GeForce GT 645 OEM vs Radeon HD 6770
Summary
Reasons to consider GeForce GT 645 OEM |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| Supports PhysX |
| Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6770 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends GeForce GT 645 OEM
Based on theoretical specifications.
Core Configuration
| GeForce GT 645 OEM | | Radeon HD 6770 | |
|---|
| GPU Name | GF114 () | vs | Juniper (Juniper XT) |
| Fab Process | 40 nm | vs | 40 nm |
| Die Size | 332 mm² | vs | 166 mm² |
| Transistors | 1,950 million | vs | 1,040 million |
| Shaders | 288 | vs | 800 |
| Compute Units | 6 | vs | 10 |
| Core clock | 776 MHz | vs | 850 MHz |
| ROPs | 24 | vs | 16 |
| TMUs | 48 | vs | 40 |
Memory Configuration
| GeForce GT 645 OEM | | Radeon HD 6770 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 192 bit | vs | 128 bit |
| Memory Speed | 957 MHz
3828 MHz effective | vs | 1200 MHz
4800 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| GeForce GT 645 OEM | | Radeon HD 6770 | |
|---|
| TDP | 102 watts | vs | 108 watts |
| Release Date | 24 Apr 2012 | vs | 21 Jan 2011 |
GeForce GT 645 OEM
9.31 GP/s
Radeon HD 6770
13.60 GP/s
GigaPixels - higher is better
GeForce GT 645 OEM
37.20 GT/s
Radeon HD 6770
34.00 GT/s
GigaTexels - higher is better
GeForce GT 645 OEM
91.90 GB/s
Radeon HD 6770
76.80 GB/s
GB/s - higher is better
GeForce GT 645 OEM
894.00 GFLOPs
Radeon HD 6770
1360.00 GFLOPs
GFLOPs - higher is better