February 21, 2009

Radeon HD 4850 VS GeForce 9800 GTX

ATI or NVIDIA ? That is a big problem when you have to choose a Video Card. Both of the companies produce really great products. The performance you get from your Video card depends on the your other parts of the computer and the applications you run in your computer. Speaking about the applications everybody knows that nvidia cards are better optimized for Crysis and ATI cards are better optimized for Half Life. If you have a Intel motherboard or Intel chipset it's better to choose ATI. If you have nvidia motherboard or nvidia chipset go for a nvidia.

ATI Radeon HD 4850 and NVIDIA GeForce 9800 GTX are two of best video cards that's in the market. Best means there not expensive but producing great performance comparing to the price. Here are some technical specifications about these two cards.


HD 4850

9800 GTX
GPU frequency

625 MHz

675 MHz
ALU frequency

625 MHz

1688 MHz
Memory frequency

1000 MHz

1100 MHz
Memory bus width

256 bits

256 bits
Memory type


Memory quantity

512 MB

512 MB
Number of ALUs


Number of texture units


Number of ROPs


Shading power

1 TFlops

(648) GFlops
Memory bandwidth

64 GB/s

70.4 GB/s
Number of transistors

956 million

754 million


Die area

260 mm²

324 mm²


Shader Model supported



Nvidia 9800 GTX is a double-slot card with two additional six-pin connectors and a thick 7-cm fan, on a board that still measures 26.7 cm (10.5"). But at least most of the heat generated by the card is vented directly outside the case

The Radeon HD 4850 has single-slot design, a single six-pin PCI Express connector, small size (23.3 cm – 9.2") and 6-cm radial fan.

I have checked several web sites for benchmarks and both these cards produce nearly same results but Radeon HD 4850 card was little bit high on the results. Also I noticed that Radeon HD 4850 card is cheaper than the Nvidia 9800 GTX card.

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