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GeForce GT 340 vs GeForce GT 340 1GB
Intro
The GeForce GT 340 uses a 40 nm design. nVidia has clocked the core speed at 550 MHz. The GDDR5 memory works at a speed of 850 MHz on this specific model. It features 96 SPUs as well as 32 TAUs and 8 Rasterization Operator Units.Compare all that to the GeForce GT 340 1GB, which has GPU clock speed of 550 MHz, and 1024 MB of GDDR5 RAM set to run at 850 MHz through a 128-bit bus. It also is made up of 96 SPUs, 32 Texture Address Units, and 8 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Both cards have the same power consumption.Memory Bandwidth
Both cards have the exact same memory bandwidth, so theoretically they should perform the same. (explain)
Texel Rate
Both cards have exactly the same texel rate, so in theory they should be equally good at at anisotropic filtering. (explain)Pixel Rate
Both cards have exactly the same pixel rate, so in theory they should be equally good at at full screen anti-aliasing, and be capable of handling the same screen resolutions. (explain)
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 GT 340Amazon.com
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GeForce GT 340 1GBAmazon.com
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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 GT 340 | GeForce GT 340 1GB |
|---|---|---|
| Manufacturer | nVidia | nVidia |
| Year | February 2010 | February 2010 |
| Code Name | GT215 | GT215 |
| Memory | 512 MB | 1024 MB |
| Core Speed | 550 MHz | 550 MHz |
| Memory Speed | 3400 MHz | 3400 MHz |
| Power (Max TDP) | 69 watts | 69 watts |
| Bandwidth | 54400 MB/sec | 54400 MB/sec |
| Texel Rate | 17600 Mtexels/sec | 17600 Mtexels/sec |
| Pixel Rate | 4400 Mpixels/sec | 4400 Mpixels/sec |
| Unified Shaders | 96 | 96 |
| Texture Mapping Units | 32 | 32 |
| Render Output Units | 8 | 8 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit | 128-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 727 million | 727 million |
| Bus | PCIe x16 | PCIe x16 |
| DirectX Version | DirectX 10.1 | DirectX 10.1 |
| OpenGL Version | OpenGL 3.3 | OpenGL 3.3 |
Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.
Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.
GeForce GT 340Amazon.com
Check prices at:
|
GeForce GT 340 1GBAmazon.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.
|
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