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GeForce GT 340 vs GeForce GT 340 1GB
Intro
The GeForce GT 340 features a GPU core speed of 550 MHz, and the 512 MB of GDDR5 memory is set to run at 850 MHz through a 128-bit bus. It also is comprised of 96 Stream Processors, 32 TAUs, and 8 Raster Operation Units.Compare all that to the GeForce GT 340 1GB, which features a core clock frequency of 550 MHz and a GDDR5 memory frequency of 850 MHz. It also features a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 96 SPUs, 32 TAUs, and 8 ROPs.
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 the exact same texel rate, so theoretically they should be equally good at at AF. (explain)Pixel Rate
Both cards have the exact same pixel fill rate, so theoretically they should perform equally good at at full screen anti-aliasing, and be able to handle the same 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 information (counted in MB per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock 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 applied in one second.
Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - 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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