GeForce GT 640 DDR3 vs Radeon R7 M265

Intro

Compare all of that to the Radeon R7 M265, which has GPU core speed of 725 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 128-bit bus. It also is made up of 384 Stream Processors, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R7 M265		3256 points
GeForce GT 640 DDR3		1560 points
	Difference: 1696 (109%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GT 640 DDR3 should in theory be quite a bit superior to the Radeon R7 M265 overall. (explain)

GeForce GT 640 DDR3		57024 MB/sec
Radeon R7 M265		32000 MB/sec
	Difference: 25024 (78%)

Texel Rate

The GeForce GT 640 DDR3 should be a lot (approximately 66%) better at AF than the Radeon R7 M265. (explain)

GeForce GT 640 DDR3		28800 Mtexels/sec
Radeon R7 M265		17400 Mtexels/sec
	Difference: 11400 (66%)

Pixel Rate

The GeForce GT 640 DDR3 will be quite a bit (approximately 148%) more effective at AA than the Radeon R7 M265, and also able to handle higher resolutions without losing too much performance. (explain)

GeForce GT 640 DDR3		14400 Mpixels/sec
Radeon R7 M265		5800 Mpixels/sec
	Difference: 8600 (148%)

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 information (in units of MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.