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Samsung SyncMaster 2233RZ - 3D 16:10, 22", 1680 x 1050, TN, 3 ms (3D) / 5 ms (2D) 274,95 € |
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Cooler Master HAF-932 Acier, moyenne tour, sans alim. 124,89 € |
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Materiel.net Hestia wide Pc Assemblé : Intel Core i5 750 | NVIDIA® GeForce® GTS 250 | Ecran 20" + Clavier + Souris + Enceintes 1 159,00 € |
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AMD : baisse de prix officielle des Radeon 4830 – 512Mo |
| Par Jeannot61 le 04/03/2009 à 13h10 - 750 lectures | |
AMD France vient de nous communiquer officiellement la baisse de prix de la carte ATI Wheelman (et ce dès maintenant !) : 89,90 euros ttc, au lieu de 99,90…
Une belle carte à un prix tout à fait concurrentiel, car cette dernière se positionne face à une GeForce 9800 GT, que l’on trouve en moyenne autour des 100 euros et plus.
Pour rappel, les caractéristiques de la carte :
Chip graphique Radeon HD 4830
Type de mémoire GDDR3
Quantité de mémoire 512 Mo
Type de refroidissement Ventilateur
Sorties vidéo 2 x DVI, TV
Interface PCI Express x16
ATI Radeon™ HD 4830 - GPU Specifications
§ 956 million transistors on 55nm fabrication process
§ PCI Express 2.0 x16 bus interface
§ 256-bit GDDR3 memory interface
§ Microsoft® DirectX® 10.1 support
• Shader Model 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
• 640 stream processing units
o Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
o Common instruction set and texture unit access supported for all types of shaders
o 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 and Fast Z Clear
• Lossless Z & stencil compression (up to 128:1)
• Lossless color compression (up to 8:1)
• Up to 8 render targets (MRTs) with anti-aliasing
• Accelerated physics processing
§ Dynamic Geometry Acceleration
• High performance vertex cache
• Programmable tessellation unit
• Accelerated geometry shader path 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) for improved quality
• Adaptive super-sampling and multi-sampling
• Gamma correct
• Super AA (ATI CrossFireX™ configurations only)
• All anti-aliasing features compatible with HDR rendering
§ 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 2.1 support
§ ATI Avivo™ HD Video and Display Platform1
• Unified Video Decoder 2 (UVD 2) for H.264/AVC, VC-1, and MPEG-2 video formats
o High definition (HD) playback of Blu-ray and HD DVD video2
o Dual stream (HD+SD) playback support
o DirectX Video Acceleration 1.0 & 2.0 support
o Support for BD-Live certified applications
• Hardware DivX and MPEG-1 video decode acceleration
• ATI Avivo Video Post Processor1
o Color space conversion
o Chroma subsampling format conversion
o Horizontal and vertical scaling
o Gamma correction
o Advanced vector adaptive per-pixel de-interlacing
o De-blocking and noise reduction filtering
o Detail enhancement
o Color vibrance and flesh tone correction
o Inverse telecine (2:2 and 3:2 pull-down correction)
o Bad edit correction
o Enhanced DVD upscaling (SD to HD)
o Automatic dynamic contrast adjustment
• Two independent display controllers
o Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
o Full 30-bit display processing
o Programmable piecewise linear gamma correction, color correction, and color space conversion
o Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
o High quality pre- and post-scaling engines, with underscan support for all display outputs
o Content-adaptive de-flicker filtering for interlaced displays
o Fast, glitch-free mode switching
o Hardware cursor
• Two integrated dual-link DVI display outputs
o Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)3
o 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
o Each supports analog displays connected by VGA at all resolutions up to 2048x15363
• DisplayPort output support
o 24- and 30-bit displays at all resolutions up to 2560x16003
• HDMI output support
o All display resolutions up to 1920x10803
o 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 Xilleon™ HDTV encoder
o Provides high quality analog TV output (component/S-video/composite)
o Supports SDTV and HDTV resolutions
o Underscan and overscan compensation
• Seamless integration of pixel shaders with video in real time
• VGA mode support on all display outputs
§ ATI PowerPlay™ Technology6
• Advanced power management technology for optimal performance and power savings
• Performance-on-Demand
o Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario
o Clock and memory speed throttling
o Voltage switching
o Dynamic clock gating
o Central thermal management – on-chip sensor monitors GPU temperature and triggers thermal actions as required
§ ATI CrossFireX™ 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
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Source : | Pc-boost.com | |
| Posté le 04/03 13:12 par AaAa |
Ouai 1 bonne carte pour pas cher  |
| Posté le 04/03 18:07 par AaAa |
| Je me tate bien d'en prendre une le mois prochain pour remplacer ma 7950 GT |
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