HIS R9 380X IceQ X2 OC

H380XQM4CR

Graphics Processor

Antigua

Cores

2048

TMUs

128

ROPs

Memory Size

4 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

Graphics Processor

GPU Name: Antigua

GPU Variant: Antigua XT
(215-0877016)

Architecture: GCN 3.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 5,000 million

Density: 13.7M / mm²

Die Size: 366 mm²

Graphics Card

Release Date: Nov 19th, 2015

Generation: Pirate Islands
(R9 300)

Predecessor: Volcanic Islands

Successor: Arctic Islands

Production: End-of-life

Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: ~~970 MHz~~
990 MHz (+2%)

Memory Clock: 1425 MHz
5.7 Gbps effective

Memory

Memory Size: 4 GB

Memory Type: GDDR5

Memory Bus: 256 bit

Bandwidth: 182.4 GB/s

Render Config

Shading Units: 2048

TMUs: 128

ROPs: 32

Compute Units: 32

L1 Cache: 16 KB (per CU)

L2 Cache: 512 KB

Theoretical Performance

Pixel Rate: ~~31.04 GPixel/s~~
31.68 GPixel/s

Texture Rate: ~~124.2 GTexel/s~~
126.7 GTexel/s

FP16 (half): ~~3.973 TFLOPS~~
4.055 TFLOPS (1:1)

FP32 (float): ~~3.973 TFLOPS~~
4.055 TFLOPS

FP64 (double): ~~248.3 GFLOPS~~
253.4 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: ~~221 mm~~
278 mm
~~8.7 inches~~
10.9 inches

TDP: 190 W

Suggested PSU: 450 W

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

Power Connectors: 2x 6-pin

Board Number: C766,
C784

Graphics Features

DirectX: 12 (12_0)

OpenGL: 4.6

OpenCL: 2.1

Vulkan: 1.2.170

Shader Model: 6.5

Antigua GPU Notes

Generation: Volcanic Islands
Desktop Variant: Tonga
Mobile Variant: Amethyst
Graphics/Compute: GFX8 (gfx802)
Display Core Engine: 10.0
Unified Video Decoder: 5.0
Video Compression Engine: 3.0
System DMA: 3.0.0
CLRX: GCN 1.2.0

Other retail boards based on this design (13)

Name	GPU Clock	Memory Clock	Other Changes
ASUS STRIX R9 380X DirectCU II	970 MHz	1425 MHz	270 mm/10.6 inches
ASUS STRIX R9 380X DirectCU II OC	1030 MHz	1425 MHz	270 mm/10.6 inches
GIGABYTE R9 380X G1 Gaming	980 MHz	1425 MHz
GIGABYTE R9 380X WindForce 2X	970 MHz	1425 MHz
HIS R9 380X IceQ X2 OC	990 MHz	1425 MHz	278 mm/10.9 inches
HIS R9 380X IceQ X2 Turbo	1020 MHz	1425 MHz	278 mm/10.9 inches
PowerColor PCS+ R9 380X MYST Edition	1020 MHz	1475 MHz	267 mm/10.5 inches
PowerColor PCS+ R9 380X MYST. Edition V2	1002 MHz	1425 MHz	267 mm/10.5 inches
Sapphire Nitro R9 380X	1040 MHz	1500 MHz	237 mm/9.3 inches
XFX R9 380X Double Dissipation	990 MHz	1425 MHz	234 mm/9.2 inches
XFX R9 380X Double Dissipation Black	1010 MHz	1425 MHz	234 mm/9.2 inches
XFX R9 380X Double Dissipation Black	1030 MHz	1450 MHz	234 mm/9.2 inches
XFX R9 380X Double Dissipation XXX	1040 MHz	1450 MHz	234 mm/9.2 inches