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HIS X850 XT IceQ II Dual DVI VIVO 256MB PCIe
Date: 2005-04-07 | Author: Björn Endre
Company: HIS
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Introduction
A couple of weeks ago, I reviewed a card using the top-of-the line ATI chipset, the HIS X850XT PE. Today we are looking at a very similar card, the HIS X850 XT (but no PE), a card that is almost a duplicate of the X850XT PE but clocked a bit lower.
Features & Specifications
There isn't much difference between the X850XT PE and the X850XT. They both use the same GPU and the memory on them is the same. The biggest difference is the slight slower GPU and memory speeds as well as being less overclockable (which I will talk about later).
Let’s look at how the X850XT compares to some of the other HIS ATI cards:
| Model Name | HIS X850XT PE IceQ II Dual DVI VIVO 256MB PCIe | HIS X850XT IceQ II Turbo Dual DVI VIVO 256MB PCIe | HIS X800XL IceQ II Turbo Dual DVI VIVO 256MB PCIe | HIS Excalibur X800XT PE IceQII VIVO 256MB AGP |
| Chipset | Radeon X850 PCIe Series | Radeon X850 PCIe Series | Radeon X800 PCIe Series | Radeon X800 AGP Series |
| ASIC | R480 | R480 | R430 | R420 |
| Pixel Pipelines | 16 | 16 | 16 | 16 |
| Vertex Engines | 6 | 6 | 6 | 6 |
| Manu. Process (Micron) | 130nm | 130nm | 130nm | 130nm |
| Transistor | 160M | 160M | 160M | 160M |
| Fill Rate | 8640MTexel/s | 8640MTexel/s or 8528MTexels/s |
6912MTexel/s | 8320MTexel/s |
| Memory Size(MB) | 256 | 256 | 256 | 256 |
| Memory Type | GDDR3 | GDDR3 | GDDR3 | GDDR3 |
| RAMDAC (MHz) | 400 Dual | 400 Dual | 400 Dual | 400 Dual |
| Engine CLK (MHz) | 540 | 540 (Turbo) 533 Normal |
432 (Turbo) | 520 |
| Memory CLK (MHz) | 1180 | 1180 (Turbo) 1148 (Normal) |
1000 (Turbo) | 1120 |
| Memory Interface (bit) | 256 | 256 | 256 | 256 |
| Memory Bandwidth | 37.8GB/s | 37.8GB/s or 36.8GB/s |
32.0GB/s | 35.8GB/s |
| Maximum Resolution | 2048x1536 | 2048x1536 | 2048x1536 | 2048x1536 |
| Bus Interface | PCIe | PCIe | PCIe | AGP |
| VGA | Yes | Yes | Yes | Yes |
| 2nd VGA | Yes | Yes | Yes | Yes |
| DVI | Yes | Yes | Yes | Yes |
| 2nd DVI | Yes | Yes | Yes | No |
| TV-out | Yes | Yes | Yes | Yes |
| HDTV (YPrPb component output) | Yes | Yes | Yes | Yes |
| Video-in | Yes | Yes | Yes | Yes |
| TV Tuner | No | No | No | No |
| FM Tuner | No | No | No | No |
The HIS X850XT also supports a feature called iTurbo wich allows you to overclock it to X850XT PE speeds with a mouseclick.
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$$ FIND THE BEST PRICES FOR Radeon X850 Video Cards AT PRICEGRABBER $$ |
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