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GeForce GTS 250 1GB vs Radeon RX 470

Intro

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

Compare that to the Radeon RX 470, which comes with a clock frequency of 926 MHz and a GDDR5 memory speed of 1650 MHz. It also features a 256-bit bus, and makes use of a 14 nm design. It features 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 25 Watts (21%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 470 will be 200% quicker than the GeForce GTS 250 1GB overall, because of its greater bandwidth. (explain)

Radeon RX 470 211200 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 140800 (200%)

Texel Rate

The Radeon RX 470 will be quite a bit (more or less 151%) more effective at AF than the GeForce GTS 250 1GB. (explain)

Radeon RX 470 118528 Mtexels/sec
GeForce GTS 250 1GB 47232 Mtexels/sec
Difference: 71296 (151%)

Pixel Rate

The Radeon RX 470 will be much (approximately 151%) better at full screen anti-aliasing than the GeForce GTS 250 1GB, and also will be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 470 29632 Mpixels/sec
GeForce GTS 250 1GB 11808 Mpixels/sec
Difference: 17824 (151%)

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

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Radeon RX 470

Amazon.com

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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 RX 470
Manufacturer nVidia AMD
Year March 3, 2009 August 2016
Code Name G92a/b Polaris 10
Memory 1024 MB 8192 MB
Core Speed 738 MHz 926 MHz
Memory Speed 2200 MHz 6600 MHz
Power (Max TDP) 145 watts 120 watts
Bandwidth 70400 MB/sec 211200 MB/sec
Texel Rate 47232 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 128 2048
Texture Mapping Units 64 128
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 65/55 nm 14 nm
Transistors 754 million 5700 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTS 250 1GB

Amazon.com

Check prices at:

Radeon RX 470

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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