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GeForce GTX 1630 vs Radeon HD 4870 2GB

Intro

The GeForce GTX 1630 features a GPU core speed of 1740 MHz, and the 4096 MB of GDDR6 memory is set to run at 1500 MHz through a 64-bit bus. It also features 512 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare that to the Radeon HD 4870 2GB, which has GPU clock speed of 750 MHz, and 2048 MB of GDDR5 RAM running at 900 MHz through a 256-bit bus. It also features 800(160x5) SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630 75 Watts
Radeon HD 4870 2GB 150 Watts
Difference: 75 Watts (100%)

Memory Bandwidth

The Radeon HD 4870 2GB should theoretically be just a bit faster than the GeForce GTX 1630 in general. (explain)

Radeon HD 4870 2GB 115200 MB/sec
GeForce GTX 1630 98304 MB/sec
Difference: 16896 (17%)

Texel Rate

The GeForce GTX 1630 will be quite a bit (approximately 86%) better at texture filtering than the Radeon HD 4870 2GB. (explain)

GeForce GTX 1630 55680 Mtexels/sec
Radeon HD 4870 2GB 30000 Mtexels/sec
Difference: 25680 (86%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 1630 is the winner, by a large margin. (explain)

GeForce GTX 1630 27840 Mpixels/sec
Radeon HD 4870 2GB 12000 Mpixels/sec
Difference: 15840 (132%)

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 1630

Amazon.com

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Radeon HD 4870 2GB

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 1630 Radeon HD 4870 2GB
Manufacturer nVidia AMD
Year June 2022 Jun 25, 2008
Code Name TU117 RV770 XT
Memory 4096 MB 2048 MB
Core Speed 1740 MHz 750 MHz
Memory Speed 1500 GB/s 3600 MHz
Power (Max TDP) 75 watts 150 watts
Bandwidth 98304 MB/sec 115200 MB/sec
Texel Rate 55680 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 27840 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 512 800(160x5)
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR6 GDDR5
Bus Width 64-bit 256-bit
Fab Process 12 nm 55 nm
Transistors 4700 million 956 million
Bus PCIe 4.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core speed of the card. 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 lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1630

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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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