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GeForce 810M vs GeForce 9400 GT 256MB

Intro

The GeForce 810M has a clock speed of 738 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 64-bit bus, and makes use of a 28 nm design. It is comprised of 48 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare those specs to the GeForce 9400 GT 256MB, which makes use of a 65 nm design. nVidia has set the core frequency at 550 MHz. The GDDR2 memory works at a speed of 400 MHz on this specific card. It features 16 SPUs along with 8 TAUs and 4 Rasterization Operator Units.

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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

The GeForce 810M, in theory, should be a small 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 should be much (about 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 much (approximately 34%) more effective at full screen anti-aliasing than the GeForce 9400 GT 256MB, and also should be capable of handling higher screen 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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to 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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