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GeForce GTX 650 vs Radeon R7 250

Intro

The GeForce GTX 650 has core clock speeds of 1058 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 RAM. It features 384 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon R7 250, which features clock speeds of 1000 MHz on the GPU, and 1150 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
Radeon R7 250 65 Watts
Difference: 1 Watts (2%)

Memory Bandwidth

Performance-wise, the GeForce GTX 650 should theoretically be a small bit better than the Radeon R7 250 in general. (explain)

GeForce GTX 650 80000 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 6400 (9%)

Texel Rate

The GeForce GTX 650 should be quite a bit (about 41%) better at anisotropic filtering than the Radeon R7 250. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 9856 (41%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 650 is superior to the Radeon R7 250, by far. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 8928 (112%)

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

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 650 Radeon R7 250
Manufacturer nVidia AMD
Year September 2012 October 2013
Code Name GK107 Oland XT
Memory 2048 MB 1024 MB
Core Speed 1058 MHz 1000 MHz
Memory Speed 5000 MHz 4600 MHz
Power (Max TDP) 64 watts 65 watts
Bandwidth 80000 MB/sec 73600 MB/sec
Texel Rate 33856 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 384 384
Texture Mapping Units 32 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1300 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 information (counted in MB per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. 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 in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Comments

2 Responses to “GeForce GTX 650 vs Radeon R7 250”
gamer says:

GTX 650 = R7 250 (fps)

king says:

r u mad GTX 650 is 40 times better than fucking r250

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