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GeForce GTX 460 1GB vs Radeon HD 4870 X2
Intro
The GeForce GTX 460 1GB comes with a clock frequency of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 336 SPUs, 56 TAUs, and 32 Raster Operation Units.Compare that to the Radeon HD 4870 X2, which uses a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR5 memory is set to run at a frequency of 900 MHz on this specific card. It features 800(160x5) SPUs as well as 40 TAUs and 16 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce GTX 460 1GB |
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160 Watts |
| Radeon HD 4870 X2 |
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350 Watts |
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Memory Bandwidth
The Radeon HD 4870 X2 should in theory be quite a bit faster than the GeForce GTX 460 1GB in general. (explain)
| Radeon HD 4870 X2 |
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230400 MB/sec |
| GeForce GTX 460 1GB |
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115200 MB/sec |
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Texel Rate
The Radeon HD 4870 X2 is quite a bit (approximately 59%) faster with regards to AF than the GeForce GTX 460 1GB. (explain)| Radeon HD 4870 X2 |
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60000 Mtexels/sec |
| GeForce GTX 460 1GB |
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37800 Mtexels/sec |
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Pixel Rate
The Radeon HD 4870 X2 should be a small bit (approximately 11%) faster with regards to anti-aliasing than the GeForce GTX 460 1GB, and also capable of handling higher resolutions while still performing well. (explain)| Radeon HD 4870 X2 |
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24000 Mpixels/sec |
| GeForce GTX 460 1GB |
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21600 Mpixels/sec |
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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.
One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.
Price Comparison
GeForce GTX 460 1GBAmazon.com
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Radeon HD 4870 X2Amazon.com
Check prices at:
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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 GTX 460 1GB | Radeon HD 4870 X2 |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | July 2010 | Aug 12, 2008 |
| Code Name | GF104 | R700 |
| Memory | 1024 MB | 1024 MB (x2) |
| Core Speed | 675 MHz | 750 MHz (x2) |
| Memory Speed | 3600 MHz | 3600 MHz (x2) |
| Power (Max TDP) | 160 watts | 350 watts |
| Bandwidth | 115200 MB/sec | 230400 MB/sec |
| Texel Rate | 37800 Mtexels/sec | 60000 Mtexels/sec |
| Pixel Rate | 21600 Mpixels/sec | 24000 Mpixels/sec |
| Unified Shaders | 336 | 800(160x5) (x2) |
| Texture Mapping Units | 56 | 40 (x2) |
| Render Output Units | 32 | 16 (x2) |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 256-bit (x2) |
| Fab Process | 40 nm | 55 nm |
| Transistors | 1950 million | 956 million |
| Bus | PCIe x16 | PCIe 2.0 x16 (PCIe bridge) |
| DirectX Version | DirectX 11 | DirectX 10.1 |
| OpenGL Version | OpenGL 4.1 | OpenGL 3.0 |
Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.
Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's 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 is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.
GeForce GTX 460 1GBAmazon.com
Check prices at:
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Radeon HD 4870 X2Amazon.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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Comments
2 Responses to “GeForce GTX 460 1GB vs Radeon HD 4870 X2”I do not know if i am the right place or not but my card i Radeon HD 4870 x2 2GB and here in the abow we have tow difrent card name Radeon HD 4870 X2 and Radeon HD 4870 2GB so i do not know wich is wich. tanks a lot
The x2 card has two GPUs and hence a much higher power usage.