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GeForce 8800 GTS (G80) 320MB vs Radeon R7 M265

Intro

The GeForce 8800 GTS (G80) 320MB comes with a clock frequency of 513 MHz and a GDDR3 memory speed of 792 MHz. It also features a 320-bit bus, and makes use of a 90 nm design. It features 96 SPUs, 48 Texture Address Units, and 20 Raster Operation Units.

Compare those specs to the Radeon R7 M265, which features a core clock speed of 725 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTS (G80) 320MB will be 98% quicker than the Radeon R7 M265 overall, due to its higher bandwidth. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Radeon R7 M265 32000 MB/sec
Difference: 31360 (98%)

Texel Rate

The GeForce 8800 GTS (G80) 320MB will be a lot (more or less 42%) more effective at AF than the Radeon R7 M265. (explain)

GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Radeon R7 M265 17400 Mtexels/sec
Difference: 7224 (42%)

Pixel Rate

The GeForce 8800 GTS (G80) 320MB is a lot (approximately 77%) better at full screen anti-aliasing than the Radeon R7 M265, and also capable of handling higher resolutions more effectively. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Radeon R7 M265 5800 Mpixels/sec
Difference: 4460 (77%)

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 8800 GTS (G80) 320MB

Amazon.com

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Radeon R7 M265

Amazon.com

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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 8800 GTS (G80) 320MB Radeon R7 M265
Manufacturer nVidia AMD
Year Feb 2007 May 1 2014
Code Name G80 Opal XT
Memory 320 MB 2048 MB
Core Speed 513 MHz 725 MHz
Memory Speed 1584 MHz 2000 MHz
Power (Max TDP) 143 watts (Unknown) watts
Bandwidth 63360 MB/sec 32000 MB/sec
Texel Rate 24624 Mtexels/sec 17400 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 5800 Mpixels/sec
Unified Shaders 96 384
Texture Mapping Units 48 24
Render Output Units 20 8
Bus Type GDDR3 DDR3
Bus Width 320-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x8
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at handling 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 the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 8800 GTS (G80) 320MB

Amazon.com

Check prices at:

Radeon R7 M265

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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