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GeForce GTX 1630 vs Radeon HD 4870 512MB

Intro

The GeForce GTX 1630 has core clock speeds of 1740 MHz on the GPU, and 1500 MHz on the 4096 MB of GDDR6 memory. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare that to the Radeon HD 4870 512MB, which features GPU core speed of 750 MHz, and 512 MB of GDDR5 memory set to run at 900 MHz through a 256-bit bus. It also is comprised of 800(160x5) Stream Processors, 40 TAUs, 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 512MB 150 Watts
Difference: 75 Watts (100%)

Memory Bandwidth

The Radeon HD 4870 512MB should in theory perform just a bit faster than the GeForce GTX 1630 overall. (explain)

Radeon HD 4870 512MB 115200 MB/sec
GeForce GTX 1630 98304 MB/sec
Difference: 16896 (17%)

Texel Rate

The GeForce GTX 1630 is a lot (about 86%) more effective at texture filtering than the Radeon HD 4870 512MB. (explain)

GeForce GTX 1630 55680 Mtexels/sec
Radeon HD 4870 512MB 30000 Mtexels/sec
Difference: 25680 (86%)

Pixel Rate

The GeForce GTX 1630 will be quite a bit (about 132%) more effective at anti-aliasing than the Radeon HD 4870 512MB, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 1630 27840 Mpixels/sec
Radeon HD 4870 512MB 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 512MB

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 512MB
Manufacturer nVidia AMD
Year June 2022 Jun 25, 2008
Code Name TU117 RV770 XT
Memory 4096 MB 512 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 largest amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type 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 high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at 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 card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 1630

Amazon.com

Check prices at:

Radeon HD 4870 512MB

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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