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GeForce GTS 250 512MB vs Radeon R9 M265X

Intro

The GeForce GTS 250 512MB has a clock frequency of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also makes use of a 256-bit memory bus, and uses a 65/55 nm design. It is made up of 128 SPUs, 64 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R9 M265X, which features clock speeds of 575 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M265X should in theory perform a bit faster than the GeForce GTS 250 512MB in general. (explain)

Radeon R9 M265X 72000 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 1600 (2%)

Texel Rate

The GeForce GTS 250 512MB should be much (about 105%) faster with regards to AF than the Radeon R9 M265X. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 24232 (105%)

Pixel Rate

The GeForce GTS 250 512MB should be much (about 28%) more effective at AA than the Radeon R9 M265X, and able to handle higher resolutions more effectively. (explain)

GeForce GTS 250 512MB 11808 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 2608 (28%)

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 GTS 250 512MB

Amazon.com

Check prices at:

Radeon R9 M265X

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 GTS 250 512MB Radeon R9 M265X
Manufacturer nVidia AMD
Year March 3, 2009 May 1 2014
Code Name G92a/b Venus Pro
Memory 512 MB 2048 MB
Core Speed 738 MHz 575 MHz
Memory Speed 2200 MHz 4500 MHz
Power (Max TDP) 145 watts (Unknown) watts
Bandwidth 70400 MB/sec 72000 MB/sec
Texel Rate 47232 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics 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 maximum amount of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 250 512MB

Amazon.com

Check prices at:

Radeon R9 M265X

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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