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GeForce GTX 260 vs GeForce GTX 650

Intro

The GeForce GTX 260 makes use of a 65 nm design. nVidia has set the core speed at 576 MHz. The GDDR3 memory works at a frequency of 999 MHz on this card. It features 192 SPUs along with 64 TAUs and 28 Rasterization Operator Units.

Compare those specs to the GeForce GTX 650, which comes with core speeds of 1058 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 memory. It features 384 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 260 182 Watts
Difference: 118 Watts (184%)

Memory Bandwidth

In theory, the GeForce GTX 260 should be a lot faster than the GeForce GTX 650 in general. (explain)

GeForce GTX 260 111888 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 31888 (40%)

Texel Rate

The GeForce GTX 260 should be a bit (approximately 9%) better at AF than the GeForce GTX 650. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 3008 (9%)

Pixel Rate

The GeForce GTX 650 should be a small bit (about 5%) better at FSAA than the GeForce GTX 260, and should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 650 16928 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 800 (5%)

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

GeForce GTX 260

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

Model GeForce GTX 260 GeForce GTX 650
Manufacturer nVidia nVidia
Year June 16, 2008 September 2012
Code Name G200 GK107
Fab Process 65 nm 28 nm
Bus PCIe x16 2.0 PCIe 3.0 x16
Memory 896 MB 2048 MB
Core Speed 576 MHz 1058 MHz
Shader Speed 1242 MHz 1058 MHz
Memory Speed 999 MHz (1998 MHz effective) 1250 MHz (5000 MHz effective)
Unified Shaders 192 384
Texture Mapping Units 64 32
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.1 OpenGL 4.3
Power (Max TDP) 182 watts 64 watts
Shader Model 4.0 5.0
Bandwidth 111888 MB/sec 80000 MB/sec
Texel Rate 36864 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 16928 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 again. If 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 are applied per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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

Comments

4 Responses to “GeForce GTX 260 vs GeForce GTX 650”
randy says:
The GTX 260 is essentially the same as GTX 650, the advantage the GTX 650 has is Directx 11
SeriousJ says:
Looking at the gtx 650's power consumption, this has to be a very effective card for casual gaming deliviering 260's performance. (+directx 11.1)
PAul says:
lol 650 for lyfe!
Dark_Razar says:
Pros e cons of the two cards:

GTX 260:
- It is faster in general.
- A lot more Cheaper than the GTX 650 (You can save more than 60$).

GTX 650
- DirectX 11.
- Less Power Consuption.

It's not a real comparison, just because the GTX 260 is pretty old... But it's still a good graphic card.

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