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Radeon R9 M295X vs Radeon RX 470
Intro
The Radeon R9 M295X comes with a clock frequency of 750 MHz and a GDDR5 memory speed of 1375 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.Compare all of that to the Radeon RX 470, which has a GPU core clock speed of 926 MHz, and 8192 MB of GDDR5 memory running at 1650 MHz through a 256-bit bus. It also features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon RX 470 |
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120 Watts |
| Radeon R9 M295X |
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125 Watts |
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Memory Bandwidth
The Radeon RX 470, in theory, should be a little bit faster than the Radeon R9 M295X overall. (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 should be quite a bit (more or less 23%) more effective at texture filtering 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
The Radeon RX 470 is a lot (approximately 23%) more effective at full screen anti-aliasing than the Radeon R9 M295X, and will be capable of handling higher resolutions while still performing well. (explain)| Radeon RX 470 |
|
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 largest amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR 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 amount of texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.
Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka 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 ability to reach the max fill rate.
Radeon R9 M295X
Radeon RX 470
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