Sapphire Dual-X R9 270X OC

11217-01

Graphics Processor

Curacao

Cores

1280

TMUs

ROPs

Memory Size

2 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

Graphics Processor

GPU Name: Curacao

GPU Variant: Curacao XT
(215-0848004)

Architecture: GCN 1.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 2,800 million

Density: 13.2M / mm²

Die Size: 212 mm²

Chip Package: FCBGA-1737

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: ~~1000 MHz~~
1020 MHz (+2%)

Boost Clock: ~~1050 MHz~~
1070 MHz (+2%)

Memory Clock: 1400 MHz
5.6 Gbps effective

Memory

Memory Size: 2 GB

Memory Type: GDDR5

Memory Bus: 256 bit

Bandwidth: 179.2 GB/s

Render Config

Shading Units: 1280

TMUs: 80

ROPs: 32

Compute Units: 20

L1 Cache: 16 KB (per CU)

L2 Cache: 512 KB

Theoretical Performance

Pixel Rate: ~~33.60 GPixel/s~~
34.24 GPixel/s

Texture Rate: ~~84.00 GTexel/s~~
85.60 GTexel/s

FP32 (float): ~~2.688 TFLOPS~~
2.739 TFLOPS

FP64 (double): ~~168.0 GFLOPS~~
171.2 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: ~~241 mm~~
262 mm
~~9.5 inches~~
10.3 inches

TDP: 180 W

Suggested PSU: 450 W

Outputs: 2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

Power Connectors: 2x 6-pin

Board Number: C631,
109-C63257-00A_02,
109-C63257-12_02

Graphics Features

DirectX: 12 (11_1)

OpenGL: 4.6

OpenCL: 2.1 (1.2)

Vulkan: 1.2.170

Shader Model: 6.5 (5.1)

Curacao GPU Notes

Generation: Southern Islands
Desktop Variant: Pitcairn / Trinidad
Mobile Variant: Wimbledon / Neptune
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0

Other retail boards based on this design (45)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
AMD Radeon R9 270X	1000 MHz	1050 MHz	1400 MHz
ASUS R9 270X DirectCU II	1000 MHz	1050 MHz	1400 MHz	272 mm/10.7 inches
ASUS R9 270X DirectCU II TOP	1070 MHz	1120 MHz	1400 MHz	272 mm/10.7 inches
ASUS R9 270X DirectCU II TOP 4 GB	1070 MHz	1120 MHz	1400 MHz	4 GB, 272 mm/10.7 inches
Club 3D R9 270X '14Series	1030 MHz	1080 MHz	1400 MHz	211 mm/8.3 inches
Club 3D R9 270X royalQueen	1030 MHz	1080 MHz	1400 MHz	211 mm/8.3 inches
Club 3D R9 270X royalQueen	1030 MHz	1080 MHz	1400 MHz	211 mm/8.3 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D R9 270X royalQueen 4 GB	1030 MHz	1080 MHz	1400 MHz	4 GB, 211 mm/8.3 inches
ColorFire R9 270X Top	1100 MHz	1155 MHz	1500 MHz	292 mm/11.5 inches
Digital Alliance R9 270X	1030 MHz	1080 MHz	1400 MHz	213 mm/8.4 inches
GIGABYTE R9 270X WindForce 3X OC	1050 MHz	1100 MHz	1400 MHz	297 mm/11.7 inches
GIGABYTE R9 270X WindForce 3X OC 4 GB	1050 MHz	1100 MHz	1400 MHz	4 GB, 297 mm/11.7 inches
GIGABYTE R9 270X WindForce 3X OC Battlefield 4	1050 MHz	1100 MHz	1400 MHz	297 mm/11.7 inches
GIGABYTE R9 270X WindForce 3X OC Rev. 2	1050 MHz	1100 MHz	1400 MHz	290 mm/11.4 inches
HIS R9 270X IceQ Boost Clock	1000 MHz	1050 MHz	1400 MHz	297 mm/11.7 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270X IceQ X2 Boost Clock	1000 MHz	1050 MHz	1400 MHz	270 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270X IceQ X2 Turbo Boost Clock	1100 MHz	1140 MHz	1400 MHz	270 mm/10.6 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270X Mini IceQ X2 Boost Clock	1000 MHz	1050 MHz	1400 MHz	210 mm/8.3 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270X Mini IceQ X2 Boost Clock 4 GB	1000 MHz	1050 MHz	1400 MHz	4 GB, 210 mm/8.3 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 270X Gaming ITX	1030 MHz	1080 MHz	1400 MHz	170 mm/6.7 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 270X Gaming LE	1010 MHz	1070 MHz	1400 MHz	260 mm/10.2 inches
MSI R9 270X Gaming LE 4 GB	1010 MHz	1070 MHz	1400 MHz	4 GB, 260 mm/10.2 inches
MSI R9 270X Gaming OC	1030 MHz	1080 MHz	1400 MHz	260 mm/10.2 inches
MSI R9 270X Gaming OC 4 GB	1030 MHz	1080 MHz	1400 MHz	4 GB, 260 mm/10.2 inches
MSI R9 270X Gaming OC Battlefield 4	1030 MHz	1120 MHz	1400 MHz	260 mm/10.2 inches
MSI R9 270X Hawk	1100 MHz	1150 MHz	1400 MHz	263 mm/10.4 inches
MSI R9 270X Hawk LE	1020 MHz	1070 MHz	1400 MHz	263 mm/10.4 inches
PowerColor Devil R9 270X	1150 MHz	1180 MHz	1400 MHz	2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor PCS+ R9 270X	1060 MHz	1100 MHz	1425 MHz	240 mm/9.4 inches
PowerColor R9 270X OC	1030 MHz	1080 MHz	1400 MHz	225 mm/8.9 inches
Sapphire Dual-X R9 270X OC	1020 MHz	1070 MHz	1400 MHz	262 mm/10.3 inches
Sapphire Dual-X R9 270X OC 4 GB	1020 MHz	1070 MHz	1400 MHz	4 GB, 228 mm/9 inches
Sapphire Dual-X R9 270X OC Battlefield 4	1020 MHz	1070 MHz	1400 MHz	262 mm/10.3 inches
Sapphire Dual-X R9 270X Platinum Edition	1020 MHz	1070 MHz	1400 MHz	4 GB, 228 mm/9 inches
Sapphire TOXIC R9 270X OC	1100 MHz	1150 MHz	1500 MHz	308 mm/12.1 inches
Sapphire Vapor-X R9 270X OC	1050 MHz	1100 MHz	1450 MHz
VisionTek R9 270X OC	1030 MHz	1080 MHz	1400 MHz
VTX3D R9 270X X-Edition	1030 MHz	1080 MHz	1400 MHz	213 mm/8.4 inches
VTX3D R9 270X X-Edition V2	1030 MHz	1080 MHz	1400 MHz	211 mm/8.3 inches
XFX Double D R9 270X	1000 MHz	1050 MHz	1400 MHz	221 mm/8.7 inches
XFX Double D R9 270X	1000 MHz	1050 MHz	1400 MHz	251 mm/9.9 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D R9 270X 4 GB	1000 MHz	1050 MHz	1400 MHz	4 GB, 221 mm/8.7 inches
XFX Double D R9 270X 4 GB	1000 MHz	1050 MHz	1400 MHz	4 GB, 221 mm/8.7 inches
XFX Double D R9 270X Black Edition	1050 MHz	1100 MHz	1400 MHz	251 mm/9.9 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX R9 270X BestBuy Exclusive	1000 MHz	1050 MHz	1400 MHz	2x DVI 1x HDMI 2x mini-DisplayPort