GeForce GTX 1630 vs GeForce GTX 960

Intro

Compare those specs to the GeForce GTX 960, which features a core clock speed of 1127 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is made up of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630		75 Watts
GeForce GTX 960		120 Watts
	Difference: 45 Watts (60%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 960 will be 14% quicker than the GeForce GTX 1630 in general, due to its higher data rate. (explain)

GeForce GTX 960		112000 MB/sec
GeForce GTX 1630		98304 MB/sec
	Difference: 13696 (14%)

Texel Rate

The GeForce GTX 960 should be quite a bit (approximately 30%) faster with regards to anisotropic filtering than the GeForce GTX 1630. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GTX 1630		55680 Mtexels/sec
	Difference: 16448 (30%)

Pixel Rate

The GeForce GTX 960 should be a lot (more or less 30%) more effective at full screen anti-aliasing than the GeForce GTX 1630, and also will be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GTX 1630		27840 Mpixels/sec
	Difference: 8224 (30%)

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: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.