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GeForce GTX 550 Ti vs Radeon R7 250


Intro

The GeForce GTX 550 Ti comes with a GPU core clock speed of 900 MHz, and the 1024 MB of GDDR5 memory is set to run at 1026 MHz through a 192-bit bus. It also is comprised of 192 Stream Processors, 32 Texture Address Units, and 24 ROPs.

Compare all that to the Radeon R7 250, which has GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 memory set to run at 1150 MHz through a 128-bit bus. It also features 384 Stream Processors, 24 TAUs, and 8 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

GeForce GTX 550 Ti 1910 points
Radeon R7 250 1840 points
Difference: 70 (4%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 51 Watts (78%)

Memory Bandwidth

Theoretically, the GeForce GTX 550 Ti should perform a lot faster than the Radeon R7 250 overall. (explain)

GeForce GTX 550 Ti 98496 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 24896 (34%)

Texel Rate

The GeForce GTX 550 Ti is a small bit (more or less 20%) faster with regards to anisotropic filtering than the Radeon R7 250. (explain)

GeForce GTX 550 Ti 28800 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 4800 (20%)

Pixel Rate

The GeForce GTX 550 Ti is quite a bit (more or less 170%) more effective at FSAA than the Radeon R7 250, and should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 13600 (170%)

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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GeForce GTX 550 Ti

Amazon.com

Radeon R7 250

Amazon.com

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 GeForce GTX 550 Ti Radeon R7 250
Manufacturer nVidia AMD
Year March 2011 October 2013
Code Name GF116 Oland XT
Memory 1024 MB 1024 MB
Core Speed 900 MHz 1000 MHz
Memory Speed 4104 MHz 4600 MHz
Power (Max TDP) 116 watts 65 watts
Bandwidth 98496 MB/sec 73600 MB/sec
Texel Rate 28800 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 192 384
Texture Mapping Units 32 24
Render Output Units 24 8
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 1040 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out 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 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. The figure is calculated by multiplying the amount of colour ROPs by the the core 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 potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 550 Ti

Amazon.com

Radeon R7 250

Amazon.com

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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