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GeForce 8800 GT 1GB vs GeForce GTX 650


Intro

The GeForce 8800 GT 1GB features a GPU core speed of 600 MHz, and the 1024 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also features 112 Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the GeForce GTX 650, which makes use of a 28 nm design. nVidia has set the core frequency at 1058 MHz. The GDDR5 memory is set to run at a speed of 1250 MHz on this card. It features 384 SPUs as well as 32 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce 8800 GT 1GB 105 Watts
Difference: 41 Watts (64%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 should perform quite a bit faster than the GeForce 8800 GT 1GB in general. (explain)

GeForce GTX 650 80000 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 22400 (39%)

Texel Rate

The GeForce GTX 650 should be a small bit (about 1%) more effective at texture filtering than the GeForce 8800 GT 1GB. (explain)

GeForce GTX 650 33856 Mtexels/sec
GeForce 8800 GT 1GB 33600 Mtexels/sec
Difference: 256 (1%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 650 is the winner, by a large margin. (explain)

GeForce GTX 650 16928 Mpixels/sec
GeForce 8800 GT 1GB 9600 Mpixels/sec
Difference: 7328 (76%)

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

Display Prices

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GeForce 8800 GT 1GB

Amazon.com

GeForce GTX 650

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 8800 GT 1GB GeForce GTX 650
Manufacturer nVidia nVidia
Year Dec 2007 September 2012
Code Name G92 GK107
Memory 1024 MB 1024 MB
Core Speed 600 MHz 1058 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 105 watts 64 watts
Bandwidth 57600 MB/sec 80000 MB/sec
Texel Rate 33600 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 16928 Mpixels/sec
Unified Shaders 112 384
Texture Mapping Units 56 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 1300 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the 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 texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, 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 amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines 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 output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 1GB

Amazon.com

GeForce GTX 650

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.

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