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Radeon HD 7870 XT vs Radeon RX 5500
Intro
The Radeon HD 7870 XT comes with a core clock speed of 925 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It features 1536 SPUs, 96 Texture Address Units, and 32 ROPs.Compare those specs to the Radeon RX 5500, which has GPU core speed of 1670 MHz, and 4096 MB of GDDR6 RAM running at 1750 MHz through a 128-bit bus. It also features 1408 SPUs, 88 TAUs, and 32 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon RX 5500 |
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150 Watts |
| Radeon HD 7870 XT |
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185 Watts |
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Memory Bandwidth
The Radeon RX 5500 should theoretically be a bit faster than the Radeon HD 7870 XT overall. (explain)
| Radeon RX 5500 |
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229376 MB/sec |
| Radeon HD 7870 XT |
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192000 MB/sec |
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Texel Rate
The Radeon RX 5500 is quite a bit (approximately 65%) more effective at AF than the Radeon HD 7870 XT. (explain)| Radeon RX 5500 |
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146960 Mtexels/sec |
| Radeon HD 7870 XT |
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88800 Mtexels/sec |
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Pixel Rate
The Radeon RX 5500 should be much (about 81%) faster with regards to full screen anti-aliasing than the Radeon HD 7870 XT, and should be able to handle higher screen resolutions without losing too much performance. (explain)| Radeon RX 5500 |
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53440 Mpixels/sec |
| Radeon HD 7870 XT |
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29600 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 HD 7870 XTAmazon.com
Check prices at:
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Radeon RX 5500Amazon.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 | Radeon HD 7870 XT | Radeon RX 5500 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | November 2012 | October 2019 |
| Code Name | Tahiti LE | Navi 14 XT |
| Memory | 2048 MB | 4096 MB |
| Core Speed | 925 MHz | 1670 MHz |
| Memory Speed | 6000 MHz | 3500 GB/s |
| Power (Max TDP) | 185 watts | 150 watts |
| Bandwidth | 192000 MB/sec | 229376 MB/sec |
| Texel Rate | 88800 Mtexels/sec | 146960 Mtexels/sec |
| Pixel Rate | 29600 Mpixels/sec | 53440 Mpixels/sec |
| Unified Shaders | 1536 | 1408 |
| Texture Mapping Units | 96 | 88 |
| Render Output Units | 32 | 32 |
| Bus Type | GDDR5 | GDDR6 |
| Bus Width | 256-bit | 128-bit |
| Fab Process | 28 nm | 7 nm |
| Transistors | 4313 million | 6400 million |
| Bus | PCIe 3.0 x16 | PCIe 4.0 ×16 |
| DirectX Version | DirectX 11.1 | DirectX 12 |
| OpenGL Version | OpenGL 4.3 | OpenGL 4.6 |
Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once 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 higher screen resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the 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 most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.
Radeon HD 7870 XTAmazon.com
Check prices at:
|
Radeon RX 5500Amazon.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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