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4
Points

Product code:

AX4870 1GBD5-G

EAN:	4712505023915

Date Added:

16/10/2009

Last Modified:

09/03/2010

Central Stock:

Manufacturer:

PowerColor

PowerColor Radeon HD4870 1024MB

Radeon HD4870 1024MB, GDDR5, PCI-E, 770MHz, DirectX 10.1

Product is discontinued. You can not order it anymore.

€ 137.55

Price details:
Excl. VAT:		€ 113.68
Eco fees:		€ 0.00
VAT 21%:		€ 23.87
Net:		€ 137.55

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Specifications

Warranty

Other

Description

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.

Main Specifications

Memory
Maximum graphic adapter memory		1024 MB
Graphics adapter memory type		GDDR5-SDRAM
Memory bus		256 bit
Memory clock speed		900 MHz

Processor
Graphic processor		Radeon HD4870
Graphics adapter RAMDAC		400 MHz
Processor clock speed		770 MHz
Stream processors		800

Connectivity
Interface type		PCI Express 2.0
DVI port		2
DVI-I ports quantity		2
VGA (D-Sub) ports quantity		1

Video
DirectX version		10.1
Video compression formats		H.264, AVC, VC-1,MPEG-2, MPEG-1
HDMI		Y
Shader model version		4.1
OpenGL version		2.0
Dual DVI		Y
TV-out		Y

System requirements
Mac compatibility		N

Display
Maximum resolution		2560 x 1600 pixels

Technical details
Parallel processing technology support		CrossFire
HDCP		Y
Cooling type		active
Chipset		ATI