AMD Radeon R9 390X
Grenada
Graphics Processor
2816
Cores
176
TMUs
64
ROPs
8192 MB
Memory Size
GDDR5
Memory Type
512 bit
Bus Width
Recommended Resolutions:
- 640x480
- 1280x720
- 1366x768
- 1600x900
- 1920x1080
- 2560x1440
- 3840x2160
The Radeon R9 390X is a high-end graphics card by AMD, launched in June 2015. Built on the 28 nm process, and based on the Grenada graphics processor, in its Grenada XT variant, the card supports DirectX 12.0. The Grenada graphics processor is a large chip with a die area of 438 mm² and 6,200 million transistors. It features 2816 shading units, 176 texture mapping units and 64 ROPs. AMD has placed 8,192 MB GDDR5 memory on the card, which are connected using a 512-bit memory interface. The GPU is operating at a frequency of 1050 MHz, memory is running at 1500 MHz.
Being a dual-slot card, the AMD Radeon R9 390X draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 275 W maximum. Display outputs include: 2x DVI, 1x HDMI, 1x DisplayPort. Radeon R9 390X is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 275 mm in length, and features a dual-slot cooling solution. Its price at launch was 429 US Dollars.
Being a dual-slot card, the AMD Radeon R9 390X draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 275 W maximum. Display outputs include: 2x DVI, 1x HDMI, 1x DisplayPort. Radeon R9 390X is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 275 mm in length, and features a dual-slot cooling solution. Its price at launch was 429 US Dollars.
Graphics Processor
- GPU Name
- Grenada
- GPU Variant
-
Grenada XT
(215-0880004)
- Architecture
- GCN 2.0
- Process Size
- 28 nm
- Transistors
- 6,200 million
- Die Size
- 438 mm²
Graphics Card
- Release Date
- Jun 18th, 2015
- Generation
- Pirate Islands R9 300
- Production
- Active
- Launch Price
- 429 USD
- Bus Interface
- PCIe 3.0 x16
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080
Clock Speeds
- GPU Clock
- 1050 MHz
- Memory Clock
-
1500 MHz
6000 MHz effective
Memory
- Memory Size
- 8192 MB
- Memory Type
- GDDR5
- Memory Bus
- 512 bit
- Bandwidth
- 384.0 GB/s
Render Config
- Shading Units
- 2816
- TMUs
- 176
- ROPs
- 64
- Compute Units
- 44
Theoretical Performance
- Pixel Rate
- 67.20 GPixel/s
- Texture Rate
- 184.8 GTexel/s
- FP32 (float) performance
- 5,914 GFLOPS
- FP64 (double) performance
- 739.2 GFLOPS (1:8)
Board Design
- Slot Width
- Dual-slot
- Length
- 10.83 inches
275 mm
- TDP
- 275 W
- Outputs
- 2x DVI
1x HDMI
1x DisplayPort
- Power Connectors
- 1x 6-pin + 1x 8-pin
- Board Number
- C671,
C679
Graphics Features
- DirectX
- 12.0 (12_0)
- OpenGL
- 4.5
- OpenCL
- 2.0
- Vulkan
- 1.1.82
- Shader Model
- 6.0
Grenada GPU Notes
| Chip Variant: Hawaii Graphics/Compute: GFX7 (gfx702) Display Core Engine: 8.5 Unified Video Decoder: 4.2 Video Compression Engine: 2.0 ROCm Support |
Retail boards based on this design (16)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| ASUS R9 390X DirectCU II | 1050 MHz | 1500 MHz | 11.3 inches/287 mm |
| ASUS STRIX R9 390X DirectCU III OC | 1070 MHz | 1500 MHz | 11.8 inches/300 mm |
| Club 3D R9 390X royalQueen | 1060 MHz | 1500 MHz | 12 inches/305 mm |
| GIGABYTE R9 390X G1 Gaming | 1060 MHz | 1500 MHz | 9.57 inches/243 mm, 1x DVI 1x HDMI 3x DisplayPort |
| GIGABYTE R9 390X WindForce 2X | 1050 MHz | 1500 MHz | 9.57 inches/243 mm, 1x DVI 1x HDMI 3x DisplayPort |
| HIS R9 390X IceQ X2 | 1050 MHz | 1500 MHz | 11.7 inches/297 mm |
| HIS R9 390X IceQ X2 II | 1060 MHz | 1500 MHz | 11.7 inches/297 mm |
| HIS R9 390X IceQ X2 OC | 1070 MHz | 1500 MHz | 11.7 inches/297 mm |
| MSI R9 390X Gaming | 1080 MHz | 1525 MHz | 10.9 inches/277 mm |
| PowerColor Devil R9 390X | 1100 MHz | 1525 MHz | 11.22 inches/285 mm |
| PowerColor PCS+ R9 390X | 1060 MHz | 1500 MHz | 12 inches/305 mm |
| Sapphire Nitro R9 390X w/ Back Plate | 1060 MHz | 1500 MHz | 12.1 inches/307 mm, 1x DVI 1x HDMI 3x DisplayPort |
| Sapphire Tri-X R9 390X | 1055 MHz | 1500 MHz | 12.13 inches/308 mm, 1x DVI 1x HDMI 3x DisplayPort |
| Sapphire Tri-X R9 390X w/ Back Plate | 1080 MHz | 1500 MHz | 12.1 inches/307 mm, 1x DVI 1x HDMI 3x DisplayPort |
| XFX R9 390X Double Dissipation | 1050 MHz | 1500 MHz | 11.61 inches/295 mm |
| XFX R9 390X Double Dissipation Black | 1090 MHz | 1500 MHz | 11.61 inches/295 mm |