GeForce GTS 250 1GB vs GeForce GTX 1050

Intro

Compare those specs to the GeForce GTX 1050, which has a clock speed of 1354 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 128-bit memory bus, and uses a 14 nm design. It features 640 SPUs, 40 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050		75 Watts
GeForce GTS 250 1GB		145 Watts
	Difference: 70 Watts (93%)

Memory Bandwidth

The GeForce GTX 1050 should theoretically be a lot faster than the GeForce GTS 250 1GB overall. (explain)

GeForce GTX 1050		114688 MB/sec
GeForce GTS 250 1GB		70400 MB/sec
	Difference: 44288 (63%)

Texel Rate

The GeForce GTX 1050 is a bit (about 15%) more effective at texture filtering than the GeForce GTS 250 1GB. (explain)

GeForce GTX 1050		54160 Mtexels/sec
GeForce GTS 250 1GB		47232 Mtexels/sec
	Difference: 6928 (15%)

Pixel Rate

The GeForce GTX 1050 should be a lot (approximately 267%) more effective at FSAA than the GeForce GTS 250 1GB, and also able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1050		43328 Mpixels/sec
GeForce GTS 250 1GB		11808 Mpixels/sec
	Difference: 31520 (267%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video 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 can possibly write 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 the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.