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Powercolor Radeon HD 4890 850MHZ 1GB 3.9GHZ GDDR5 PCI-E 2XDVI HDTV Video Card

Powercolor Radeon HD 4890 850MHZ 1GB 3.9GHZ GDDR5 PCI-E 2XDVI HDTV Video Card - 41845_l.jpg
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PowerColor
Reg. Price: $219.99  CAD
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   SKU:  
41845
   Shipping Weight:   3 lbs
   Part #: AX4890 1GBD5

Features    [ Edit | History ]
  • 956 million transistors on 55nm fabrication process
  • PCI ExpressR 2.0 x16 bus interface
  • 256-bit GDDR5 memory interface
  • MicrosoftR DirectXR 10.1 support
    • ShaderModel 4.1
    • 32-bit floating point texture filtering
    • Indexed cube map arrays
    • Independent blend modes per render target
    • Pixel coverage sample masking
    • Read/write multi-sample surfaces with shaders
    • Gather4 texture fetching
  • Unified Superscalar Shader Architecture
    • 800 stream processing units
      • Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
      • Common instruction set and texture unit access supported for all types of shaders
      • Dedicated branch execution units and texture address processors
    • 128-bit floating point precision for all operations
    • Command processor for reduced CPU overhead
    • Shader instruction and constant caches
    • Up to 160 texture fetches per clock cycle
    • Up to 128 textures per pixel
    • Fully associative multi-level texture cache design
    • DXTC and 3Dc+ texture compression
    • High resolution texture support (up to 8192 x 8192)
    • Fully associative texture Z/stencil cache designs
    • Double-sided hierarchical Z/stencil buffer
    • Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
    • Lossless Z & stencil compression (up to 128:1)
    • Lossless color compression (up to 8:1)
    • 8 render targets (MRTs) with anti-aliasing support
    • Accelerated physics processing
  • Dynamic Geometry Acceleration
    • High performance vertex cache
    • Programmable tessellation unit
    • Accelerated geometry shaderpath for geometry amplification
    • Memory read/write cache for improved stream output performance
  • Anti-aliasing features
    • Multi-sample anti-aliasing (2, 4, or 8 samples per pixel)
    • Up to 24x Custom Filter Anti-Aliasing (CFAA)
    • Adaptive super-sampling and multi-sampling
    • Gamma correct
    • Super AA (ATI CrossFireXTMconfigurations only)
    • All anti-aliasing features compatible with HDR renderin
  • Texture filtering features
    • 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
    • 128-bit floating point HDR texture filtering
    • sRGB filtering (gamma/degamma)
    • Percentage Closer Filtering (PCF)
    • Depth & stencil texture (DST) format support
    • Shared exponent HDR (RGBE 9:9:9:5) texture format support
  • OpenGL 3.0 support
  • ATI AvivoTM HD Video and Display Platform1
    • Unified Video Decoder 2 (UVD) for H.264/AVC, VC-1, and MPEG-2 video formats
      • High definition (HD) playback of Blu-ray and HD DVD video2
      • Dual stream (HD+SD) playback support
      • DirectX Video Acceleration 1.0 & 2.0 support
      • Support for BD-Live certified applications
    • Hardware DivXand MPEG-1 video decode acceleration
    • AIT AvivoVideo Post Processor1
      • Color space conversion
      • Chroma subsampling format conversion
      • Horizontal and vertical scaling
      • Gamma correction
      • Advanced vector adaptive per-pixel de-interlacing
      • De-blocking and noise reduction filtering
      • Detail enhancement
      • Color vibrance and flesh tone correction
      • Inverse telecine (2:2 and 3:2 pull-down correction)
      • Bad edit correction
      • Enhanced DVD upscaling (SD to HD)
      • Automatic dynamic contrast adjustment
    • Two independent display controllers
      • Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
      • Full 30-bit display processing
      • Programmable piecewise linear gamma correction, color correction, and color space conversion
      • Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
      • High quality pre- and post-scaling engines, with underscan support for all display outputs
      • Content-adaptive de-flicker filtering for interlaced displays
      • Fast, glitch-free mode switching
      • Hardware cursor
    • Two integrated dual-link DVI display outputs
      • Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)3
      • Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content4
    • Two integrated 400 MHz 30-bit RAMDACs
      • Each supports analog displays connected by VGA at all resolutions up to 2048x15363
    • HDMI output support
      • All display resolutions up to 1920x10803
      • Integrated HD audio controller with support for stereo and multi-channel (up to 7.1) audio formats, including AC-3, AAC, DTS5, enabling a plug-and-play audio solution over HDMI
    • Integrated AMD XilleonTM HDTV encoder
      • Provides high quality analog TV output (component/S- video/composite)
      • Supports SDTV and HDTV resolutions
      • Underscan and overscan compensation
    • Seamless integration of pixel shaderswith video in real time
    • VGA mode support on all display outputs
  • ATI PowerPlayTM Technology6
    • Advanced power management technology for optimal performance and power savings
    • Performance-on-Demand
      • Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario
      • Clock and memory speed throttling
      • Voltage switching
      • Dynamic clock gating
      • Central thermal management-on-chip sensor monitors GPU temperature and triggers thermal actions as required
  • ATI CrossFireXTM Multi-GPU Technology7
    • Scale up rendering performance and image quality with two, three, or four GPUs
    • Integrated compositing engine
    • High performance dual channel bridge interconnect8
  1. ATI AvivoT HD is a technology platform that includes a broad set of capabilities offered by certain ATI RadeonT HD GPUs. Not all products have all features and full enablement of some ATI AvivoT HD capabilities may require complementary products.
  2. Blu-ray or HD DVD drive and HD monitor required
  3. Some custom resolutions require user configuration
  4. Playing HDCP content requires additional HDCP ready components, including but not limited to an HDCP ready monitor, Blu-ray or HD DVD disc drive, multimedia application and computer operating system.
  5. ATI PowerPlayTM technology consists of numerous power saving features. Not all features may be available in all ATI Radeon HD 4800 Series graphics cards.
  6. ATI CrossFireXTM technology requires an ATI CrossFireX Ready motherboard and may require a specialized power supply.
  7. Dual channel interconnect is not required for ATI CrossFireXTM, and may not be included in all product configurations.

Customer Reviews of (PowerColor AX4890 1GBD5)

Product reviews on NCIX.com are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by NCIX.com, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed in these reviews.
Recommend By
78%
Out of 13 Review(s)
5 star: (5) 
4 star: (2) 
3 star: (6) 
2 star: (0) 
1 star: (0) 
Avg. Rating
TechnoCrat0
02/20/10
Experience: 3 Months
 Verified Owner
Pros
Great performance in crossfire at high resolution. Price=$150 after rebate.
Cons
High load temperature. Loud fan.
Summary
I got this to run in crossfire with my Sapphire 4890. Runs about 20 degrees higher than the Sapphire but still in acceptable temperature. I got it for $50 cheaper so I can't complain. Can run any game very well at max settings.

QuickSurfer
12/27/09
Experience: 20 Days
 Verified Owner
Pros
Fast card that works well enough at stock settings
Cons
not much overclocking headroom
Summary
This card performs very well for me and runs at a relatively cold temperature even under high load. My only complaint is that this card offers a very limited range of overclocking before artifacts and such begin to appear in game.

François_V
12/19/09
Experience: 2 Days
 Verified Owner
Pros
Fast
Stock cooler seems to do the job well
Cons
Uses two power supply connector.
Summary
This card is cheap yet extremely fast. It's performance is amazing. The installation was easy to do. The only small thing is that the fan of the heatsink is a little bit out of the card making it possible to hit wires that could be there if you don't tie them well.

SomeGuyGG
12/12/09
Experience: 7 Days
 Verified Owner
Pros
FAST!
Runs cool
Cons
Power hog
Fan can get loud
Summary
A solid card, runs every game out at max settings [even Crysis runs great]. Temps are idle at 50 degrees C and top out at 70 degrees C. For the price there is no reason not to get it!

froster
12/12/09
Experience: 7 Days
 Verified Owner
Pros
Great performance out of the box. Adds real life jet engine sound to your flight simulator game.
Cons
Loud. Heatsink fell off upon opening the box.
Summary
First video card since Radeon 8500LE. Out of the box, the heatsink fell off (it's only held by a strip of glue). So the lazy idiot that I am I decided to hold it in place with 2 rubber bands. It's been working so farAlso, it is VERY LOUD until you install the Catalyst suite, after which the fan is inaudible until playing a game, where the noise threatens to lift you off into space. Idling temp measured with CPUID is in the 66-70 range with the fan manually set at 40%.

Buy this card if you're not picky about noise and want fast performance for minimal cost (at $150AR it was a good $40-50 cheaper than other brands). There looks to be another design version of this card wherein the heatsink is enclosed by a red plastic housing mounted on the card. Certainly looks more physically stable than the one I have. Though that could've been the 512mb version I was reading about..

Jamal_H
12/09/09
Experience: 3 Days
 Verified Owner
Pros
Fast, this thing can play any game on its highest settings. The temperature is great. Not loud.
Cons
None
Summary
I absolutely love this graphics card. 150 after rebate for a Radeon 4890. Can play everything any game. My temperatures are around 55 degrees on idle and 65 on load, never crossed 65 degrees. The fan isnt loud at all. I am using it without after market cooling and its a really good temperature. My previous card a XFX 4870, ran about 95 degrees on load, so this is a huge difference. I dont know what happened to the other people but mine is great.

This review was modfied by poster @ 12-09-09 07:15 AM

icantbelieveyouguystookmyname
12/04/09
Experience: 2 Days
 Verified Owner
Pros
-Price
-Speed
Cons
-Noise
-Power consumption
-Heat
Summary
Overall I have to say this is a very good video card. It is a cut down of the AMD reference HD4890, the parts are of lower quality; however, it runs at stock speeds just fine, but don't expect much oc headroom. At the black friday sale prices, this thing is unbeatable. 7 dollars cheaper than the 5770 even before rebate, and performs a LOT faster, by large margins.

Downsides... this card runs very hot, the stock cooler is incapable of cooling this card. Running furmark results in the card going above 100C on the core. The stock cooler is extremely noisy as well.

Again as I've mentioned before, it's a very good card overall, but i highly recommend an aftermarket cooler just to keep the card under 90C if possible at tolerable noise levels. Still going to give it 4 stars for the excellent stock performance.

Dusty67
12/01/09
Experience: 3 Weeks
 Verified Owner
Pros
Awesome
Fast

Cons
Fan can be loud, but not as loud as my 8800GT. So Im not complaining.
Summary
Ok, I been reading the reviews and I was almost regretting this purchase. I dont know if Im lucky or something but I have no problems with this card. I can see people complaining about the fan but it is quieter than my 8800GT which got super hot and loud. Very happy with my new card.

LarryT
11/30/09
Experience: 1 Weeks
 Verified Owner
Pros
- Amazing performance for the money
- Comparible to nvidia 275 to 280 GTX series and even comes close to 285 GTX with some games
- small card compared to 260 + GTX series cards (1.5" shorter)
Cons
- runs hot 50C idle, 75-80C max load in FurMark. Still reasonable as my old 8800 GTS 512 G92 ran at even higher temps
- fan is quiet at idle but at 70% and above it will be the loudest noise coming from your PC
Summary
Great card for the money. Picked it up on sale for only $150 after rebate. First card was overheating and would lock up occasionally. Thanks to NCIX Burnany store for great customer service, they replaced it quickly and this one is working great. Stock performance is on par with GTX 280 in almost all games and 4890 costs over $125 less!

I was going to wait for the 5850 but at $300+ I couldn't justify it. Any video card imo that costs more than a PS3/360 is VERY hard to justify, no matter how fast it is or the technology behind it. Considering this runs pretty much any game at max settings 60+ fps at 1368x720 or 1600x900 anything else is overkill!


Pedros69
11/27/09
Experience: 2 Months
Pros
Good Performance Card..
Cons
Hot ... The Heatsink are worst then the Ati Reference Model ...
Summary
Good Card for the perf ... But the heatsink do a worst job ...
even on my 900 case. I think im gonna switch the heatsink for a real good one made by Zalman!


Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

URL: http://www.techpowerup.com/reviews/Powercolor/HD_4890/
Comment: Another great review site for another view.
Posted by: Michael_S @09/13/09
URL: http://www.overclockersclub.com/reviews/powercolor_hd4890/
Comment: Great site for reviews. Includes info on overclocking.
Posted by: Michael_S @09/13/09
Submit a review link   |   Latest 30 reviews

Specifications    [ Edit | History ]
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Messages about Powercolor Radeon HD 4890 850MHZ 1GB 3.9GHZ GDDR5 PCI-E 2XDVI HDTV Video Card

reference design? (Richard_N- Jan 03, 10, 3 Replies) Read this message
Stock HS Upgrade (Gord_P- Dec 30, 09, 1 Replies) Read this message
Crossfire Ribbons (Dusty67- Dec 22, 09, 3 Replies) Read this message
Rebate?????????????????????Never? (XXspeed- Dec 15, 09, 11 Replies) Read this message
NO REBATES!! (Sean_O- Dec 13, 09, 3 Replies) Read this message
minimun psu? (Thorfinn- Dec 08, 09, 4 Replies) Read this message
Parts missing from package (pillsburied- Dec 06, 09, 3 Replies) Read this message
Will Corsair VX450W be enough for this? (Bradley_B- Nov 30, 09, 4 Replies) Read this message
Need a solid replacement cooling solution (Linuxwolf- Nov 03, 09, 15 Replies) Read this message
Rebate? (Michael_S- Sep 13, 09, 1 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

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