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GeForce GTX 470 vs GeForce GTX 650


Intro

The GeForce GTX 470 makes use of a 40 nm design. nVidia has clocked the core speed at 607 MHz. The GDDR5 RAM is set to run at a speed of 837 MHz on this card. It features 448 SPUs as well as 56 TAUs and 40 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 650, which features GPU core speed of 1058 MHz, and 1024 MB of GDDR5 memory running at 1250 MHz through a 128-bit bus. It also is comprised of 384 Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 470 2940 points
GeForce GTX 650 2270 points
Difference: 670 (30%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 470 215 Watts
Difference: 151 Watts (236%)

Memory Bandwidth

In theory, the GeForce GTX 470 should be 67% quicker than the GeForce GTX 650 overall, because of its greater bandwidth. (explain)

GeForce GTX 470 133920 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 53920 (67%)

Texel Rate

The GeForce GTX 470 will be a bit (about 0%) better at AF than the GeForce GTX 650. (explain)

GeForce GTX 470 33992 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 136 (0%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 470 is the winner, by a large margin. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 7352 (43%)

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 GTX 470

Amazon.com

GeForce GTX 650

Amazon.com

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 GTX 470 GeForce GTX 650
Manufacturer nVidia nVidia
Year March 2010 September 2012
Code Name GF100 GK107
Memory 1280 MB 1024 MB
Core Speed 607 MHz 1058 MHz
Memory Speed 3348 MHz 5000 MHz
Power (Max TDP) 215 watts 64 watts
Bandwidth 133920 MB/sec 80000 MB/sec
Texel Rate 33992 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 16928 Mpixels/sec
Unified Shaders 448 384
Texture Mapping Units 56 32
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 1300 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen 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 amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 470

Amazon.com

GeForce GTX 650

Amazon.com

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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