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GeForce GTX 970 vs Radeon R9 Nano

Intro

The GeForce GTX 970 makes use of a 28 nm design. nVidia has set the core speed at 1050 MHz. The GDDR5 RAM runs at a frequency of 1750 MHz on this particular model. It features 1664 SPUs along with 104 Texture Address Units and 64 Rasterization Operator Units.

Compare those specifications to the Radeon R9 Nano, which has GPU clock speed of 1000 MHz, and 4096 MB of HBM memory set to run at 500 MHz through a 4096-bit bus. It also features 4096 Stream Processors, 256 TAUs, 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 Nano 14918 points
GeForce GTX 970 10867 points
Difference: 4051 (37%)

Zcash Mining Hash Rate

Radeon R9 Nano 402 Sol/s
GeForce GTX 970 262 Sol/s
Difference: 140 (53%)

Ethereum Mining Hash Rate

Radeon R9 Nano 30 Mh/s
GeForce GTX 970 19 Mh/s
Difference: 11 (58%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Radeon R9 Nano 175 Watts
Difference: 30 Watts (21%)

Memory Bandwidth

As far as performance goes, the Radeon R9 Nano should in theory be much better than the GeForce GTX 970 in general. (explain)

Radeon R9 Nano 512000 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 288000 (129%)

Texel Rate

The Radeon R9 Nano should be a lot (more or less 134%) more effective at texture filtering than the GeForce GTX 970. (explain)

Radeon R9 Nano 256000 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 146800 (134%)

Pixel Rate

The GeForce GTX 970 will be just a bit (approximately 5%) more effective at full screen anti-aliasing than the Radeon R9 Nano, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 970 67200 Mpixels/sec
Radeon R9 Nano 64000 Mpixels/sec
Difference: 3200 (5%)

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 970

Amazon.com

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Radeon R9 Nano

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 GeForce GTX 970 Radeon R9 Nano
Manufacturer nVidia AMD
Year September 2014 September 2015
Code Name GM204-200 Fiji XT
Memory 4096 MB 4096 MB
Core Speed 1050 MHz 1000 MHz
Memory Speed 7000 MHz 500 MHz
Power (Max TDP) 145 watts 175 watts
Bandwidth 224000 MB/sec 512000 MB/sec
Texel Rate 109200 Mtexels/sec 256000 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 1664 4096
Texture Mapping Units 104 256
Render Output Units 64 64
Bus Type GDDR5 HBM
Bus Width 256-bit 4096-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the 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 number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs 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 also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 970

Amazon.com

Check prices at:

Radeon R9 Nano

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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