GeForce GT 1030 vs Radeon R7 250

Intro

Compare those specs to the Radeon R7 250, which has GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1150 MHz through a 128-bit bus. It also is made up of 384 Stream Processors, 24 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 1030		30 Watts
Radeon R7 250		65 Watts
	Difference: 35 Watts (117%)

Memory Bandwidth

Performance-wise, the Radeon R7 250 should in theory be much better than the GeForce GT 1030 overall. (explain)

Radeon R7 250		73600 MB/sec
GeForce GT 1030		49152 MB/sec
	Difference: 24448 (50%)

Texel Rate

The GeForce GT 1030 should be quite a bit (more or less 69%) better at texture filtering than the Radeon R7 250. (explain)

GeForce GT 1030		40480 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 16480 (69%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GT 1030 is the winner, and very much so. (explain)

GeForce GT 1030		20240 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 12240 (153%)

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 largest amount of data (in units of MB per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 processed per second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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