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GeForce 9800 GX2 vs Radeon R9 M365X

Intro

The GeForce 9800 GX2 comes with a clock speed of 600 MHz and a GDDR3 memory speed of 1000 MHz. It also makes use of a 256-bit bus, and uses a 65 nm design. It is comprised of 128 SPUs, 64 TAUs, and 16 ROPs.

Compare all of that to the Radeon R9 M365X, which features core clock speeds of 925 MHz on the GPU, and 1125 MHz on the 4096 MB of GDDR5 memory. It features 640 SPUs along with 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 9800 GX2 should theoretically be quite a bit faster than the Radeon R9 M365X in general. (explain)

GeForce 9800 GX2 128000 MB/sec
Radeon R9 M365X 72000 MB/sec
Difference: 56000 (78%)

Texel Rate

The GeForce 9800 GX2 will be a lot (approximately 108%) more effective at anisotropic filtering than the Radeon R9 M365X. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon R9 M365X 37000 Mtexels/sec
Difference: 39800 (108%)

Pixel Rate

The GeForce 9800 GX2 should be quite a bit (about 30%) better at full screen anti-aliasing than the Radeon R9 M365X, and also should be able to handle higher resolutions more effectively. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
Radeon R9 M365X 14800 Mpixels/sec
Difference: 4400 (30%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon R9 M365X

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 9800 GX2 Radeon R9 M365X
Manufacturer nVidia AMD
Year Mar 2008 2015
Code Name G92 Cape Verde
Memory 512 MB (x2) 4096 MB
Core Speed 600 MHz (x2) 925 MHz
Memory Speed 2000 MHz (x2) 4500 MHz
Power (Max TDP) 197 watts (Unknown) watts
Bandwidth 128000 MB/sec 72000 MB/sec
Texel Rate 76800 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 128 (x2) 640
Texture Mapping Units 64 (x2) 40
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 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 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better 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 one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines 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 rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon R9 M365X

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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