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GeForce GTX 1650 vs Radeon HD 4870 X2

Intro

The GeForce GTX 1650 uses a 12 nm design. nVidia has clocked the core speed at 1485 MHz. The GDDR5 memory works at a frequency of 8000 MHz on this particular model. It features 896 SPUs along with 56 Texture Address Units and 32 ROPs.

Compare all that to the Radeon HD 4870 X2, which uses a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR5 memory is set to run at a speed of 900 MHz on this model. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650 75 Watts
Radeon HD 4870 X2 350 Watts
Difference: 275 Watts (367%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4870 X2 should perform much faster than the GeForce GTX 1650 in general. (explain)

Radeon HD 4870 X2 230400 MB/sec
GeForce GTX 1650 131072 MB/sec
Difference: 99328 (76%)

Texel Rate

The GeForce GTX 1650 should be quite a bit (about 39%) faster with regards to AF than the Radeon HD 4870 X2. (explain)

GeForce GTX 1650 83160 Mtexels/sec
Radeon HD 4870 X2 60000 Mtexels/sec
Difference: 23160 (39%)

Pixel Rate

The GeForce GTX 1650 will be much (about 98%) more effective at full screen anti-aliasing than the Radeon HD 4870 X2, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 1650 47520 Mpixels/sec
Radeon HD 4870 X2 24000 Mpixels/sec
Difference: 23520 (98%)

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

Check prices at:

Radeon HD 4870 X2

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 4870 X2
Manufacturer nVidia AMD
Year April 2019 Aug 12, 2008
Code Name TU117-300-A1 R700
Memory 4096 MB 1024 MB (x2)
Core Speed 1485 MHz 750 MHz (x2)
Memory Speed 32000 MHz 3600 MHz (x2)
Power (Max TDP) 75 watts 350 watts
Bandwidth 131072 MB/sec 230400 MB/sec
Texel Rate 83160 Mtexels/sec 60000 Mtexels/sec
Pixel Rate 47520 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 896 800(160x5) (x2)
Texture Mapping Units 56 40 (x2)
Render Output Units 32 16 (x2)
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit (x2)
Fab Process 12 nm 55 nm
Transistors 4700 million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16 (PCIe bridge)
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum 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 bus width by its memory speed. In the case of DDR memory, it should 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, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its 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 clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 1650

Amazon.com

Check prices at:

Radeon HD 4870 X2

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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