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GeForce GTS 250 1GB vs Radeon R9 M275X

Intro

The GeForce GTS 250 1GB comes with a GPU core clock speed of 738 MHz, and the 1024 MB of GDDR3 RAM is set to run at 1100 MHz through a 256-bit bus. It also is comprised of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon R9 M275X, which uses a 28 nm design. AMD has set the core speed at 900 MHz. The GDDR5 memory runs at a speed of 1125 MHz on this particular model. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X 50 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 95 Watts (190%)

Memory Bandwidth

The Radeon R9 M275X should in theory be a bit faster than the GeForce GTS 250 1GB in general. (explain)

Radeon R9 M275X 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 (approximately 31%) better at anisotropic filtering than the Radeon R9 M275X. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
Radeon R9 M275X 36000 Mtexels/sec
Difference: 11232 (31%)

Pixel Rate

The Radeon R9 M275X will be a lot (more or less 22%) more effective at AA than the GeForce GTS 250 1GB, and capable of handling higher resolutions better. (explain)

Radeon R9 M275X 14400 Mpixels/sec
GeForce GTS 250 1GB 11808 Mpixels/sec
Difference: 2592 (22%)

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 M275X

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 M275X
Manufacturer nVidia AMD
Year March 3, 2009 May 1 2014
Code Name G92a/b Venus XTX
Memory 1024 MB 2048 MB
Core Speed 738 MHz 900 MHz
Memory Speed 2200 MHz 4500 MHz
Power (Max TDP) 145 watts 50 watts
Bandwidth 70400 MB/sec 72000 MB/sec
Texel Rate 47232 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 14400 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 maximum amount of data (counted in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling 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 the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 250 1GB

Amazon.com

Check prices at:

Radeon R9 M275X

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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