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GeForce 810M vs GeForce 9400 GT 256MB

Intro

The GeForce 810M comes with clock speeds of 738 MHz on the GPU, and 900 MHz on the 1024 MB of DDR3 memory. It features 48 SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Compare those specs to the GeForce 9400 GT 256MB, which features a clock speed of 550 MHz and a GDDR2 memory frequency of 400 MHz. It also features a 128-bit memory bus, and uses a 65 nm design. It is comprised of 16 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M 15 Watts
GeForce 9400 GT 256MB 50 Watts
Difference: 35 Watts (233%)

Memory Bandwidth

In theory, the GeForce 810M will be 13% faster than the GeForce 9400 GT 256MB overall, because of its higher data rate. (explain)

GeForce 810M 14400 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 810M is much (more or less 34%) better at anisotropic filtering than the GeForce 9400 GT 256MB. (explain)

GeForce 810M 5904 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 1504 (34%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 810M is a better choice, and very much so. (explain)

GeForce 810M 2952 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 752 (34%)

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 810M

Amazon.com

Check prices at:

GeForce 9400 GT 256MB

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 810M GeForce 9400 GT 256MB
Manufacturer nVidia nVidia
Year February 2014 August 2008
Code Name GF117 G96a
Memory 1024 MB 256 MB
Core Speed 738 MHz 550 MHz
Memory Speed 1800 MHz 800 MHz
Power (Max TDP) 15 watts 50 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 5904 Mtexels/sec 4400 Mtexels/sec
Pixel Rate 2952 Mpixels/sec 2200 Mpixels/sec
Unified Shaders 48 16
Texture Mapping Units 8 8
Render Output Units 4 4
Bus Type DDR3 GDDR2
Bus Width 64-bit 128-bit
Fab Process 28 nm 65 nm
Transistors (Unknown) million 314 million
Bus PCIe 2.0 x16 PCIe x16 2.0, PCI
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core 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 also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 810M

Amazon.com

Check prices at:

GeForce 9400 GT 256MB

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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