Submit Benchmarks!

Submit SSD Benchmark
Submit GPU Benchmark

Compare any two graphics cards:
VS

GeForce 9800 GX2 vs Radeon HD 4890 1GB

Intro

The GeForce 9800 GX2 has a GPU core clock speed of 600 MHz, and the 512 MB of GDDR3 memory is set to run at 1000 MHz through a 256-bit bus. It also is comprised of 128 Stream Processors, 64 TAUs, and 16 ROPs.

Compare that to the Radeon HD 4890 1GB, which comes with GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 RAM set to run at 975 MHz through a 256-bit bus. It also is made up of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4890 1GB 190 Watts
GeForce 9800 GX2 197 Watts
Difference: 7 Watts (4%)

Memory Bandwidth

In theory, the GeForce 9800 GX2 should perform a bit faster than the Radeon HD 4890 1GB overall. (explain)

GeForce 9800 GX2 128000 MB/sec
Radeon HD 4890 1GB 124800 MB/sec
Difference: 3200 (3%)

Texel Rate

The GeForce 9800 GX2 will be a lot (approximately 92%) better at texture filtering than the Radeon HD 4890 1GB. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon HD 4890 1GB 40000 Mtexels/sec
Difference: 36800 (92%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 9800 GX2 is a better choice, though only just barely. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
Radeon HD 4890 1GB 16000 Mpixels/sec
Difference: 3200 (20%)

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

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon HD 4890 1GB

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

Display Specifications

Hide Specifications

Model GeForce 9800 GX2 Radeon HD 4890 1GB
Manufacturer nVidia AMD
Year Mar 2008 Apr 2, 2009
Code Name G92 RV790 XT
Memory 512 MB (x2) 1024 MB
Core Speed 600 MHz (x2) 1000 MHz
Memory Speed 2000 MHz (x2) 3900 MHz
Power (Max TDP) 197 watts 190 watts
Bandwidth 128000 MB/sec 124800 MB/sec
Texel Rate 76800 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 128 (x2) 800(160x5)
Texture Mapping Units 64 (x2) 40
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 65 nm 55 nm
Transistors 754 million 959 million
Bus PCIe x16 2.0 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 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 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 is worked out by multiplying the total texture units of the card by the core 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon HD 4890 1GB

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.

Comments

Be the first to leave a comment!

Your email address will not be published. Required fields are marked *


*

WordPress Anti-Spam by WP-SpamShield