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GeForce GTX 650 Ti vs Radeon R7 250

Intro

The GeForce GTX 650 Ti makes use of a 28 nm design. nVidia has set the core frequency at 928 MHz. The GDDR5 memory is set to run at a speed of 1350 MHz on this particular card. It features 768 SPUs along with 64 TAUs and 16 ROPs.

Compare all of that to the Radeon R7 250, which features a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 RAM running at 1150 MHz through a 128-bit bus. It also is comprised of 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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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 650 Ti 3434 points
Radeon R7 250 1836 points
Difference: 1598 (87%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

In theory, the GeForce GTX 650 Ti should be just a bit faster than the Radeon R7 250 overall. (explain)

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

Texel Rate

The GeForce GTX 650 Ti is a lot (approximately 147%) more effective at AF than the Radeon R7 250. (explain)

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

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 650 Ti is the winner, by far. (explain)

GeForce GTX 650 Ti 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

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 Radeon R7 250
Manufacturer nVidia AMD
Year October 2012 October 2013
Code Name GK106 Oland XT
Memory 1024 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If 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 texture map elements (texels) that are processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the 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 number of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 650 Ti

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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