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GeForce 9800 GX2 vs Radeon R9 M370X

Intro

The GeForce 9800 GX2 uses a 65 nm design. nVidia has clocked the core frequency at 600 MHz. The GDDR3 memory works at a frequency of 1000 MHz on this particular model. It features 128 SPUs along with 64 Texture Address Units and 16 ROPs.

Compare all that to the Radeon R9 M370X, which features a clock speed of 800 MHz and a GDDR5 memory frequency of 1125 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 640 SPUs, 40 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce 9800 GX2 is 78% quicker than the Radeon R9 M370X in general, due to its higher bandwidth. (explain)

GeForce 9800 GX2 128000 MB/sec
Radeon R9 M370X 72000 MB/sec
Difference: 56000 (78%)

Texel Rate

The GeForce 9800 GX2 will be a lot (about 140%) faster with regards to texture filtering than the Radeon R9 M370X. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon R9 M370X 32000 Mtexels/sec
Difference: 44800 (140%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 9800 GX2 is a better choice, by a large margin. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
Radeon R9 M370X 12800 Mpixels/sec
Difference: 6400 (50%)

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

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Radeon R9 M370X

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 9800 GX2 Radeon R9 M370X
Manufacturer nVidia AMD
Year Mar 2008 2015
Code Name G92 Cape Verde
Memory 512 MB (x2) 2048 MB
Core Speed 600 MHz (x2) 800 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 32000 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 12800 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: Bandwidth is the max amount of information (counted in megabytes per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon R9 M370X

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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