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Radeon HD 3470 512MB vs Radeon RX 6900 XT

Intro

The Radeon HD 3470 512MB makes use of a 55 nm design. AMD has set the core speed at 800 MHz. The GDDR3 memory works at a speed of 950 MHz on this particular model. It features 40(8x5) SPUs along with 4 Texture Address Units and 4 Rasterization Operator Units.

Compare those specs to the Radeon RX 6900 XT, which features a clock frequency of 1825 MHz and a GDDR6 memory speed of 2000 MHz. It also features a 256-bit memory bus, and makes use of a 7 nm design. It features 5120 SPUs, 320 TAUs, and 128 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon RX 6900 XT, in theory, should be much faster than the Radeon HD 3470 512MB overall. (explain)

Radeon RX 6900 XT 524288 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 493888 (1625%)

Texel Rate

The Radeon RX 6900 XT is much (approximately 18150%) more effective at AF than the Radeon HD 3470 512MB. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 580800 (18150%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 6900 XT is a better choice, and very much so. (explain)

Radeon RX 6900 XT 233600 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 230400 (7200%)

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 HD 3470 512MB

Amazon.com

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Radeon RX 6900 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 HD 3470 512MB Radeon RX 6900 XT
Manufacturer AMD AMD
Year 2008 2020
Code Name RV620 PRO Navi 21
Memory 512 MB 16384 MB
Core Speed 800 MHz 1825 MHz
Memory Speed 1900 MHz 4000 GB/s
Power (Max TDP) (Unknown) watts 300 watts
Bandwidth 30400 MB/sec 524288 MB/sec
Texel Rate 3200 Mtexels/sec 584000 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 40(8x5) 5120
Texture Mapping Units 4 320
Render Output Units 4 128
Bus Type GDDR3 GDDR6
Bus Width 128-bit 256-bit
Fab Process 55 nm 7 nm
Transistors (Unknown) million 26800 million
Bus PCIe 2.0 x16 PCIe 4.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out 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 outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon RX 6900 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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