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Radeon HD 4890 OC / R4890-T2D1G-OC

Specifications of the MSI Radeon HD 4890 OC GPU


MSI Radeon HD 4890 OC (part number R4890-T2D1G-OC) is one of a few MSI desktop graphics processing units, based on ATI Radeon HD 4890. Manufactured on 55 nm technological process, the GPU sports Unified Superscalar Shader architecture. The cards graphics frequency is 880 MHz. Furthermore, it has 800 stream processors, 40 texture units, together with 16 color ROPs. The Radeon HD 4890 OC comes with 1 GB of GDDR5 memory. Since the memory runs at 999 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 127.87 GB/s. The GPU supports PCI Express 2.0 interface, and uses 2 motherboard slots. The maximum power consumption of this model is 190 Watt, on a par with the reference design.

Below you will find detailed specs of the MSI Radeon HD 4890 OC graphics card.

Name / Brand / Architecture

Manufacturer:MSI
Model:Radeon HD 4890 OC
Part number:R4890-T2D1G-OC
Reference card?:Yes
Based on:ATI Radeon HD 4890 [Compare]
Target market segment:Desktop
Die name:RV790 XT
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:959 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:880 MHz

Memory specifications

Memory size:1024 MB
Memory type:GDDR5
Memory clock:999 MHz
Memory clock (effective):3996 MHz
Memory interface width:256-bit
Memory bandwidth:127.87 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.264
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:4-way

Electric characteristics

Maximum power draw:190 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:2560 x 1600
Maximum DVI resolution:2560 x 1600
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:14.08 Gigapixels/s
Texture fill rate:35.2 Gigatexels/s
Single presision compute power:1408 GFLOPS
Double precision compute power:281.6 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

Length:9.49 inches (241 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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