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GeForce GTX 650 Ti 2GB vs Radeon R7 250

Intro

The GeForce GTX 650 Ti 2GB uses a 28 nm design. nVidia has clocked the core frequency at 928 MHz. The GDDR5 memory works at a frequency of 1350 MHz on this model. It features 768 SPUs as well as 64 TAUs and 16 ROPs.

Compare those specifications to the Radeon R7 250, which comes with a clock frequency of 1000 MHz and a GDDR5 memory speed of 1150 MHz. It also features a 128-bit memory bus, and uses a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce GTX 650 Ti 2GB 110 Watts
Difference: 45 Watts (69%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti 2GB should be a small bit faster than the Radeon R7 250 in general. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 12800 (17%)

Texel Rate

The GeForce GTX 650 Ti 2GB is much (approximately 147%) faster with regards to texture filtering than the Radeon R7 250. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 35392 (147%)

Pixel Rate

The GeForce GTX 650 Ti 2GB should be quite a bit (about 86%) better at FSAA than the Radeon R7 250, and also will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 6848 (86%)

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 650 Ti 2GB

Amazon.com

Check prices at:

Radeon R7 250

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 GeForce GTX 650 Ti 2GB Radeon R7 250
Manufacturer nVidia AMD
Year October 2012 October 2013
Code Name GK106 Oland XT
Memory 2048 MB 1024 MB
Core Speed 928 MHz 1000 MHz
Memory Speed 5400 MHz 4600 MHz
Power (Max TDP) 110 watts 65 watts
Bandwidth 86400 MB/sec 73600 MB/sec
Texel Rate 59392 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 768 384
Texture Mapping Units 64 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon R7 250

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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