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GeForce GTX 1080 vs Radeon R5 M330

Intro

The GeForce GTX 1080 features clock speeds of 1607 MHz on the GPU, and 1251 MHz on the 8192 MB of GDDR5X RAM. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Compare those specifications to the Radeon R5 M330, which comes with core speeds of 1030 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs as well as 20 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 1080 should be much faster than the Radeon R5 M330 overall. (explain)

GeForce GTX 1080 327680 MB/sec
Radeon R5 M330 14400 MB/sec
Difference: 313280 (2176%)

Texel Rate

The GeForce GTX 1080 is a lot (more or less 1148%) more effective at texture filtering than the Radeon R5 M330. (explain)

GeForce GTX 1080 257120 Mtexels/sec
Radeon R5 M330 20600 Mtexels/sec
Difference: 236520 (1148%)

Pixel Rate

The GeForce GTX 1080 is quite a bit (approximately 1148%) more effective at FSAA than the Radeon R5 M330, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1080 102848 Mpixels/sec
Radeon R5 M330 8240 Mpixels/sec
Difference: 94608 (1148%)

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 GTX 1080

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 GTX 1080 Radeon R5 M330
Manufacturer nVidia AMD
Year May 2016 2015
Code Name GP104-400 Oland
Memory 8192 MB 2048 MB
Core Speed 1607 MHz 1030 MHz
Memory Speed 10008 MHz 1800 MHz
Power (Max TDP) 180 watts (Unknown) watts
Bandwidth 327680 MB/sec 14400 MB/sec
Texel Rate 257120 Mtexels/sec 20600 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 8240 Mpixels/sec
Unified Shaders 2560 320
Texture Mapping Units 160 20
Render Output Units 64 8
Bus Type GDDR5X DDR3
Bus Width 256-bit 64-bit
Fab Process 16 nm 28 nm
Transistors 7200 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number 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 - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 1080

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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