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GeForce GTX 1650 vs Radeon HD 7870

Intro

The GeForce GTX 1650 features a clock frequency of 1485 MHz and a GDDR5 memory frequency of 8000 MHz. It also features a 128-bit memory bus, and makes use of a 12 nm design. It features 896 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 7870, which uses a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 RAM runs at a speed of 1200 MHz on this specific model. It features 1280 SPUs as well as 80 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650 75 Watts
Radeon HD 7870 175 Watts
Difference: 100 Watts (133%)

Memory Bandwidth

In theory, the Radeon HD 7870 should be a little bit faster than the GeForce GTX 1650 in general. (explain)

Radeon HD 7870 153600 MB/sec
GeForce GTX 1650 131072 MB/sec
Difference: 22528 (17%)

Texel Rate

The GeForce GTX 1650 will be a bit (about 4%) better at AF than the Radeon HD 7870. (explain)

GeForce GTX 1650 83160 Mtexels/sec
Radeon HD 7870 80000 Mtexels/sec
Difference: 3160 (4%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 1650 is a better choice, and very much so. (explain)

GeForce GTX 1650 47520 Mpixels/sec
Radeon HD 7870 32000 Mpixels/sec
Difference: 15520 (49%)

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 1650

Amazon.com

Check prices at:

Radeon HD 7870

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 1650 Radeon HD 7870
Manufacturer nVidia AMD
Year April 2019 March 2012
Code Name TU117-300-A1 Pitcairn XT
Memory 4096 MB 2048 MB
Core Speed 1485 MHz 1000 MHz
Memory Speed 32000 MHz 4800 MHz
Power (Max TDP) 75 watts 175 watts
Bandwidth 131072 MB/sec 153600 MB/sec
Texel Rate 83160 Mtexels/sec 80000 Mtexels/sec
Pixel Rate 47520 Mpixels/sec 32000 Mpixels/sec
Unified Shaders 896 1280
Texture Mapping Units 56 80
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 12 nm 28 nm
Transistors 4700 million 2800 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.1
OpenGL Version OpenGL 4.6 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. 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 lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 1650

Amazon.com

Check prices at:

Radeon HD 7870

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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