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GeForce GTS 250 1GB vs Radeon R9 M270X

Intro

The GeForce GTS 250 1GB comes with a clock speed of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also uses a 256-bit bus, and makes use of a 65/55 nm design. It features 128 SPUs, 64 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon R9 M270X, which comes with a clock frequency of 725 MHz and a GDDR5 memory frequency of 1125 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M270X will be 2% faster than the GeForce GTS 250 1GB in general, because of its higher data rate. (explain)

Radeon R9 M270X 72000 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 1600 (2%)

Texel Rate

The GeForce GTS 250 1GB should be quite a bit (about 63%) more effective at AF than the Radeon R9 M270X. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
Radeon R9 M270X 29000 Mtexels/sec
Difference: 18232 (63%)

Pixel Rate

The GeForce GTS 250 1GB is a bit (about 2%) better at FSAA than the Radeon R9 M270X, and should be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTS 250 1GB 11808 Mpixels/sec
Radeon R9 M270X 11600 Mpixels/sec
Difference: 208 (2%)

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 1GB

Amazon.com

Check prices at:

Radeon R9 M270X

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 1GB Radeon R9 M270X
Manufacturer nVidia AMD
Year March 3, 2009 May 1 2014
Code Name G92a/b Venus XT
Memory 1024 MB 2048 MB
Core Speed 738 MHz 725 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 29000 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 11600 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: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better 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 can be applied per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, 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 amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 250 1GB

Amazon.com

Check prices at:

Radeon R9 M270X

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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