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Radeon R9 290X vs Radeon RX 6650 XT

Intro

The Radeon R9 290X features a core clock frequency of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also uses a 512-bit memory bus, and uses a 28 nm design. It features 2816 SPUs, 176 Texture Address Units, and 64 Raster Operation Units.

Compare all of that to the Radeon RX 6650 XT, which features a clock speed of 2055 MHz and a GDDR6 memory frequency of 2190 MHz. It also features a 128-bit bus, and uses a 7 nm design. It features 2048 SPUs, 128 TAUs, and 64 ROPs.

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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

Theoretically speaking, the Radeon R9 290X will be 11% quicker than the Radeon RX 6650 XT overall, due to its higher 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 will be a lot (approximately 87%) more effective at anisotropic 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 using a high resolution is important to you, then the Radeon RX 6650 XT is superior to the Radeon R9 290X, by a large margin. (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: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

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

Display Prices

Hide Prices

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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