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Radeon R7 250 vs Radeon RX Vega 64

Intro

The Radeon R7 250 uses a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 RAM works at a speed of 1150 MHz on this specific card. It features 384 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

Compare those specs to the Radeon RX Vega 64, which features GPU clock speed of 1247 MHz, and 8192 MB of HBM2 memory set to run at 1890 MHz through a 2048-bit bus. It also features 4096 Stream Processors, 256 Texture Address Units, and 64 ROPs.

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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 21932 points
Radeon R7 250 1836 points
Difference: 20096 (1095%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
Radeon RX Vega 64 295 Watts
Difference: 230 Watts (354%)

Memory Bandwidth

Theoretically speaking, the Radeon RX Vega 64 should be a lot faster than the Radeon R7 250 overall. (explain)

Radeon RX Vega 64 495411 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 421811 (573%)

Texel Rate

The Radeon RX Vega 64 should be quite a bit (more or less 1230%) faster with regards to AF than the Radeon R7 250. (explain)

Radeon RX Vega 64 319232 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 295232 (1230%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX Vega 64 is the winner, and very much so. (explain)

Radeon RX Vega 64 79808 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 71808 (898%)

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 R7 250

Amazon.com

Radeon RX Vega 64

Amazon.com

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 R7 250 Radeon RX Vega 64
Manufacturer AMD AMD
Year October 2013 August 2017
Code Name Oland XT Vega 10 XT
Memory 1024 MB 8192 MB
Core Speed 1000 MHz 1247 MHz
Memory Speed 4600 MHz 1890 MHz
Power (Max TDP) 65 watts 295 watts
Bandwidth 73600 MB/sec 495411 MB/sec
Texel Rate 24000 Mtexels/sec 319232 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 79808 Mpixels/sec
Unified Shaders 384 4096
Texture Mapping Units 24 256
Render Output Units 8 64
Bus Type GDDR5 HBM2
Bus Width 128-bit 2048-bit
Fab Process 28 nm 14 nm
Transistors 1040 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

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. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon R7 250

Amazon.com

Radeon RX Vega 64

Amazon.com

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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