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Radeon R9 290X vs Radeon RX 6650 XT

Intro

The Radeon R9 290X uses a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM works at a speed of 1250 MHz on this particular model. It features 2816 SPUs along with 176 Texture Address Units and 64 ROPs.

Compare those specifications to the Radeon RX 6650 XT, which comes with a core clock speed of 2055 MHz and a GDDR6 memory frequency of 2190 MHz. It also makes use of a 128-bit memory bus, and makes use of a 7 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6650 XT 176 Watts
Radeon R9 290X 300 Watts
Difference: 124 Watts (70%)

Memory Bandwidth

In theory, the Radeon R9 290X will be 11% faster than the Radeon RX 6650 XT in general, due to its greater data rate. (explain)

Radeon R9 290X 320000 MB/sec
Radeon RX 6650 XT 287072 MB/sec
Difference: 32928 (11%)

Texel Rate

The Radeon RX 6650 XT is quite a bit (approximately 87%) better at texture filtering than the Radeon R9 290X. (explain)

Radeon RX 6650 XT 263040 Mtexels/sec
Radeon R9 290X 140800 Mtexels/sec
Difference: 122240 (87%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6650 XT is superior to the Radeon R9 290X, by far. (explain)

Radeon RX 6650 XT 131520 Mpixels/sec
Radeon R9 290X 51200 Mpixels/sec
Difference: 80320 (157%)

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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Radeon R9 290X

Amazon.com

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Radeon RX 6650 XT

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 Radeon R9 290X Radeon RX 6650 XT
Manufacturer AMD AMD
Year October 2013 May 2022
Code Name Hawaii XT Navi 23
Memory 4096 MB 8192 MB
Core Speed 800 MHz 2055 MHz
Memory Speed 5000 MHz 4380 GB/s
Power (Max TDP) 300 watts 176 watts
Bandwidth 320000 MB/sec 287072 MB/sec
Texel Rate 140800 Mtexels/sec 263040 Mtexels/sec
Pixel Rate 51200 Mpixels/sec 131520 Mpixels/sec
Unified Shaders 2816 2048
Texture Mapping Units 176 128
Render Output Units 64 64
Bus Type GDDR5 GDDR6
Bus Width 512-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 6200 million 11060 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high 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 texture units by the core clock speed of the chip. The better the texel rate, the better the graphics 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 could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon R9 290X

Amazon.com

Check prices at:

Radeon RX 6650 XT

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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