GIGABYTE R9 390X G1 Gaming

GV-R939XG1-GAMING-8GD

Graphics Processor

Grenada

Cores

2816

TMUs

176

ROPs

Memory Size

8 GB

Memory Type

GDDR5

Bus Width

512 bit

GPU

Top

Bottom

Back

Graphics Processor

GPU Name: Grenada

GPU Variant: Grenada XT
(215-0880004)

Architecture: GCN 2.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 6,200 million

Density: 14.2M / mm²

Die Size: 438 mm²

Graphics Card

Release Date: Jun 18th, 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: ~~1050 MHz~~
1060 MHz (+1%)

Memory Clock: 1500 MHz
6 Gbps effective

Memory

Memory Size: 8 GB

Memory Type: GDDR5

Memory Bus: 512 bit

Bandwidth: 384.0 GB/s

Render Config

Shading Units: 2816

TMUs: 176

ROPs: 64

Compute Units: 44

L1 Cache: 16 KB (per CU)

L2 Cache: 1024 KB

Theoretical Performance

Pixel Rate: ~~67.20 GPixel/s~~
67.84 GPixel/s

Texture Rate: ~~184.8 GTexel/s~~
186.6 GTexel/s

FP32 (float): ~~5.914 TFLOPS~~
5.970 TFLOPS

FP64 (double): ~~739.2 GFLOPS~~
746.2 GFLOPS (1:8)

Board Design

Slot Width: Dual-slot

Length: ~~275 mm~~
243 mm
~~10.8 inches~~
9.6 inches

Width: ~~109 mm~~
114 mm
~~4.3 inches~~
4.5 inches

Height: ~~36 mm~~
42 mm
~~1.4 inches~~
1.7 inches

TDP: 275 W

Suggested PSU: 600 W

Outputs: 2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x DVI
1x HDMI 1.4a
3x DisplayPort 1.2

Power Connectors: 1x 6-pin + 1x 8-pin

Board Number: 109-C67157-00_02,
C679-37

Graphics Features

DirectX: 12 (12_0)

OpenGL: 4.6

OpenCL: 2.1

Vulkan: 1.2.170

Shader Model: 6.5

Grenada GPU Notes

Generation: Volcanic Islands
Desktop Variant: Hawaii / Vesuvius
Graphics/Compute: GFX7 (gfx702)
Display Core Engine: 8.5
Unified Video Decoder: 4.2
Video Compression Engine: 2.0
System DMA: 1.0.0
CLRX: GCN 1.1.0

Latest Drivers:
Windows Vista :
Catalyst Software Suite 13.12

Windows 7:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Windows 8:
Catalyst Software Suite 14.4

Windows 8.1:
32-bit: Radeon Software: Crimson ReLive Edition 16.12.2 / 17.1.2
64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1

Windows 10:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Other retail boards based on this design (17)

Name	GPU Clock	Memory Clock	Other Changes
AMD Radeon R9 390X Engineering Sample	1050 MHz	1500 MHz	252 mm/9.9 inches
ASUS R9 390X DirectCU II	1050 MHz	1500 MHz	287 mm/11.3 inches
ASUS STRIX R9 390X DirectCU III OC	1070 MHz	1500 MHz	300 mm/11.8 inches
Club 3D R9 390X royalQueen	1060 MHz	1500 MHz	305 mm/12 inches
GIGABYTE R9 390X G1 Gaming	1060 MHz	1500 MHz	243 mm/9.6 inches, 1x DVI 1x HDMI 3x DisplayPort
GIGABYTE R9 390X WindForce 2X	1050 MHz	1500 MHz	243 mm/9.6 inches, 1x DVI 1x HDMI 3x DisplayPort
HIS R9 390X IceQ X2	1050 MHz	1500 MHz	297 mm/11.7 inches
HIS R9 390X IceQ X2 II	1060 MHz	1500 MHz	297 mm/11.7 inches
HIS R9 390X IceQ X2 OC	1070 MHz	1500 MHz	297 mm/11.7 inches
MSI R9 390X Gaming	1080 MHz	1525 MHz	277 mm/10.9 inches
PowerColor Devil R9 390X	1100 MHz	1525 MHz	285 mm/11.2 inches
PowerColor PCS+ R9 390X	1060 MHz	1500 MHz	305 mm/12 inches
Sapphire Nitro R9 390X w/ Back Plate	1060 MHz	1500 MHz	307 mm/12.1 inches, 1x DVI 1x HDMI 3x DisplayPort
Sapphire Tri-X R9 390X	1055 MHz	1500 MHz	308 mm/12.1 inches, 1x DVI 1x HDMI 3x DisplayPort
Sapphire Tri-X R9 390X w/ Back Plate	1080 MHz	1500 MHz	307 mm/12.1 inches, 1x DVI 1x HDMI 3x DisplayPort
XFX R9 390X Double Dissipation	1050 MHz	1500 MHz	295 mm/11.6 inches
XFX R9 390X Double Dissipation Black	1090 MHz	1500 MHz	295 mm/11.6 inches