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GeForce 9800 GT 1GB vs GeForce GTS 450 1GB

Intro

The GeForce 9800 GT 1GB has a clock frequency of 600 MHz and a GDDR3 memory frequency of 900 MHz. It also uses a 256-bit bus, and uses a 65/55 nm design. It features 112 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the GeForce GTS 450 1GB, which comes with GPU clock speed of 783 MHz, and 1024 MB of GDDR5 RAM set to run at 902 MHz through a 128-bit bus. It also features 192 SPUs, 32 TAUs, and 16 Raster Operation Units.

(No game benchmarks for this combination yet.)

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

As far as performance goes, the GeForce GTS 450 1GB should in theory be a little bit superior to 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 will be a lot (more or less 34%) better at anisotropic filtering 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 is much (more or less 31%) faster with regards to full screen anti-aliasing than the GeForce 9800 GT 1GB, and will be capable of handling 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

Amazon.com

GeForce GTS 450 1GB

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 9800 GT 1GB GeForce GTS 450 1GB
Manufacturer nVidia nVidia
Year July 2008 September 2010
Code Name G92a/b GF106
Fab Process 65/55 nm 40 nm
Bus PCIe x16 2.0 PCIe x16
Memory 1024 MB 1024 MB
Core Speed 600 MHz 783 MHz
Shader Speed 1500 MHz 1566 MHz
Memory Speed 900 MHz (1800 MHz effective) 902 MHz (3608 MHz effective)
Unified Shaders 112 192
Texture Mapping Units 56 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1
Power (Max TDP) 105 watts 106 watts
Shader Model 4.0 5.0
Bandwidth 57600 MB/sec 57728 MB/sec
Texel Rate 33600 Mtexels/sec 25056 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 12528 Mpixels/sec

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 processed per second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the graphics 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 number of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

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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