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PowerColor HD 4890 LCS

PowerColor HD 4890 LCS Image ATI RV790 XT Image

Graphics Processor

GPU Name: RV790 XT
Process Size: 55 nm
Transistors: 959 million
Die Size: 282 mm²

Graphics Card

Released: Apr 2nd, 2009
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 850 MHz
900 MHz (+6%)
Memory Clock: 975 MHz
1000 MHz (+3%)
3900 MHz effective
4000 MHz effective

Memory

Memory Size: 1024 MB
Memory Type: GDDR5
Memory Bus: 256 bit
Bandwidth: 125 GB/s
128 GB/s

Render Config

Shading Units: 800
TMUs: 40
ROPs: 16
Compute Units: 10
Pixel Rate: 13.6 GPixel/s
14.4 GPixel/s
Texture Rate: 34.0 GTexel/s
36.0 GTexel/s
Floating-point performance: 1,360 GFLOPS
1,440 GFLOPS

Reference Board

Slot Width: Dual-slot
Length: 9.49 inches
241 mm
TDP: 190 W
Outputs: 2x DVI
1x S-Video

Graphics Features

DirectX: 10.1
OpenGL: 3.3
OpenCL: 1.0
Shader Model: 4.1

VGA BIOS

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GPU-Z Validation

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Reviews

Our review database contains 114 reviews of the HD 4890 LCS.

RV790 XT GPU Notes

HD 4890

Other retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 4890 TOP 900 MHz 1000 MHz
Diamond HD 4890 XOC 925 MHz 1050 MHz 9.8 inches
HIS HD 4890 Fan Turbo 900 MHz 1000 MHz 9.69 inches
HIS HD 4890 Fan Turbo+ 965 MHz 1050 MHz 9.69 inches
MSI HD 4890 Cyclone SOC 1000 MHz 1000 MHz 1x DVI 1x VGA 1x HDMI
PowerColor HD 4890 LCS 900 MHz 1000 MHz
PowerColor HD 4890 PCS+ 950 MHz 1000 MHz
Sapphire HD 4890 900 MHz 1000 MHz
Sapphire HD 4890 Atomic 1000 MHz 1050 MHz
Sapphire HD 4890 New Edition 900 MHz 1000 MHz 1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 4890 Toxic 960 MHz 1050 MHz
Sapphire HD 4890 Vapor-X OC 870 MHz 1050 MHz 1x DVI 1x VGA 1x HDMI 1x DisplayPort
Sapphire HD 4890 Vapor-X OC 2 GB 870 MHz 1050 MHz 2048 MB, 1x DVI 1x VGA 1x HDMI 1x DisplayPort
VisionTek HD 4890 OC Edition 950 MHz 1050 MHz
XFX HD 4890 Black Edition 1000 MHz 1000 MHz