• GPU Database
• Radeon R9 280X
• Sapphire Dual-X R9 280X OC Specs

Sapphire Dual-X R9 280X OC

• 11221-00

Graphics Processor

Tahiti

Cores

2048

TMUs

128

ROPs

32

Memory Size

3 GB

Memory Type

GDDR5

Bus Width

384 bit

Graphics Processor

GPU Name

Tahiti

GPU Variant

Tahiti XTL
(215-0821065)

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

4,313 million

Die Size

352 mm²

Graphics Card

Release Date

Oct 8th, 2013

Generation

Volcanic Islands
(R9 200)

Predecessor

Sea Islands

Successor

Pirate Islands

Production

End-of-life

Bus Interface

PCIe 3.0 x16

Clock Speeds

Base Clock

850 MHz
870 MHz (+2%)

Boost Clock

1000 MHz
1020 MHz (+2%)

Memory Clock

1500 MHz
6 Gbps effective

Memory

Memory Size

3 GB

Memory Type

GDDR5

Memory Bus

384 bit

Bandwidth

288.0 GB/s

Render Config

Shading Units

2048

TMUs

128

ROPs

32

Compute Units

32

L1 Cache

16 KB (per CU)

L2 Cache

768 KB

Theoretical Performance

Pixel Rate

32.00 GPixel/s
32.64 GPixel/s

Texture Rate

128.0 GTexel/s
130.6 GTexel/s

FP32 (float) performance

4.096 TFLOPS
4.178 TFLOPS

FP64 (double) performance

1,024 GFLOPS
1,044 GFLOPS (1:4)

Board Design

Slot Width

Dual-slot

Length

275 mm
262 mm
10.8 inches
10.3 inches

TDP

250 W

Suggested PSU

600 W

Outputs

2x DVI
1x HDMI
1x DisplayPort

Power Connectors

1x 6-pin + 1x 8-pin

Board Number

C386

Graphics Features

DirectX

12 (11_1)

OpenGL

4.6

OpenCL

1.2

Vulkan

1.2

Shader Model

5.1

Card Notes

Rebranded HD 7970

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 (38)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
ASUS R9 280X DirectCU II	850 MHz	1000 MHz	1500 MHz	284 mm/11.2 inches
ASUS R9 280X DirectCU II TOP	970 MHz	1070 MHz	1600 MHz	284 mm/11.2 inches
ASUS R9 280X DirectCU II TOP V2	970 MHz	1070 MHz	1500 MHz	284 mm/11.2 inches, Triple-slot, 2x DVI 4x DisplayPort
ASUS R9 280X DirectCU II V2	850 MHz	1000 MHz	1500 MHz	284 mm/11.2 inches, Triple-slot, 2x DVI 4x DisplayPort
ASUS ROG Matrix R9 280X	850 MHz	1000 MHz	1500 MHz	284 mm/11.2 inches, Triple-slot, 2x DVI 4x DisplayPort
ASUS ROG Matrix R9 280X Platinum	950 MHz	1100 MHz	1600 MHz	284 mm/11.2 inches, Triple-slot, 2x DVI 4x DisplayPort
Club 3D R9 280X royalKing	1050 MHz	1100 MHz	1500 MHz	265 mm/10.4 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
Club 3D R9 280X royalQueen	925 MHz	1000 MHz	1500 MHz	265 mm/10.4 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
Digital Alliance R9 280X	850 MHz	1000 MHz	1500 MHz
GIGABYTE R9 280X WindForce 3X OC	1000 MHz	1100 MHz	1500 MHz	284 mm/11.2 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE R9 280X WindForce 3X OC Battlefield 4	1000 MHz	1100 MHz	1500 MHz	285 mm/11.2 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE R9 280X WindForce 3X OC Rev. 2	1000 MHz	1100 MHz	1500 MHz	285 mm/11.2 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE R9 280X WindForce 3X OC Rev. 3	1000 MHz	1100 MHz	1500 MHz	296 mm/11.7 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE R9 280X WindForce 3X Rev. 3	850 MHz	1000 MHz	1500 MHz	296 mm/11.7 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 280X iPower IceQ X2 Boost Clock	850 MHz	1000 MHz	1500 MHz	297 mm/11.7 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 280X iPower IceQ X2 Turbo Boost Clock	1000 MHz	1050 MHz	1500 MHz	297 mm/11.7 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 280X Gaming	850 MHz	1020 MHz	1500 MHz	269 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 280X Gaming 6 GB	850 MHz	1020 MHz	1500 MHz	6 GB, 269 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 280X Gaming Lite Edition	860 MHz	1020 MHz	1500 MHz	269 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 280X Gaming OC	1000 MHz	1050 MHz	1500 MHz	269 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 280X Gaming OC Battlefield 4	1000 MHz	1050 MHz	1500 MHz	269 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
PowerColor R9 280X	850 MHz	1000 MHz	1500 MHz	265 mm/10.4 inches
PowerColor TurboDuo R9 280X OC	880 MHz	1030 MHz	1500 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
PowerColor TurboDuo R9 280X OC Battlefield 4	880 MHz	1030 MHz	1500 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
Sapphire Dual-X R9 280X OC	900 MHz	1050 MHz	1500 MHz	280 mm/11 inches
Sapphire Dual-X R9 280X OC	870 MHz	1020 MHz	1500 MHz	262 mm/10.3 inches
Sapphire Dual-X R9 280X OC Battlefield 4	870 MHz	1020 MHz	1500 MHz	262 mm/10.3 inches
Sapphire Dual-X R9 280X OC Battlefield 4	900 MHz	1050 MHz	1500 MHz	280 mm/11 inches
Sapphire Dual-X R9 280X Platinum Edition	870 MHz	1020 MHz	1500 MHz	262 mm/10.3 inches
Sapphire TOXIC R9 280X OC	1100 MHz	1150 MHz	1600 MHz	301 mm/11.9 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire Tri-X R9 280X OC	1000 MHz	1100 MHz	1600 MHz	307 mm/12.1 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire Tri-X R9 280X OC	870 MHz	1020 MHz	1500 MHz	307 mm/12.1 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire Vapor-X R9 280X OC	950 MHz	1070 MHz	1550 MHz	280 mm/11 inches
Sapphire Vapor-X R9 280X Tri-X OC	1000 MHz	1100 MHz	1500 MHz	308 mm/12.1 inches
VisionTek R9 280X	850 MHz	1000 MHz	1500 MHz
VTX3D R9 280X	850 MHz	1000 MHz	1500 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D R9 280X	850 MHz	1000 MHz	1500 MHz	295 mm/11.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D R9 280X Black Edition	1000 MHz	1080 MHz	1550 MHz	295 mm/11.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort