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Radeon RX 550 vs Radeon RX Vega 64

Intro

The Radeon RX 550 has a GPU core clock speed of 1100 MHz, and the 2048 MB of GDDR5 memory runs at 1750 MHz through a 128-bit bus. It also is made up of 512 Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon RX Vega 64, which comes with a GPU core clock speed of 1247 MHz, and 8192 MB of HBM2 memory set to run at 1890 MHz through a 2048-bit bus. It also is comprised of 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX Vega 64 21986 points
Radeon RX 550 3507 points
Difference: 18479 (527%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon RX Vega 64 295 Watts
Difference: 245 Watts (490%)

Memory Bandwidth

In theory, the Radeon RX Vega 64 should be 332% faster than the Radeon RX 550 overall, because of its greater data rate. (explain)

Radeon RX Vega 64 495411 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 380723 (332%)

Texel Rate

The Radeon RX Vega 64 is quite a bit (about 807%) faster with regards to anisotropic filtering than the Radeon RX 550. (explain)

Radeon RX Vega 64 319232 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 284032 (807%)

Pixel Rate

The Radeon RX Vega 64 should be quite a bit (about 353%) more effective at anti-aliasing than the Radeon RX 550, and able to handle higher resolutions while still performing well. (explain)

Radeon RX Vega 64 79808 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 62208 (353%)

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 RX 550

Amazon.com

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Radeon RX Vega 64

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 RX 550 Radeon RX Vega 64
Manufacturer AMD AMD
Year April 2017 August 2017
Code Name Polaris 12 Vega 10 XT
Memory 2048 MB 8192 MB
Core Speed 1100 MHz 1247 MHz
Memory Speed 7000 MHz 1890 MHz
Power (Max TDP) 50 watts 295 watts
Bandwidth 114688 MB/sec 495411 MB/sec
Texel Rate 35200 Mtexels/sec 319232 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 79808 Mpixels/sec
Unified Shaders 512 4096
Texture Mapping Units 32 256
Render Output Units 16 64
Bus Type GDDR5 HBM2
Bus Width 128-bit 2048-bit
Fab Process 14 nm 14 nm
Transistors 2200 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR memory, 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon RX 550

Amazon.com

Check prices at:

Radeon RX Vega 64

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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