GeForce GTX 1650 vs Radeon HD 4870 X2

Intro

Compare all that to the Radeon HD 4870 X2, which comes with a clock frequency of 750 MHz and a GDDR5 memory speed of 900 MHz. It also uses a 256-bit bus, and makes use of a 55 nm design. It is comprised of 800(160x5) SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650		75 Watts
Radeon HD 4870 X2		350 Watts
	Difference: 275 Watts (367%)

Memory Bandwidth

In theory, the Radeon HD 4870 X2 will be 76% quicker than the GeForce GTX 1650 overall, because of its greater bandwidth. (explain)

Radeon HD 4870 X2		230400 MB/sec
GeForce GTX 1650		131072 MB/sec
	Difference: 99328 (76%)

Texel Rate

The GeForce GTX 1650 is a lot (more or less 39%) faster with regards to AF than the Radeon HD 4870 X2. (explain)

GeForce GTX 1650		83160 Mtexels/sec
Radeon HD 4870 X2		60000 Mtexels/sec
	Difference: 23160 (39%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 1650 is a better choice, by far. (explain)

GeForce GTX 1650		47520 Mpixels/sec
Radeon HD 4870 X2		24000 Mpixels/sec
	Difference: 23520 (98%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units by the core 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.