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Radeon R7 250 vs Radeon RX 480

Intro

The Radeon R7 250 has a core clock speed of 1000 MHz and a GDDR5 memory speed of 1150 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon RX 480, which features GPU clock speed of 1120 MHz, and 8192 MB of GDDR5 memory running at 2000 MHz through a 256-bit bus. It also is made up of 2304 SPUs, 144 TAUs, 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 480 13349 points
Radeon R7 250 1836 points
Difference: 11513 (627%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
Radeon RX 480 150 Watts
Difference: 85 Watts (131%)

Memory Bandwidth

In theory, the Radeon RX 480 is 256% faster than the Radeon R7 250 overall, due to its higher bandwidth. (explain)

Radeon RX 480 262144 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 188544 (256%)

Texel Rate

The Radeon RX 480 is much (about 572%) more effective at texture filtering than the Radeon R7 250. (explain)

Radeon RX 480 161280 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 137280 (572%)

Pixel Rate

The Radeon RX 480 should be quite a bit (more or less 348%) more effective at anti-aliasing than the Radeon R7 250, and should be capable of handling higher screen resolutions better. (explain)

Radeon RX 480 35840 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 27840 (348%)

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 250

Amazon.com

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Radeon RX 480

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.

Specifications

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Model Radeon R7 250 Radeon RX 480
Manufacturer AMD AMD
Year October 2013 June 2016
Code Name Oland XT Polaris 10
Memory 1024 MB 8192 MB
Core Speed 1000 MHz 1120 MHz
Memory Speed 4600 MHz 8000 MHz
Power (Max TDP) 65 watts 150 watts
Bandwidth 73600 MB/sec 262144 MB/sec
Texel Rate 24000 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 35840 Mpixels/sec
Unified Shaders 384 2304
Texture Mapping Units 24 144
Render Output Units 8 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 1040 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: Bandwidth is the max amount of information (in units of MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 are processed per second. This is calculated by multiplying the total amount of texture units by the core 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon R7 250

Amazon.com

Check prices at:

Radeon RX 480

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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