ASUS R9 270 DirectCU II OC

R9270-DC2OC-2GD5

Graphics Processor

Curacao

Cores

1280

TMUs

ROPs

Memory Size

2 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

PCB Front

PCB Back

Graphics Processor

GPU Name: Curacao

GPU Variant: Curacao PRO
(215-0848000)

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: Nov 13th, 2013

Generation: Volcanic Islands
(R9 200)

Predecessor: Sea Islands

Successor: Pirate Islands

Production: End-of-life

Bus Interface: PCIe 3.0 x16

TechPowerUp Review

Clock Speeds

Base Clock: ~~900 MHz~~
950 MHz (+6%)

Boost Clock: ~~925 MHz~~
975 MHz (+5%)

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: ~~29.60 GPixel/s~~
31.20 GPixel/s

Texture Rate: ~~74.00 GTexel/s~~
78.00 GTexel/s

FP32 (float): ~~2.368 TFLOPS~~
2.496 TFLOPS

FP64 (double): ~~148.0 GFLOPS~~
156.0 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: ~~210 mm~~
234 mm
~~8.3 inches~~
9.2 inches

TDP: 150 W

Suggested PSU: 450 W

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

Power Connectors: 1x 6-pin

Board Number: 109-C63057-01_02,
C631,
C632

Graphics Features

DirectX: 12 (11_1)

OpenGL: 4.6

OpenCL: 2.1 (1.2)

Vulkan: 1.2.170

Shader Model: 6.5 (5.1)

Card Notes

Direct Rebrand of HD 8860

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 (25)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
ASUS R9 270 DirectCU II	900 MHz	925 MHz	1400 MHz	234 mm/9.2 inches
ASUS R9 270 DirectCU II OC	950 MHz	975 MHz	1400 MHz	234 mm/9.2 inches
Club 3D R9 270 '14Series	930 MHz	955 MHz	1400 MHz	211 mm/8.3 inches
Club 3D R9 270 royalQueen	930 MHz	955 MHz	1400 MHz	211 mm/8.3 inches, 1x DVI 1x HDMI 1x DisplayPort
ColorFire R7 270	900 MHz	925 MHz	1400 MHz
ColorFire R7 270 Top	950 MHz	975 MHz	1400 MHz	292 mm/11.5 inches
ColorFire R7 270 Twin	925 MHz	975 MHz	1400 MHz
Digital Alliance R7 270 OC	930 MHz	955 MHz	1400 MHz	198 mm/7.8 inches
GIGABYTE R9 270 WindForce 2X OC	950 MHz	975 MHz	1400 MHz	254 mm/10 inches
GIGABYTE R9 270 WindForce 2X OC Battlefield 4	950 MHz	975 MHz	1400 MHz	254 mm/10 inches
HIS R9 270 iPower IceQ X2	900 MHz	925 MHz	1400 MHz	224 mm/8.8 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS R9 270 iPower IceQ X2 Turbo	950 MHz	975 MHz	1400 MHz	224 mm/8.8 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI R9 270 Gaming LE	900 MHz	935 MHz	1400 MHz	256 mm/10.1 inches
MSI R9 270 Gaming OC	900 MHz	955 MHz	1400 MHz	256 mm/10.1 inches
MSI R9 270 Gaming OC Battlefield 4	900 MHz	955 MHz	1400 MHz	256 mm/10.1 inches
PowerColor R9 270 OC	930 MHz	955 MHz	1400 MHz
PowerColor TurboDuo R9 270 OC	930 MHz	955 MHz	1400 MHz	198 mm/7.8 inches
Sapphire Dual-X R9 270 OC Battlefield 4	920 MHz	945 MHz	1400 MHz	229 mm/9 inches
Sapphire Dual-X R9 270 Platinum Edition	920 MHz	945 MHz	1400 MHz	229 mm/9 inches
Sapphire Vapor-X R9 270 OC with Boost	1000 MHz	1070 MHz	1450 MHz	264 mm/10.4 inches
VTX3D R9 270 X-Edition	930 MHz	955 MHz	1400 MHz	1x DVI 1x HDMI 1x DisplayPort
VTX3D R9 270 X-Edition V2	930 MHz	955 MHz	1400 MHz	1x DVI 1x HDMI 1x DisplayPort
XFX Double D R9 270	900 MHz	925 MHz	1400 MHz	221 mm/8.7 inches
XFX R9 270	900 MHz	925 MHz	1400 MHz	221 mm/8.7 inches
XFX R9 270 Monster	900 MHz	925 MHz	1400 MHz