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GeForce GTX 1650 vs Radeon HD 4850 X2 1GB

Intro

The GeForce GTX 1650 makes use of a 12 nm design. nVidia has clocked the core speed at 1485 MHz. The GDDR5 memory is set to run at a frequency of 8000 MHz on this particular model. It features 896 SPUs as well as 56 TAUs and 32 ROPs.

Compare those specs to the Radeon HD 4850 X2 1GB, which uses a 55 nm design. AMD has clocked the core speed at 625 MHz. The GDDR3 memory works at a frequency of 993 MHz on this specific card. 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 4850 X2 1GB 250 Watts
Difference: 175 Watts (233%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1650 should perform a little bit faster than the Radeon HD 4850 X2 1GB overall. (explain)

GeForce GTX 1650 131072 MB/sec
Radeon HD 4850 X2 1GB 127104 MB/sec
Difference: 3968 (3%)

Texel Rate

The GeForce GTX 1650 is much (about 66%) more effective at anisotropic filtering than the Radeon HD 4850 X2 1GB. (explain)

GeForce GTX 1650 83160 Mtexels/sec
Radeon HD 4850 X2 1GB 50000 Mtexels/sec
Difference: 33160 (66%)

Pixel Rate

The GeForce GTX 1650 is much (approximately 138%) faster with regards to AA than the Radeon HD 4850 X2 1GB, and should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 1650 47520 Mpixels/sec
Radeon HD 4850 X2 1GB 20000 Mpixels/sec
Difference: 27520 (138%)

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 4850 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 4850 X2 1GB
Manufacturer nVidia AMD
Year April 2019 Nov 7, 2008
Code Name TU117-300-A1 R700
Memory 4096 MB 1024 MB (x2)
Core Speed 1485 MHz 625 MHz (x2)
Memory Speed 32000 MHz 1986 MHz (x2)
Power (Max TDP) 75 watts 250 watts
Bandwidth 131072 MB/sec 127104 MB/sec
Texel Rate 83160 Mtexels/sec 50000 Mtexels/sec
Pixel Rate 47520 Mpixels/sec 20000 Mpixels/sec
Unified Shaders 896 800(160x5) (x2)
Texture Mapping Units 56 40 (x2)
Render Output Units 32 16 (x2)
Bus Type GDDR5 GDDR3
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: Bandwidth is the max amount of data (in units of MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the video 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 can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines 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 quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 1650

Amazon.com

Check prices at:

Radeon HD 4850 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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