GeForce GT 230 vs Radeon R9 M295X

Intro

Compare those specifications to the Radeon R9 M295X, which has a GPU core clock speed of 750 MHz, and 4096 MB of GDDR5 RAM running at 1375 MHz through a 256-bit bus. It also is comprised of 2048 Stream Processors, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230		65 Watts
Radeon R9 M295X		125 Watts
	Difference: 60 Watts (92%)

Memory Bandwidth

The Radeon R9 M295X should theoretically be a lot faster than the GeForce GT 230 in general. (explain)

Radeon R9 M295X		176000 MB/sec
GeForce GT 230		38400 MB/sec
	Difference: 137600 (358%)

Texel Rate

The Radeon R9 M295X is quite a bit (approximately 991%) better at anisotropic filtering than the GeForce GT 230. (explain)

Radeon R9 M295X		96000 Mtexels/sec
GeForce GT 230		8800 Mtexels/sec
	Difference: 87200 (991%)

Pixel Rate

The Radeon R9 M295X will be a lot (about 445%) faster with regards to anti-aliasing than the GeForce GT 230, and should be able to handle higher resolutions better. (explain)

Radeon R9 M295X		24000 Mpixels/sec
GeForce GT 230		4400 Mpixels/sec
	Difference: 19600 (445%)

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 (measured in MB per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics 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 most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.