GeForce GT 640 DDR3 vs Radeon RX Vega 56

Intro

Compare those specs to the Radeon RX Vega 56, which comes with core clock speeds of 1156 MHz on the GPU, and 1600 MHz on the 8192 MB of HBM2 memory. It features 3584 SPUs as well as 224 TAUs and 64 ROPs.

Display Graphs

Hide Graphs

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 RX Vega 56		21011 points
GeForce GT 640 DDR3		1560 points
	Difference: 19451 (1247%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 640 DDR3		65 Watts
Radeon RX Vega 56		210 Watts
	Difference: 145 Watts (223%)

Memory Bandwidth

As far as performance goes, the Radeon RX Vega 56 should in theory be quite a bit better than the GeForce GT 640 DDR3 overall. (explain)

Radeon RX Vega 56		419430 MB/sec
GeForce GT 640 DDR3		57024 MB/sec
	Difference: 362406 (636%)

Texel Rate

The Radeon RX Vega 56 should be much (more or less 799%) better at anisotropic filtering than the GeForce GT 640 DDR3. (explain)

Radeon RX Vega 56		258944 Mtexels/sec
GeForce GT 640 DDR3		28800 Mtexels/sec
	Difference: 230144 (799%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX Vega 56 is the winner, and very much so. (explain)

Radeon RX Vega 56		73984 Mpixels/sec
GeForce GT 640 DDR3		14400 Mpixels/sec
	Difference: 59584 (414%)

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 (measured in megabytes per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the video 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 amount of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.