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Radeon R9 M295X vs Radeon RX 470
Intro
The Radeon R9 M295X features a GPU clock speed of 750 MHz, and the 4096 MB of GDDR5 memory runs at 1375 MHz through a 256-bit bus. It also is made up of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.Compare those specifications to the Radeon RX 470, which features a GPU core clock speed of 926 MHz, and 8192 MB of GDDR5 memory set to run at 1650 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon RX 470 |
|
120 Watts |
| Radeon R9 M295X |
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125 Watts |
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Memory Bandwidth
The Radeon RX 470, in theory, should perform just a bit faster than the Radeon R9 M295X in general. (explain)
| Radeon RX 470 |
|
211200 MB/sec |
| Radeon R9 M295X |
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176000 MB/sec |
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Texel Rate
The Radeon RX 470 will be a lot (more or less 23%) better at AF than the Radeon R9 M295X. (explain)| Radeon RX 470 |
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118528 Mtexels/sec |
| Radeon R9 M295X |
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96000 Mtexels/sec |
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Pixel Rate
If using a high screen resolution is important to you, then the Radeon RX 470 is the winner, by a large margin. (explain)| Radeon RX 470 |
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29632 Mpixels/sec |
| Radeon R9 M295X |
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24000 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.
Price Comparison
Radeon R9 M295X
Radeon RX 470
Specifications
| Model | Radeon R9 M295X | Radeon RX 470 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | 2014 | August 2016 |
| Code Name | Unknown | Polaris 10 |
| Memory | 4096 MB | 8192 MB |
| Core Speed | 750 MHz | 926 MHz |
| Memory Speed | 5500 MHz | 6600 MHz |
| Power (Max TDP) | 125 watts | 120 watts |
| Bandwidth | 176000 MB/sec | 211200 MB/sec |
| Texel Rate | 96000 Mtexels/sec | 118528 Mtexels/sec |
| Pixel Rate | 24000 Mpixels/sec | 29632 Mpixels/sec |
| Unified Shaders | 2048 | 2048 |
| Texture Mapping Units | 128 | 128 |
| Render Output Units | 32 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 256-bit |
| Fab Process | 28 nm | 14 nm |
| Transistors | (Unknown) million | 5700 million |
| Bus | PCIe 3.0 x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11.2 | DirectX 12.0 |
| OpenGL Version | OpenGL 4.3 | OpenGL 4.5 |
Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 is worked out by multiplying the total amount of texture units of the card by the core clock 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 applied in a second.
Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.
Radeon R9 M295X
Radeon RX 470
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