PowerColor Radeon HD 3450 256MB GDDR2

Radeon HD 3450 256MB, DDR2, AGP, 600MHz, DirectX 10.1 - 181 million transistors on 55nm fabrication process;
- AGP 8X interface;
- 64-bit DDR2 memory interface;
- Ring Bus Memory Controller.

Fully distributed design with 256-bit internal ring bus for memory reads and writes.

MicrosoftR DirectXR 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
- 40 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 16 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;
- Early Z test, Re-Z, Z Range optimization, and Fast Z Clear;
- Lossless Z & stencil compression;
- 8 render targets (MRTs) with anti-aliasing support;
- Physics processing support.

Dynamic Geometry Acceleration
- 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 or 4 samples per pixel);
- Custom Filter Anti-Aliasing (CFAA) for improved quality;
- Adaptive super-sampling and multi-sampling;
- Temporal anti-aliasing;
- Gamma correct;
- Super AA (ATI CrossFire 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;
- Bicubic 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 2.0 support
ATI Avivo HD Video and Display Platform
- Dedicated unified video decoder (UVD) for H.264/AVC and VC-1 video formats;
- High definition (HD) playback of both Blu-ray and HD DVD formats;
- Hardware MPEG-1, MPEG-2, and DivX video decode acceleration;
- Motion compensation and IDCT;
- ATI Avivo Video Post Processor;
- 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;
- Inverse telecine (2:2 and 3:2 pull-down correction);
- Bad edit correction;
- 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;
- One integrated DVI display outputs;
- Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI);
- Each includes HDCP encoder with on-chip key storage for maximum resolution playback of protected content;
- Two integrated 400 MHz 30-bit RAMDACs;
- Each supports analog displays connected by VGA at all resolutions up to 2048x1536;
- Integrated AMD Xilleon HDTV encoder;
- Provides high quality analog TV output (component/S-video/composite);
- Supports SDTV and HDTV resolutions;
- Underscan and overscan compensation;
- MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding;
- Seamless integration of pixel shaders with video in real time;
- VGA mode support on all display outputs.

ATI PowerPlay
- 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.