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Sapphire HD 4890 Vapor-X OC 2 GB

Sapphire HD 4890 Vapor-X OC 2 GB Image ATI RV790 Image

Graphics Processor

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

Graphics Card

Released: Apr 2nd, 2009
Jul 13th, 2009
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16
Sapphire Part #: 100269-2GVXL

Clock Speeds

GPU Clock: 850 MHz
870 MHz (+2%)
Memory Clock: 975 MHz
1050 MHz (+8%)
3900 MHz effective
4200 MHz effective

Memory

Memory Size: 1024 MB
2048 MB
Memory Type: GDDR5
Memory Bus: 256 bit
Bandwidth: 125 GB/s
134 GB/s

Render Config

Shading Units: 800
TMUs: 40
ROPs: 16
Compute Units: 10
Pixel Rate: 13.6 GPixel/s
13.9 GPixel/s
Texture Rate: 34.0 GTexel/s
34.8 GTexel/s
Floating-point performance: 1,360 GFLOPS
1,392 GFLOPS

Reference Board

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

1x DVI
1x VGA
1x HDMI
1x DisplayPort

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 Vapor-X OC 2 GB.

RV790 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 975 MHz
Sapphire HD 4890 850 MHz 975 MHz
Sapphire HD 4890 Atomic 1000 MHz 1050 MHz
Sapphire HD 4890 New Edition 850 MHz 975 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