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GeForce 9800 GT 1GB vs Radeon HD 7750


The GeForce 9800 GT 1GB comes with core clock speeds of 600 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 memory. It features 112 SPUs along with 56 TAUs and 16 Rasterization Operator Units.

Compare all that to the Radeon HD 7750, which features clock speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce 9800 GT 1GB 105 Watts
Difference: 50 Watts (91%)

Memory Bandwidth

In theory, the Radeon HD 7750 should be 25% faster than the GeForce 9800 GT 1GB overall, because of its greater data rate. (explain)

Radeon HD 7750 72000 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 14400 (25%)

Texel Rate

The GeForce 9800 GT 1GB will be a lot (more or less 31%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 8000 (31%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 7750 is a better choice, by far. (explain)

Radeon HD 7750 12800 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 3200 (33%)

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 9800 GT 1GB

Radeon HD 7750

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.


Display Specifications

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Model GeForce 9800 GT 1GB Radeon HD 7750
Manufacturer nVidia AMD
Year July 2008 February 2012
Code Name G92a/b Cape Verde Pro
Memory 1024 MB 1024 MB
Core Speed 600 MHz 800 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 105 watts 55 watts
Bandwidth 57600 MB/sec 72000 MB/sec
Texel Rate 33600 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 112 512
Texture Mapping Units 56 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million 1500 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.1
OpenGL Version OpenGL 3.0 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling 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 could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.


2 Responses to “GeForce 9800 GT 1GB vs Radeon HD 7750”
AMDFTW says:

Very close
but the HD7750 took the cake

victor says:

9800GT have more performance again textures? i dont know...

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