Memory
Graphics adapter memory type |
GDDR3 |
Memory bus |
128 bit |
Performance
DirectX version |
11 |
OpenGL version |
3.2 |
Shader model version |
5.0 |
HDCP |
Y |
Other features
HDMI |
Y |
Mac compatibility |
N |
Processor
Graphics processor family |
AMD |
Processor front side bus |
550 MHz |
Stream processors |
320 |
Ports & interfaces
Interface type |
PCI Express 2.1 |
DVI-I ports quantity |
1 |
HDMI ports quantity |
1 |
VGA (D-Sub) ports quantity |
1 |
Power
Minimum system power supply |
400 W |
Radeon HD 5550, DDR3 512MB, 550MHz, PCIE 2.1, 2560x1600, DirectX 11
627 million 40nm transistors.
TeraScale 2 Unified Processing Architecture.
- 320 Stream Processing Units;
- 16 Texture Units;
- 32 Z/Stencil ROP Units;
- 8 Color ROP Units.
DDR2 memory interface.
PCI Express 2.1 x16 bus interface.
DirectX® 11 support.
- Shader Model 5.0;
- DirectCompute 11;
- Programmable hardware tessellation unit;
- Accelerated multi-threading;
- HDR texture compression;
- Order-independent transparency.
OpenGL 3.2 support1.
Image quality enhancement technology.
- Up to 24x multi-sample and super-sample anti-aliasing modes;
- Adaptive anti-aliasing;
- 16x angle independent anisotropic texture filtering;
- 128-bit floating point HDR rendering.
ATI Eyefinity multi-display technology.
- Three independent display controllers;
- Drive three displays simultaneously with independent resolutions, refresh rates, color controls, and video overlays
- Display grouping;
- Combine multiple displays to behave like a single large display
ATI Stream acceleration technology.
- OpenCL Support1;
- DirectCompute 11;
- Accelerated video encoding, transcoding, and upscaling.
ATI CrossFireX™ multi-GPU technology.
- Dual GPU scaling.
ATI Avivo™ HD Video & Display technology.
- UVD 2 dedicated video playback accelerator;
- Advanced post-processing and scaling8;
- Dynamic contrast enhancement and color correction;
- Brighter whites processing (blue stretch);
- Independent video gamma control;
- Dynamic video range control;
- Support for H.264, VC-1, MPEG-2, and Adobe Flash9;
- Dual-stream 1080p playback support10,11;
- DXVA 1.0 & 2.0 support;
- Integrated dual-link DVI output with HDCP12;
- Max resolution: 2560x160013;
- Integrated HDMI 1.3 output with Deep Color, xvYCC wide gamut support, and high bit-rate audio;
- Max resolution: 1920x120013;
- Integrated VGA output;
- Max resolution: 2048x153613;
- Integrated HD audio controller;
- Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required;
- Supports AC-3, AAC, Dolby TrueHD and DTS Master Audio formats.
ATI PowerPlay™ power management technology.
- Dynamic power management with low power idle state;
- Ultra-low power state support for multi-GPU configurations.
Certified drivers for Windows 7, Windows Vista, and Windows XP.