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GeForce GT 230 vs Radeon R7 250X

Intro

The GeForce GT 230 uses a 40 nm design. nVidia has clocked the core frequency at 550 MHz. The DDR3 memory runs at a frequency of 800 MHz on this particular model. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare all that to the Radeon R7 250X, which comes with a core clock frequency of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
Radeon R7 250X 95 Watts
Difference: 30 Watts (46%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 250X is 88% faster than the GeForce GT 230 overall, due to its higher data rate. (explain)

Radeon R7 250X 72000 MB/sec
GeForce GT 230 38400 MB/sec
Difference: 33600 (88%)

Texel Rate

The Radeon R7 250X should be a lot (approximately 355%) faster with regards to AF than the GeForce GT 230. (explain)

Radeon R7 250X 40000 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 31200 (355%)

Pixel Rate

The Radeon R7 250X will be much (approximately 264%) more effective at anti-aliasing than the GeForce GT 230, and also will be capable of handling higher screen resolutions more effectively. (explain)

Radeon R7 250X 16000 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 11600 (264%)

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 GT 230

Amazon.com

Check prices at:

Radeon R7 250X

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 GT 230 Radeon R7 250X
Manufacturer nVidia AMD
Year October 2009 February 2014
Code Name GT218 Cape Verde XT
Memory 1536 MB 1024 MB
Core Speed 550 MHz 1000 MHz
Memory Speed 1600 MHz 4500 MHz
Power (Max TDP) 65 watts 95 watts
Bandwidth 38400 MB/sec 72000 MB/sec
Texel Rate 8800 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 32 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 260 million 1500 million
Bus PCIe 2.0 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 230

Amazon.com

Check prices at:

Radeon R7 250X

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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