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GeForce GTX 460 vs GeForce GTX 650


Intro

The GeForce GTX 460 features a GPU core clock speed of 675 MHz, and the 768 MB of GDDR5 RAM is set to run at 900 MHz through a 192-bit bus. It also is made up of 336 SPUs, 56 Texture Address Units, and 24 Raster Operation Units.

Compare those specifications to the GeForce GTX 650, which features GPU clock speed of 1058 MHz, and 1024 MB of GDDR5 memory set to run at 1250 MHz through a 128-bit bus. It also features 384 SPUs, 32 TAUs, and 16 ROPs.

Display Graphs

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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 460 2560 points
GeForce GTX 650 2270 points
Difference: 290 (13%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 460 150 Watts
Difference: 86 Watts (134%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 will be 8% quicker than the GeForce GTX 650 in general, due to its higher bandwidth. (explain)

GeForce GTX 460 86400 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 6400 (8%)

Texel Rate

The GeForce GTX 460 should be a bit (about 12%) more effective at AF than the GeForce GTX 650. (explain)

GeForce GTX 460 37800 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 3944 (12%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 650 is superior to the GeForce GTX 460, but it probably won't make a huge difference. (explain)

GeForce GTX 650 16928 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 728 (4%)

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 460

GeForce GTX 650

Specifications

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Model GeForce GTX 460 GeForce GTX 650
Manufacturer nVidia nVidia
Year July 2010 September 2012
Code Name GF104 GK107
Memory 768 MB 1024 MB
Core Speed 675 MHz 1058 MHz
Memory Speed 3600 MHz 5000 MHz
Power (Max TDP) 150 watts 64 watts
Bandwidth 86400 MB/sec 80000 MB/sec
Texel Rate 37800 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 16928 Mpixels/sec
Unified Shaders 336 384
Texture Mapping Units 56 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 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: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, the result 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, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

GeForce GTX 460

GeForce GTX 650

Comments

4 Responses to “GeForce GTX 460 vs GeForce GTX 650”
zoe says:

I purchased a GEFORCE GT620 on advice from the shop technician. Performance was dismal. An ATI Radeon HD5670 at the same price gives me a bench mark of 7.1 for graphics and gaming graphics. The old faithful GTX which cost a lot more bechmarks in at 7.6 for both tests. The GT620 comes in at 4 for the Graphics and 5.1 for gaming graphics. The GT620 2GB costs $80 and the GT630 4GB $150.

leland says:

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leland says:

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jesus christ says:

niggas want to play rough?

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