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GeForce GTX 650 vs Radeon HD 4350

Intro

The GeForce GTX 650 has core clock speeds of 1058 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 memory. It features 384 SPUs as well as 32 TAUs and 16 ROPs.

Compare all that to the Radeon HD 4350, which comes with core clock speeds of 575 MHz on the GPU, and 500 MHz on the 512 MB of DDR2 RAM. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350 22 Watts
GeForce GTX 650 64 Watts
Difference: 42 Watts (191%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 should be 900% faster than the Radeon HD 4350 overall, because of its higher data rate. (explain)

GeForce GTX 650 80000 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 72000 (900%)

Texel Rate

The GeForce GTX 650 is a lot (more or less 636%) faster with regards to texture filtering than the Radeon HD 4350. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 29256 (636%)

Pixel Rate

The GeForce GTX 650 should be quite a bit (approximately 636%) better at AA than the Radeon HD 4350, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 14628 (636%)

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 650

Amazon.com

Radeon HD 4350

Amazon.com

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 650 Radeon HD 4350
Manufacturer nVidia AMD
Year September 2012 Sep 30, 2008
Code Name GK107 RV710
Memory 2048 MB 512 MB
Core Speed 1058 MHz 575 MHz
Memory Speed 5000 MHz 1000 MHz
Power (Max TDP) 64 watts 22 watts
Bandwidth 80000 MB/sec 8000 MB/sec
Texel Rate 33856 Mtexels/sec 4600 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 2300 Mpixels/sec
Unified Shaders 384 80(16x5)
Texture Mapping Units 32 8
Render Output Units 16 4
Bus Type GDDR5 DDR2
Bus Width 128-bit 64-bit
Fab Process 28 nm 55 nm
Transistors 1300 million 242 million
Bus PCIe 3.0 x16 PCIe 2.0 x16, PCI
DirectX Version DirectX 11.0 DirectX 10.1
OpenGL Version OpenGL 4.3 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

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