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Radeon R7 250X vs Radeon RX 570

Intro

The Radeon R7 250X comes with a core clock speed of 1000 MHz and a GDDR5 memory speed of 1125 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 ROPs.

Compare those specs to the Radeon RX 570, which has GPU core speed of 1168 MHz, and 4096 MB of GDDR5 RAM set to run at 1750 MHz through a 256-bit bus. It also is comprised of 2048 Stream Processors, 128 Texture Address Units, and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 570 12108 points
Radeon R7 250X 2860 points
Difference: 9248 (323%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 95 Watts
Radeon RX 570 150 Watts
Difference: 55 Watts (58%)

Memory Bandwidth

In theory, the Radeon RX 570 should be quite a bit faster than the Radeon R7 250X overall. (explain)

Radeon RX 570 229376 MB/sec
Radeon R7 250X 72000 MB/sec
Difference: 157376 (219%)

Texel Rate

The Radeon RX 570 should be a lot (approximately 274%) better at anisotropic filtering than the Radeon R7 250X. (explain)

Radeon RX 570 149504 Mtexels/sec
Radeon R7 250X 40000 Mtexels/sec
Difference: 109504 (274%)

Pixel Rate

The Radeon RX 570 is much (more or less 134%) faster with regards to FSAA than the Radeon R7 250X, and also should be capable of handling higher screen resolutions more effectively. (explain)

Radeon RX 570 37376 Mpixels/sec
Radeon R7 250X 16000 Mpixels/sec
Difference: 21376 (134%)

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

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Radeon R7 250X

Amazon.com

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Radeon RX 570

Amazon.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

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Model Radeon R7 250X Radeon RX 570
Manufacturer AMD AMD
Year February 2014 April 2017
Code Name Cape Verde XT Polaris 20
Memory 1024 MB 4096 MB
Core Speed 1000 MHz 1168 MHz
Memory Speed 4500 MHz 7000 MHz
Power (Max TDP) 95 watts 150 watts
Bandwidth 72000 MB/sec 229376 MB/sec
Texel Rate 40000 Mtexels/sec 149504 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 37376 Mpixels/sec
Unified Shaders 640 2048
Texture Mapping Units 40 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 1500 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 information (in units of MB per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 amount of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total texture units of the card by the core 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon R7 250X

Amazon.com

Check prices at:

Radeon RX 570

Amazon.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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