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GeForce 830M vs GeForce 8500 GT

Intro

The GeForce 830M uses a 28 nm design. nVidia has set the core frequency at 1029 MHz. The DDR3 RAM is set to run at a speed of 900 MHz on this specific model. It features 256 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the GeForce 8500 GT, which features GPU clock speed of 450 MHz, and 512 MB of DDR2 memory set to run at 400 MHz through a 128-bit bus. It also is comprised of 16 SPUs, 8 TAUs, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce 8500 GT 45 Watts
Difference: 20 Watts (80%)

Memory Bandwidth

In theory, the GeForce 830M will be 13% faster than the GeForce 8500 GT overall, due to its greater bandwidth. (explain)

GeForce 830M 14400 MB/sec
GeForce 8500 GT 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 830M will be much (about 357%) more effective at texture filtering than the GeForce 8500 GT. (explain)

GeForce 830M 16464 Mtexels/sec
GeForce 8500 GT 3600 Mtexels/sec
Difference: 12864 (357%)

Pixel Rate

The GeForce 830M will be much (more or less 357%) better at anti-aliasing than the GeForce 8500 GT, and also capable of handling higher resolutions while still performing well. (explain)

GeForce 830M 8232 Mpixels/sec
GeForce 8500 GT 1800 Mpixels/sec
Difference: 6432 (357%)

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 830M

Amazon.com

Check prices at:

GeForce 8500 GT

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 830M GeForce 8500 GT
Manufacturer nVidia nVidia
Year March 12 2014 April 2007
Code Name GM108 G86
Memory 2048 MB 512 MB
Core Speed 1029 MHz 450 MHz
Memory Speed 1800 MHz 800 MHz
Power (Max TDP) 25 watts 45 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 16464 Mtexels/sec 3600 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 1800 Mpixels/sec
Unified Shaders 256 16
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type DDR3 DDR2
Bus Width 64-bit 128-bit
Fab Process 28 nm 80 nm
Transistors (Unknown) million 210 million
Bus PCIe 3.0 x16 PCIe x16, PCI, PCIe x16 2.0
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the 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 is worked out by multiplying the total number of texture units of the card by the core clock 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock 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 rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 830M

Amazon.com

Check prices at:

GeForce 8500 GT

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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