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GeForce GT 320 vs Radeon R5 M330

Intro

The GeForce GT 320 features a clock frequency of 540 MHz and a GDDR3 memory speed of 790 MHz. It also features a 128-bit bus, and uses a 40 nm design. It is comprised of 72 SPUs, 24 TAUs, and 8 Raster Operation Units.

Compare all that to the Radeon R5 M330, which comes with GPU clock speed of 1030 MHz, and 2048 MB of DDR3 RAM running at 900 MHz through a 64-bit bus. It also features 320 Stream Processors, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GT 320 should be 76% quicker than the Radeon R5 M330 in general, because of its higher data rate. (explain)

GeForce GT 320 25280 MB/sec
Radeon R5 M330 14400 MB/sec
Difference: 10880 (76%)

Texel Rate

The Radeon R5 M330 will be a lot (more or less 59%) more effective at texture filtering than the GeForce GT 320. (explain)

Radeon R5 M330 20600 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 7640 (59%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R5 M330 is the winner, and very much so. (explain)

Radeon R5 M330 8240 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 3920 (91%)

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

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GeForce GT 320

Amazon.com

Check prices at:

Radeon R5 M330

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GT 320 Radeon R5 M330
Manufacturer nVidia AMD
Year February 2010 2015
Code Name GT215 Oland
Memory 1024 MB 2048 MB
Core Speed 540 MHz 1030 MHz
Memory Speed 1580 MHz 1800 MHz
Power (Max TDP) 43 watts (Unknown) watts
Bandwidth 25280 MB/sec 14400 MB/sec
Texel Rate 12960 Mtexels/sec 20600 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 8240 Mpixels/sec
Unified Shaders 72 320
Texture Mapping Units 24 20
Render Output Units 8 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 40 nm 28 nm
Transistors 727 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (in units of MB per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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

Display Prices

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GeForce GT 320

Amazon.com

Check prices at:

Radeon R5 M330

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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