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GeForce 9600 GT 1GB vs Radeon HD 4770

Intro

The GeForce 9600 GT 1GB comes with a core clock speed of 650 MHz and a GDDR3 memory speed of 900 MHz. It also uses a 256-bit memory bus, and uses a 65/55 nm design. It is made up of 64 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare those specs to the Radeon HD 4770, which features a GPU core clock speed of 750 MHz, and 512 MB of GDDR5 RAM running at 800 MHz through a 128-bit bus. It also features 640(128x5) SPUs, 32 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4770 80 Watts
GeForce 9600 GT 1GB 95 Watts
Difference: 15 Watts (19%)

Memory Bandwidth

Theoretically speaking, the GeForce 9600 GT 1GB should be just a bit faster than the Radeon HD 4770 overall. (explain)

GeForce 9600 GT 1GB 57600 MB/sec
Radeon HD 4770 51200 MB/sec
Difference: 6400 (13%)

Texel Rate

The Radeon HD 4770 will be a small bit (about 15%) better at AF than the GeForce 9600 GT 1GB. (explain)

Radeon HD 4770 24000 Mtexels/sec
GeForce 9600 GT 1GB 20800 Mtexels/sec
Difference: 3200 (15%)

Pixel Rate

The Radeon HD 4770 should be a bit (approximately 15%) more effective at AA than the GeForce 9600 GT 1GB, and should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 4770 12000 Mpixels/sec
GeForce 9600 GT 1GB 10400 Mpixels/sec
Difference: 1600 (15%)

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 9600 GT 1GB

Amazon.com

Check prices at:

Radeon HD 4770

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 9600 GT 1GB Radeon HD 4770
Manufacturer nVidia AMD
Year Feb 2008 Apr 28, 2009
Code Name G94a/b RV740
Memory 1024 MB 512 MB
Core Speed 650 MHz 750 MHz
Memory Speed 1800 MHz 3200 MHz
Power (Max TDP) 95 watts 80 watts
Bandwidth 57600 MB/sec 51200 MB/sec
Texel Rate 20800 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 64 640(128x5)
Texture Mapping Units 32 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 40 nm
Transistors 505 million 826 million
Bus PCIe x16 2.0 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 9600 GT 1GB

Amazon.com

Check prices at:

Radeon HD 4770

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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