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GeForce GTX 1650 vs Radeon HD 3870 X2 1GB

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 is comprised of 896 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare that to the Radeon HD 3870 X2 1GB, which comes with GPU clock speed of 825 MHz, and 1024 MB of GDDR4 memory set to run at 1126 MHz through a 256-bit bus. It also is comprised of 320(64x5) Stream Processors, 16 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 3870 X2 1GB is 10% quicker than the GeForce GTX 1650 in general, due to its higher data rate. (explain)

Radeon HD 3870 X2 1GB 144128 MB/sec
GeForce GTX 1650 131072 MB/sec
Difference: 13056 (10%)

Texel Rate

The GeForce GTX 1650 will be quite a bit (about 215%) better at anisotropic filtering than the Radeon HD 3870 X2 1GB. (explain)

GeForce GTX 1650 83160 Mtexels/sec
Radeon HD 3870 X2 1GB 26400 Mtexels/sec
Difference: 56760 (215%)

Pixel Rate

If using a high 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 3870 X2 1GB 26400 Mpixels/sec
Difference: 21120 (80%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 1650

Amazon.com

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Radeon HD 3870 X2 1GB

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 3870 X2 1GB
Manufacturer nVidia AMD
Year April 2019 Jan 28, 2008
Code Name TU117-300-A1 R680
Memory 4096 MB 1024 MB (x2)
Core Speed 1485 MHz 825 MHz (x2)
Memory Speed 32000 MHz 2252 MHz (x2)
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 131072 MB/sec 144128 MB/sec
Texel Rate 83160 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 47520 Mpixels/sec 26400 Mpixels/sec
Unified Shaders 896 320(64x5) (x2)
Texture Mapping Units 56 16 (x2)
Render Output Units 32 16 (x2)
Bus Type GDDR5 GDDR4
Bus Width 128-bit 256-bit (x2)
Fab Process 12 nm 55 nm
Transistors 4700 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 2.0 x16/(internal PCIe 1.1 x16)
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 1650

Amazon.com

Check prices at:

Radeon HD 3870 X2 1GB

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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