support. |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
Reasons to consider Radeon HD 6730M |
| Higher theoretical gaming performance, based on specifications. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6730M
Based on theoretical specifications.
Core Configuration
| GeForce GT 640M | | Radeon HD 6730M | |
|---|
| GPU Name | GK107 (N13P-GS) | vs | Whistler (Whistler LE) |
| Fab Process | 28 nm | vs | 40 nm |
| Die Size | 118 mm² | vs | 104 mm² |
| Transistors | 1,270 million | vs | 716 million |
| Shaders | 384 | vs | 480 |
| Compute Units | 2 | vs | 6 |
| Core clock | 625 MHz | vs | 725 MHz |
| ROPs | 16 | vs | 8 |
| TMUs | 32 | vs | 24 |
Memory Configuration
| GeForce GT 640M | | Radeon HD 6730M | |
|---|
| Memory Type | DDR3 | vs | GDDR3 |
| Bus Width | 128 bit | vs | 128 bit |
| Memory Speed | 900 MHz
1800 MHz effective | vs | 800 MHz
1600 MHz effective |
| Memory Size | 2048 Mb | vs | 1024 Mb |
Additional details
| GeForce GT 640M | | Radeon HD 6730M | |
|---|
| TDP | 32 watts | vs | 35 watts |
| Release Date | 22 Mar 2012 | vs | 4 Jan 2011 |
GeForce GT 640M
5.00 GP/s
Radeon HD 6730M
5.80 GP/s
GigaPixels - higher is better
GeForce GT 640M
20.00 GT/s
Radeon HD 6730M
17.40 GT/s
GigaTexels - higher is better
GeForce GT 640M
28.80 GB/s
Radeon HD 6730M
25.60 GB/s
GB/s - higher is better
GeForce GT 640M
480.00 GFLOPs
Radeon HD 6730M
696.00 GFLOPs
GFLOPs - higher is better