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GeForce GTX 650 vs Radeon HD 4350

Intro

The GeForce GTX 650 comes with clock speeds of 1058 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 RAM. It features 384 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare all of 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 memory. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

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

Performance-wise, the GeForce GTX 650 should in theory be quite a bit better than the Radeon HD 4350 overall. (explain)

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

Texel Rate

The GeForce GTX 650 will be much (approximately 636%) faster with regards to AF 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 is quite a bit (approximately 636%) more effective at full screen anti-aliasing than the Radeon HD 4350, and also should be capable of handling higher resolutions while still performing well. (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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 650

Amazon.com

Other US-based stores

Radeon HD 4350

Amazon.com

Other US-based stores

Specifications

Model GeForce GTX 650 Radeon HD 4350
Manufacturer nVidia ATi
Year September 2012 Sep 30, 2008
Code Name GK107 RV710
Fab Process 28 nm 55 nm
Bus PCIe 3.0 x16 PCIe 2.0 x16, PCI
Memory 2048 MB 512 MB
Core Speed 1058 MHz 575 MHz
Shader Speed 1058 MHz (N/A) MHz
Memory Speed 1250 MHz (5000 MHz effective) 500 MHz (1000 MHz effective)
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
DirectX Version DirectX 11.1 DirectX 10.1
OpenGL Version OpenGL 4.3 OpenGL 3.0
Power (Max TDP) 64 watts 22 watts
Shader Model 5.0 4.1
Bandwidth 80000 MB/sec 8000 MB/sec
Texel Rate 33856 Mtexels/sec 4600 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 2300 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 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 anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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