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GeForce GTX 1630 vs Radeon HD 4870 1GB

Intro

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

Compare those specs to the Radeon HD 4870 1GB, which has GPU clock speed of 750 MHz, and 1024 MB of GDDR5 RAM set to run at 900 MHz through a 256-bit bus. It also is made up of 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 1GB 150 Watts
Difference: 75 Watts (100%)

Memory Bandwidth

Theoretically, the Radeon HD 4870 1GB should be a small bit faster than the GeForce GTX 1630 overall. (explain)

Radeon HD 4870 1GB 115200 MB/sec
GeForce GTX 1630 98304 MB/sec
Difference: 16896 (17%)

Texel Rate

The GeForce GTX 1630 will be a lot (about 86%) more effective at AF than the Radeon HD 4870 1GB. (explain)

GeForce GTX 1630 55680 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 25680 (86%)

Pixel Rate

The GeForce GTX 1630 will be a lot (approximately 132%) more effective at anti-aliasing than the Radeon HD 4870 1GB, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 1630 27840 Mpixels/sec
Radeon HD 4870 1GB 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 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 1630 Radeon HD 4870 1GB
Manufacturer nVidia AMD
Year June 2022 Jun 25, 2008
Code Name TU117 RV770 XT
Memory 4096 MB 1024 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 max amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 applied per second. This number is worked out by multiplying the total number of texture units 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 one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of 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 1630

Amazon.com

Check prices at:

Radeon HD 4870 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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