Compare any two graphics cards:
GeForce 8800 GT 512MB vs GeForce 9800 GTX+
Intro
The GeForce 8800 GT 512MB makes use of a 65 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 RAM runs at a frequency of 900 MHz on this particular card. It features 112 SPUs as well as 56 TAUs and 16 ROPs.
Compare all of that to the GeForce 9800 GTX+, which uses a 55 nm design. nVidia has set the core frequency at 738 MHz. The GDDR3 RAM runs at a frequency of 1100 MHz on this particular model. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce 8800 GT 512MB |
|
105 Watts |
| GeForce 9800 GTX+ |
|
145 Watts |
| |
Difference: 40 Watts (38%)
|
|
Memory Bandwidth
As far as performance goes, the GeForce 9800 GTX+ should theoretically be much superior to the GeForce 8800 GT 512MB overall. (explain)
| GeForce 9800 GTX+ |
|
70400 MB/sec |
| GeForce 8800 GT 512MB |
|
57600 MB/sec |
| |
Difference: 12800 (22%)
|
|
Texel Rate
The GeForce 9800 GTX+ should be much (more or less 41%) better at anisotropic filtering than the GeForce 8800 GT 512MB. (
explain)
| GeForce 9800 GTX+ |
|
47232 Mtexels/sec |
| GeForce 8800 GT 512MB |
|
33600 Mtexels/sec |
| |
Difference: 13632 (41%)
|
|
Pixel Rate
If running with a high resolution is important to you, then the GeForce 9800 GTX+ is superior to the GeForce 8800 GT 512MB, by far. (
explain)
| GeForce 9800 GTX+ |
|
11808 Mpixels/sec |
| GeForce 8800 GT 512MB |
|
9600 Mpixels/sec |
| |
Difference: 2208 (23%)
|
|
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 8800 GT 512MB
Amazon.com
Other US-based stores
Amazon.co.uk
Amazon.de
Amazon.fr
|
GeForce 9800 GTX+
Amazon.com
Other US-based stores
Amazon.co.uk
Amazon.de
Amazon.fr
|
Specifications
| Model
| GeForce 8800 GT 512MB |
GeForce 9800 GTX+ |
| Manufacturer
| nVidia |
nVidia |
| Year
| Oct 2007 |
July 2008 |
| Code Name
| G92 |
G92b |
| Fab Process
| 65 nm |
55 nm |
| Bus
| PCIe x16 2.0 |
PCIe x16 2.0 |
| Memory
| 512 MB |
512 MB |
| Core Speed
| 600 MHz |
738 MHz |
| Shader Speed
| 1500 MHz |
1836 MHz |
| Memory Speed
| 900 MHz |
1100 MHz |
| Unified Shaders
| 112 |
128 |
| Texture Mapping Units
| 56 |
64 |
| Render Output Units
| 16 |
16 |
| Bus Type
| GDDR3 |
GDDR3 |
| Bus Width
| 256-bit |
256-bit |
| DirectX Version
| DirectX 10 |
DirectX 10 |
| OpenGL Version
| OpenGL 3.0 |
OpenGL 3.0 |
| Power (Max TDP)
| 105 watts |
145 watts |
| Shader Model
| 4.0 |
4.0 |
| Bandwidth
| 57600 MB/sec |
70400 MB/sec |
| Texel Rate
| 33600 Mtexels/sec |
47232 Mtexels/sec |
| Pixel Rate
| 9600 Mpixels/sec |
11808 Mpixels/sec |
Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x.
The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.
Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.
Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen.
The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.
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