Lantic Radeon HD 4855

Version
Version
A4855D5-1GDVH TOP
Brand
Brand
Lantic
Graphics Processor
Graphics Processor
ATI Radeon HD 4855
RAM
RAM
GDDR5
RAM Capacity
RAM Capacity
115.2 GB/s
Resolution
Resolution
2560 x 1600

Lantic Radeon HD 4855 Prices


Lantic Radeon HD 4855 Key Specifications


Brand
Lantic
Model
Lantic Radeon HD 4855
Version
A4855D5-1GDVH TOP
Category
Gpus
Graphics Processor
ATI Radeon HD 4855
RAM
GDDR5
RAM Capacity
115.2 GB/s
Resolution
2560 x 1600

Lantic Radeon HD 4855 Technical Specifications


Product Overview

Model
Lantic Radeon HD 4855
Manufacturer
Lantic
Market segment
Desktop
Part number
A4855D5-1GDVH TOP
Gpu base
ATI Radeon HD 4855
Category
GPUs

Design

SLOT WIDTH

Slot width
Dual Slot

DIMENSIONS

Dimensions
8.66 inches (220 mm) x 5.12 inches (130 mm)

Display

RESOLUTION

Max digital resolution
2560 x 1600
Max monitors supported
Up to 3 displays
Max hdmi resolution
1920 x 1200
Max dvi resolution
2560 x 1600
Max vga resolution
2048 x 1536
Hdmi support
Present
Hdmi version
1.3

TECHNOLOGIES

Anti-aliasing technologies
  • 24 x CFAA
  • 8 x MSAA
  • Adaptive MSAA & SSAA
Decoders
  • DivX
  • H.264
  • MPEG 1
  • MPEG-2
  • VC-1
Additional features
  • ATI/AMD PowerPlay
  • HDCP
  • High Dynamic Range (HDR) Support
Color rops
16
Max crossfire configuration
4-way

Memory

Size
512 MB
Type
GDDR5
Memory interface width
256 bit
Clock speed
900 MHz
Effective memory clock
3600 MHz
Memory bandwidth
115.2 GB/s

Power

Max power draw
110 W

Performance

COMPUTE POWER

Single precision
800 GFLOPS
Double precision
160 GFLOPS

FILL RATES

Texture fill rate
20 Gigatexels/s
Pixel fill rate
10 Gigapixels/s

Technology

ARCHITECTURE

Architecture
Unified Superscalar Shader Architecture
Die name
RV770 Pro
Transistor count
956 million
Fabrication process
55 nm
Bus interface
PCI-E 2.0 x 16

CORE

Texture units
32
Stream processors
640
Ramdacs
400 MHz

CLOCK FREQUENCIES

Graphics clock
625 MHz

API

Directx support
10.1
Opengl support
3.3
Opencl support
1.0
Shader model
4.1

WINDOWS DRIVER SUPPORT

Windows driver support
  • Windows 7
  • Windows Vista
  • Windows XP

Connectors

Size
512 MB
Type
GDDR5
Memory interface width
256 bit
Clock speed
900 MHz
Effective memory clock
3600 MHz
Memory bandwidth
115.2 GB/s
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User Reviews for Lantic Radeon HD 4855


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