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Radeon HD4870 1GB GDDR5 (Stalker Edition) / AX4870 1GBD5-G

Specifications of the PowerColor Radeon HD4870 1GB GDDR5 (Stalker Edition) GPU


PowerColor Radeon HD4870 1GB GDDR5 (Stalker Edition) (part number AX4870 1GBD5-G) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 4870 GDDR5. The GPU is manufactured on 55 nm technological process. The cards graphics frequency is 770 MHz. Furthermore, it has 800 stream processors, 40 texture units, together with 16 color ROPs. The Radeon HD4870 1GB GDDR5 (Stalker Edition) incorporates 1 GB of GDDR5 memory. Because the memory runs at 900 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 115.2 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. The maximum power draw of this model is 150 Watt, on a par with the reference design.

More detailed specifications of the PowerColor Radeon HD4870 1GB GDDR5 (Stalker Edition) card you will find below.

Name / Brand / Architecture

Manufacturer:PowerColor
Model:Radeon HD4870 1GB GDDR5 (Stalker Edition)
Part number:AX4870 1GBD5-G
Based on:ATI Radeon HD 4870 GDDR5 [Compare]
Target market segment:Desktop
Die name:RV770 XT
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:956 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:770 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:900 MHz
Memory clock (effective):3.6 GHz
Memory interface width:**-bit
Memory bandwidth:115.2 GB/s

Cores / Texture

Color ROPs:16
Stream processors:800
Texture units:40
Texture fetches / clock cycle:Up to 160
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.2**
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:4-way

Electric characteristics

Maximum power draw:150 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:**0 x 1600
Maximum DVI resolution:**0 x 1600
Maximum HDMI resolution:1920 x 1200
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:24 x CFAA
8 x MSAA
Adaptive MSAA & SSAA
HDMI:Yes
HDMI version:1.3

Performance

Pixel fill rate:12.32 Gigapixels/s
Texture fill rate:30.8 Gigatexels/s
Single presision compute power:1232 GFLOPS
Double precision compute power:246.4 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-I
S-Video
Power connectors:2 x 6-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):9.49 inches (241 mm) x 4.41 inches (112 mm)
Width:Dual-Slot

Other features / Support

Other features:ATI/AMD PowerPlay
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.0
OpenGL support:3.3
DirectX support:10.1
Shader model:4.1
Windows driver support:Windows 7
Windows Vista
Windows XP
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