 |
 |
|
|
|
GeForce GTX 560 vs Radeon HD 7770
Intro
The GeForce GTX 560 features a core clock frequency of 810 MHz and a GDDR5 memory frequency of 1001 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.Compare those specs to the Radeon HD 7770, which makes use of a 28 nm design. ATi has clocked the core speed at 1000 MHz. The GDDR5 RAM runs at a speed of 1125 MHz on this particular card. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 7770 |
|
80 Watts |
| GeForce GTX 560 |
|
150 Watts |
|
|
Memory Bandwidth
As far as performance goes, the GeForce GTX 560 should theoretically be quite a bit better than the Radeon HD 7770 overall. (explain)
| GeForce GTX 560 |
|
128128 MB/sec |
| Radeon HD 7770 |
|
72000 MB/sec |
|
|
Texel Rate
The GeForce GTX 560 is a bit (about 13%) more effective at anisotropic filtering than the Radeon HD 7770. (explain)| GeForce GTX 560 |
|
45360 Mtexels/sec |
| Radeon HD 7770 |
|
40000 Mtexels/sec |
|
|
Pixel Rate
The GeForce GTX 560 will be a lot (about 62%) faster with regards to full screen anti-aliasing than the Radeon HD 7770, and will be capable of handling higher resolutions more effectively. (explain)| GeForce GTX 560 |
|
25920 Mpixels/sec |
| Radeon HD 7770 |
|
16000 Mpixels/sec |
|
|
Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.
Price Comparison
Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.
GeForce GTX 560Amazon.com
Other US-based stores
Amazon.co.uk
Amazon.de
Amazon.fr
|
Radeon HD 7770Amazon.com
Other US-based stores
Amazon.co.uk
Amazon.de
Amazon.fr
|
Specifications
| Model | GeForce GTX 560 | Radeon HD 7770 |
|---|---|---|
| Manufacturer | nVidia | ATi |
| Year | May 2011 | February 2012 |
| Code Name | GF114 | Cape Verde XT |
| Fab Process | 40 nm | 28 nm |
| Bus | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 810 MHz | 1000 MHz |
| Shader Speed | 1600 MHz | (N/A) MHz |
| Memory Speed | 1001 MHz (4004 MHz effective) | 1125 MHz (4500 MHz effective) |
| Unified Shaders | 336 | 640 |
| Texture Mapping Units | 56 | 40 |
| Render Output Units | 32 | 16 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 128-bit |
| DirectX Version | DirectX 11 | DirectX 11.1 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.2 |
| Power (Max TDP) | 150 watts | 80 watts |
| Shader Model | 5.0 | 5.0 |
| Bandwidth | 128128 MB/sec | 72000 MB/sec |
| Texel Rate | 45360 Mtexels/sec | 40000 Mtexels/sec |
| Pixel Rate | 25920 Mpixels/sec | 16000 Mpixels/sec |
Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.
Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.
Comments
One Response to “GeForce GTX 560 vs Radeon HD 7770”[...] New budget pc. Rs 32k. Suggestions and advices needed plz. 560 and 7770 comparision: GeForce GTX 560 vs Radeon HD 7770 I would guess, the 6870 is a better competitor for the 560. [...]