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Geforce GTX 670 vs Radeon R9 390 8G

Intro

The Geforce GTX 670 features a GPU core clock speed of 915 MHz, and the 2048 MB of GDDR5 memory runs at 1500 MHz through a 256-bit bus. It also is made up of 1344 Stream Processors, 112 Texture Address Units, and 32 Raster Operation Units.

Compare all that to the Radeon R9 390 8G, which features a GPU core clock speed of 1000 MHz, and 8192 MB of GDDR5 memory running at 1500 MHz through a 512-bit bus. It also features 2560 Stream Processors, 160 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 R9 390 8G 12733 points
Geforce GTX 670 7351 points
Difference: 5382 (73%)

Ethereum Mining Hash Rate

Radeon R9 390 8G 28 Mh/s
Geforce GTX 670 13 Mh/s
Difference: 15 (115%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670 170 Watts
Radeon R9 390 8G 275 Watts
Difference: 105 Watts (62%)

Memory Bandwidth

The Radeon R9 390 8G should in theory be a lot faster than the Geforce GTX 670 in general. (explain)

Radeon R9 390 8G 384000 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 192000 (100%)

Texel Rate

The Radeon R9 390 8G is a lot (more or less 56%) faster with regards to AF than the Geforce GTX 670. (explain)

Radeon R9 390 8G 160000 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 57520 (56%)

Pixel Rate

The Radeon R9 390 8G will be much (more or less 119%) better at AA than the Geforce GTX 670, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R9 390 8G 64000 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 34720 (119%)

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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Geforce GTX 670

Amazon.com

Check prices at:

Radeon R9 390 8G

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.

Specifications

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Model Geforce GTX 670 Radeon R9 390 8G
Manufacturer nVidia AMD
Year May 2012 June 2015
Code Name GK104 Grenada PRO
Memory 2048 MB 8192 MB
Core Speed 915 MHz 1000 MHz
Memory Speed 6000 MHz 6000 MHz
Power (Max TDP) 170 watts 275 watts
Bandwidth 192000 MB/sec 384000 MB/sec
Texel Rate 102480 Mtexels/sec 160000 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 1344 2560
Texture Mapping Units 112 160
Render Output Units 32 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit 512-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Geforce GTX 670

Amazon.com

Check prices at:

Radeon R9 390 8G

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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