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Geforce GTX 760 vs Radeon HD 4650 512MB

Intro

The Geforce GTX 760 comes with a GPU core clock speed of 980 MHz, and the 2048 MB of GDDR5 RAM is set to run at 1502 MHz through a 256-bit bus. It also features 1152 Stream Processors, 96 TAUs, and 32 ROPs.

Compare all of that to the Radeon HD 4650 512MB, which has GPU clock speed of 600 MHz, and 512 MB of DDR2 memory running at 500 MHz through a 128-bit bus. It also is made up of 320(64x5) SPUs, 32 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4650 512MB 55 Watts
Geforce GTX 760 170 Watts
Difference: 115 Watts (209%)

Memory Bandwidth

The Geforce GTX 760 should in theory perform much faster than the Radeon HD 4650 512MB in general. (explain)

Geforce GTX 760 192256 MB/sec
Radeon HD 4650 512MB 16000 MB/sec
Difference: 176256 (1102%)

Texel Rate

The Geforce GTX 760 will be quite a bit (approximately 390%) more effective at AF than the Radeon HD 4650 512MB. (explain)

Geforce GTX 760 94080 Mtexels/sec
Radeon HD 4650 512MB 19200 Mtexels/sec
Difference: 74880 (390%)

Pixel Rate

The Geforce GTX 760 is quite a bit (more or less 553%) better at FSAA than the Radeon HD 4650 512MB, and also able to handle higher resolutions while still performing well. (explain)

Geforce GTX 760 31360 Mpixels/sec
Radeon HD 4650 512MB 4800 Mpixels/sec
Difference: 26560 (553%)

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 760

Amazon.com

Check prices at:

Radeon HD 4650 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.

Specifications

Display Specifications

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Model Geforce GTX 760 Radeon HD 4650 512MB
Manufacturer nVidia AMD
Year June 2013 Sep 10, 2008
Code Name GK104 RV730 PRO
Memory 2048 MB 512 MB
Core Speed 980 MHz 600 MHz
Memory Speed 6008 MHz 1000 MHz
Power (Max TDP) 170 watts 55 watts
Bandwidth 192256 MB/sec 16000 MB/sec
Texel Rate 94080 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 4800 Mpixels/sec
Unified Shaders 1152 320(64x5)
Texture Mapping Units 96 32
Render Output Units 32 8
Bus Type GDDR5 DDR2
Bus Width 256-bit 128-bit
Fab Process 28 nm 55 nm
Transistors 3540 million 514 million
Bus PCIe 3.0 x16 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 11.0 DirectX 10.1
OpenGL Version OpenGL 4.3 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, it must 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, HDR and high resolutions.

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

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

Display Prices

Hide Prices

Geforce GTX 760

Amazon.com

Check prices at:

Radeon HD 4650 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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