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GeForce 825M vs GeForce 9500 GT DDR2

Intro

The GeForce 825M makes use of a 28 nm design. nVidia has set the core frequency at 850 MHz. The DDR3 memory works at a frequency of 900 MHz on this card. It features 384 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the GeForce 9500 GT DDR2, which uses a 65 nm design. nVidia has set the core frequency at 550 MHz. The DDR2 RAM is set to run at a frequency of 500 MHz on this particular model. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 825M 33 Watts
GeForce 9500 GT DDR2 50 Watts
Difference: 17 Watts (52%)

Memory Bandwidth

In theory, the GeForce 9500 GT DDR2 should perform just a bit faster than the GeForce 825M overall. (explain)

GeForce 9500 GT DDR2 16000 MB/sec
GeForce 825M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The GeForce 825M will be quite a bit (more or less 55%) more effective at anisotropic filtering than the GeForce 9500 GT DDR2. (explain)

GeForce 825M 13600 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 4800 (55%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 825M is superior to the GeForce 9500 GT DDR2, by a large margin. (explain)

GeForce 825M 6800 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 2400 (55%)

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 825M

Amazon.com

Check prices at:

GeForce 9500 GT DDR2

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 825M GeForce 9500 GT DDR2
Manufacturer nVidia nVidia
Year January 27 2014 July 2008
Code Name GK208 G96a
Memory 2048 MB 256 MB
Core Speed 850 MHz 550 MHz
Memory Speed 1800 MHz 1000 MHz
Power (Max TDP) 33 watts 50 watts
Bandwidth 14400 MB/sec 16000 MB/sec
Texel Rate 13600 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 6800 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 384 32
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type DDR3 DDR2
Bus Width 64-bit 128-bit
Fab Process 28 nm 65 nm
Transistors (Unknown) million 314 million
Bus PCIe 3.0 x8 PCIe x16 2.0, PCI
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per 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 better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

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

Display Prices

Hide Prices

GeForce 825M

Amazon.com

Check prices at:

GeForce 9500 GT DDR2

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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