 |
 |
GeForce 8800 GT 256MB vs Radeon HD 6450 (OEM)
Intro
The GeForce 8800 GT 256MB has a core clock frequency of 600 MHz and a GDDR3 memory frequency of 700 MHz. It also uses a 256-bit bus, and uses a 65 nm design. It features 112 SPUs, 56 TAUs, and 16 ROPs.Compare those specifications to the Radeon HD 6450 (OEM), which comes with core speeds of 625 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 160 SPUs along with 8 TAUs and 4 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 6450 (OEM) |
|
31 Watts |
| GeForce 8800 GT 256MB |
|
105 Watts |
|
|
Memory Bandwidth
Theoretically speaking, the GeForce 8800 GT 256MB should be a lot faster than the Radeon HD 6450 (OEM) overall. (explain)
| GeForce 8800 GT 256MB |
|
44800 MB/sec |
| Radeon HD 6450 (OEM) |
|
12800 MB/sec |
|
|
Texel Rate
The GeForce 8800 GT 256MB will be quite a bit (more or less 572%) more effective at AF than the Radeon HD 6450 (OEM). (explain)| GeForce 8800 GT 256MB |
|
33600 Mtexels/sec |
| Radeon HD 6450 (OEM) |
|
5000 Mtexels/sec |
|
|
Pixel Rate
If using lots of anti-aliasing is important to you, then the GeForce 8800 GT 256MB is the winner, and very much so. (explain)| GeForce 8800 GT 256MB |
|
9600 Mpixels/sec |
| Radeon HD 6450 (OEM) |
|
2500 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
GeForce 8800 GT 256MBAmazon.com
Check prices at:
|
Radeon HD 6450 (OEM)Amazon.com
Check prices at:
|
Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.
Specifications
| Model | GeForce 8800 GT 256MB | Radeon HD 6450 (OEM) |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | Dec 2007 | February 2011 |
| Code Name | G92 | Caicos |
| Memory | 256 MB | 512 MB |
| Core Speed | 600 MHz | 625 MHz |
| Memory Speed | 1400 MHz | 1600 MHz |
| Power (Max TDP) | 105 watts | 31 watts |
| Bandwidth | 44800 MB/sec | 12800 MB/sec |
| Texel Rate | 33600 Mtexels/sec | 5000 Mtexels/sec |
| Pixel Rate | 9600 Mpixels/sec | 2500 Mpixels/sec |
| Unified Shaders | 112 | 160 |
| Texture Mapping Units | 56 | 8 |
| Render Output Units | 16 | 4 |
| Bus Type | GDDR3 | GDDR3 |
| Bus Width | 256-bit | 64-bit |
| Fab Process | 65 nm | 40 nm |
| Transistors | 754 million | 370 million |
| Bus | PCIe x16 2.0 | PCIe 2.1 x16 |
| DirectX Version | DirectX 10 | DirectX 11 |
| OpenGL Version | OpenGL 3.0 | OpenGL 4.1 |
Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better 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 number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.
Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.
GeForce 8800 GT 256MBAmazon.com
Check prices at:
|
Radeon HD 6450 (OEM)Amazon.com
Check prices at:
|
Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.
|
Comments
Be the first to leave a comment!