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GeForce 8800 GTS (G92) vs Radeon R9 M275X

Intro

The GeForce 8800 GTS (G92) features a core clock speed of 650 MHz and a GDDR3 memory speed of 970 MHz. It also features a 256-bit bus, and uses a 65 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon R9 M275X, which comes with a core clock speed of 900 MHz and a GDDR5 memory frequency of 1125 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X 50 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 85 Watts (170%)

Memory Bandwidth

The Radeon R9 M275X, in theory, should perform just a bit faster than the GeForce 8800 GTS (G92) in general. (explain)

Radeon R9 M275X 72000 MB/sec
GeForce 8800 GTS (G92) 62080 MB/sec
Difference: 9920 (16%)

Texel Rate

The GeForce 8800 GTS (G92) will be a small bit (approximately 16%) faster with regards to anisotropic filtering than the Radeon R9 M275X. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
Radeon R9 M275X 36000 Mtexels/sec
Difference: 5600 (16%)

Pixel Rate

The Radeon R9 M275X is much (approximately 38%) faster with regards to FSAA than the GeForce 8800 GTS (G92), and also should be able to handle higher resolutions better. (explain)

Radeon R9 M275X 14400 Mpixels/sec
GeForce 8800 GTS (G92) 10400 Mpixels/sec
Difference: 4000 (38%)

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 (G92)

Amazon.com

Check prices at:

Radeon R9 M275X

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 8800 GTS (G92) Radeon R9 M275X
Manufacturer nVidia AMD
Year Dec 2007 May 1 2014
Code Name G92 Venus XTX
Memory 512 MB 2048 MB
Core Speed 650 MHz 900 MHz
Memory Speed 1940 MHz 4500 MHz
Power (Max TDP) 135 watts 50 watts
Bandwidth 62080 MB/sec 72000 MB/sec
Texel Rate 41600 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is worked out 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's 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 lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

Radeon R9 M275X

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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