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GeForce 9400 GT 256MB vs Radeon R5 M330

Intro

The GeForce 9400 GT 256MB uses a 65 nm design. nVidia has set the core speed at 550 MHz. The GDDR2 memory works at a speed of 400 MHz on this specific card. It features 16 SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

Compare those specs to the Radeon R5 M330, which features GPU core speed of 1030 MHz, and 2048 MB of DDR3 memory set to run at 900 MHz through a 64-bit bus. It also is made up of 320 SPUs, 20 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R5 M330 should in theory be a small bit faster than the GeForce 9400 GT 256MB overall. (explain)

Radeon R5 M330 14400 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The Radeon R5 M330 should be a lot (about 368%) faster with regards to texture filtering than the GeForce 9400 GT 256MB. (explain)

Radeon R5 M330 20600 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 16200 (368%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R5 M330 is a better choice, and very much so. (explain)

Radeon R5 M330 8240 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 6040 (275%)

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 9400 GT 256MB

Amazon.com

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Radeon R5 M330

Amazon.com

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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 9400 GT 256MB Radeon R5 M330
Manufacturer nVidia AMD
Year August 2008 2015
Code Name G96a Oland
Memory 256 MB 2048 MB
Core Speed 550 MHz 1030 MHz
Memory Speed 800 MHz 1800 MHz
Power (Max TDP) 50 watts (Unknown) watts
Bandwidth 12800 MB/sec 14400 MB/sec
Texel Rate 4400 Mtexels/sec 20600 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 8240 Mpixels/sec
Unified Shaders 16 320
Texture Mapping Units 8 20
Render Output Units 4 8
Bus Type GDDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 65 nm 28 nm
Transistors 314 million (Unknown) million
Bus PCIe x16 2.0, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units 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 fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 9400 GT 256MB

Amazon.com

Check prices at:

Radeon R5 M330

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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