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GeForce 810M vs GeForce 9400 GT 256MB

Intro

The GeForce 810M uses a 28 nm design. nVidia has clocked the core frequency at 738 MHz. The DDR3 memory runs at a frequency of 900 MHz on this card. It features 48 SPUs along with 8 Texture Address Units and 4 ROPs.

Compare that to the GeForce 9400 GT 256MB, which has core clock speeds of 550 MHz on the GPU, and 400 MHz on the 256 MB of GDDR2 RAM. It features 16 SPUs along with 8 TAUs and 4 ROPs.

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 should be a bit faster than the GeForce 9400 GT 256MB overall. (explain)

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

Texel Rate

The GeForce 810M will be a lot (approximately 34%) more effective at texture 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

The GeForce 810M will be a lot (more or less 34%) better at anti-aliasing than the GeForce 9400 GT 256MB, and also will be capable of handling higher resolutions without slowing down too much. (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: Bandwidth is the max amount of data (in units of MB per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 are processed per second. This number is calculated by multiplying the total texture units by the core 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 number of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel 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 potential to reach the maximum fill rate.

Display Prices

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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.

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