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GeForce GT 430 (OEM) vs Radeon HD 7770

Intro

The GeForce GT 430 (OEM) comes with core speeds of 700 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR3 RAM. It features 96 SPUs as well as 16 TAUs and 4 Rasterization Operator Units.

Compare those specifications to the Radeon HD 7770, which features a core clock frequency of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 640 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 GT 430 (OEM) 60 Watts
Radeon HD 7770 80 Watts
Difference: 20 Watts (33%)

Memory Bandwidth

In theory, the Radeon HD 7770 should perform quite a bit faster than the GeForce GT 430 (OEM) in general. (explain)

Radeon HD 7770 72000 MB/sec
GeForce GT 430 (OEM) 28800 MB/sec
Difference: 43200 (150%)

Texel Rate

The Radeon HD 7770 is a lot (approximately 257%) faster with regards to texture filtering than the GeForce GT 430 (OEM). (explain)

Radeon HD 7770 40000 Mtexels/sec
GeForce GT 430 (OEM) 11200 Mtexels/sec
Difference: 28800 (257%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 7770 is the winner, by far. (explain)

Radeon HD 7770 16000 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 13200 (471%)

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 GT 430 (OEM)

Amazon.com

Check prices at:

Radeon HD 7770

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 GT 430 (OEM) Radeon HD 7770
Manufacturer nVidia AMD
Year October 2010 February 2012
Code Name GF108 Cape Verde XT
Memory 2048 MB 1024 MB
Core Speed 700 MHz 1000 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 60 watts 80 watts
Bandwidth 28800 MB/sec 72000 MB/sec
Texel Rate 11200 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 96 640
Texture Mapping Units 16 40
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 585 million 1500 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transported across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock 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 in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 430 (OEM)

Amazon.com

Check prices at:

Radeon HD 7770

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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