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Sapphire Dual-X R9 280 OC with Boost

11230-00
Graphics Processor
Tahiti
Cores
1792
TMUs
112
ROPs
32
Memory Size
3 GB
Memory Type
GDDR5
Bus Width
384 bit
Front GPU Chip

Graphics Processor

GPU Name
Tahiti
GPU Variant
Tahiti PRO3
(215-0821330)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Die Size
352 mm²

Graphics Card

Release Date
Mar 4th, 2014
Generation
Volcanic Islands
(R9 200)
Production
End-of-life
Bus Interface
PCIe 3.0 x16

Clock Speeds

Base Clock
827 MHz
850 MHz (+3%)
Boost Clock
933 MHz
940 MHz (+1%)
Memory Clock
1250 MHz
5000 MHz effective

Memory

Memory Size
3 GB
Memory Type
GDDR5
Memory Bus
384 bit
Bandwidth
240.0 GB/s

Render Config

Shading Units
1792
TMUs
112
ROPs
32
Compute Units
28
L1 Cache
16 KB (per CU)
L2 Cache
768 KB

Theoretical Performance

Pixel Rate
29.86 GPixel/s
30.08 GPixel/s
Texture Rate
104.5 GTexel/s
105.3 GTexel/s
FP32 (float) performance
3.344 TFLOPS
3.369 TFLOPS
FP64 (double) performance
836.0 GFLOPS
842.2 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
10.83 inches
10.32 inches
275 mm
262 mm
TDP
200 W
Suggested PSU
350 W
Outputs
2x DVI
1x HDMI
2x mini-DisplayPort
2x DVI
1x HDMI
1x DisplayPort
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Board Number
C386

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
Shader Model
5.1

Card Notes

Rebranded HD 7950

Tahiti GPU Notes

Architecture Codename: Southern Islands
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0

Exact Transistor Count: 4,312,711,873

Other retail boards based on this design (13)

Name GPU Clock Boost Clock Memory Clock Other Changes
ASUS R9 280 DirectCU II 827 MHz 933 MHz 1250 MHz 11.2 inches/284 mm, 2x DVI 1x HDMI 1x DisplayPort
ASUS R9 280 DirectCU II TOP 874 MHz 980 MHz 1300 MHz 11.2 inches/284 mm, 2x DVI 1x HDMI 1x DisplayPort
ASUS STRIX R9 280 OC 874 MHz 980 MHz 1300 MHz 11.2 inches/284 mm, 2x DVI 1x HDMI 1x DisplayPort
Club 3D R9 280 royalKing 855 MHz 960 MHz 1250 MHz 10.55 inches/268 mm
GIGABYTE R9 280 WindForce 3X OC 950 MHz 1072 MHz 1250 MHz 11.22 inches/285 mm
HIS R9 280 IceQ OC 827 MHz 933 MHz 1250 MHz 11.06 inches/281 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 280 IceQ X2 OC 847 MHz 953 MHz 1250 MHz 11.7 inches/297 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 280 Gaming 933 MHz 972 MHz 1250 MHz 10.6 inches/269 mm
PowerColor TurboDuo R9 280 OC 855 MHz 960 MHz 1250 MHz 10.5 inches/267 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
Sapphire Dual-X R9 280 OC with Boost 850 MHz 940 MHz 1250 MHz 10.32 inches/262 mm, 2x DVI 1x HDMI 1x DisplayPort
VTX3D R9 280 X-Edition 855 MHz 960 MHz 1250 MHz 1x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D R9 280 827 MHz 933 MHz 1250 MHz 11.61 inches/295 mm
XFX Double D R9 280 Black Edition 933 MHz 1000 MHz 1300 MHz 11.61 inches/295 mm