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GeForce 9800 GT 1GB vs GeForce GTS 450 1GB


Intro

The GeForce 9800 GT 1GB uses a 65/55 nm design. nVidia has clocked the core frequency at 600 MHz. The GDDR3 RAM works at a speed of 900 MHz on this specific card. It features 112 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Compare that to the GeForce GTS 450 1GB, which makes use of a 40 nm design. nVidia has clocked the core frequency at 783 MHz. The GDDR5 memory runs at a frequency of 902 MHz on this model. It features 192 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)

GeForce 9800 GT 1GB 105 Watts
GeForce GTS 450 1GB 106 Watts
Difference: 1 Watts (1%)

Memory Bandwidth

In theory, the GeForce GTS 450 1GB should perform just a bit faster than the GeForce 9800 GT 1GB overall. (explain)

GeForce GTS 450 1GB 57728 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 128 (0%)

Texel Rate

The GeForce 9800 GT 1GB should be quite a bit (approximately 34%) faster with regards to AF than the GeForce GTS 450 1GB. (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 8544 (34%)

Pixel Rate

The GeForce GTS 450 1GB will be much (about 31%) better at FSAA than the GeForce 9800 GT 1GB, and will be able to handle higher resolutions better. (explain)

GeForce GTS 450 1GB 12528 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 2928 (31%)

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 9800 GT 1GB

GeForce GTS 450 1GB

Specifications

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Model GeForce 9800 GT 1GB GeForce GTS 450 1GB
Manufacturer nVidia nVidia
Year July 2008 September 2010
Code Name G92a/b GF106
Memory 1024 MB 1024 MB
Core Speed 600 MHz 783 MHz
Memory Speed 1800 MHz 3608 MHz
Power (Max TDP) 105 watts 106 watts
Bandwidth 57600 MB/sec 57728 MB/sec
Texel Rate 33600 Mtexels/sec 25056 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 12528 Mpixels/sec
Unified Shaders 112 192
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 40 nm
Transistors 754 million 1170 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling 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 video card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to 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 reach the maximum fill rate.

GeForce 9800 GT 1GB

GeForce GTS 450 1GB

Comments

5 Responses to “GeForce 9800 GT 1GB vs GeForce GTS 450 1GB”
ААААx16 says:

9800GT 754млн.транзисторов
GTS450 1170млн.транзисторов

Hermenegildo says:

í think 450gts is butter than 98gt

asudhasud says:

yiugdswihgbFWIEYFUgwecefFVYOUAREGAYkasdhbausgbdihas

Dave says:

I think both card are the same,

I've got them both but the 9800gt works better with bf4 framerate between 30 35 f/s

the gts450 has a frame rate 16 till 25 f/s. tested this yesterday. with the gts450 it was stuttering as hell, this i don't have with the 9800gt.

Anonymous says:

who works better on cod ghosts ?

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