AMD Radeon HD 7970
Tahiti
Graphics Processor
2048
Cores
128
TMUs
32
ROPs
3072 MB
Memory Size
GDDR5
Memory Type
384 bit
Bus Width
Recommended Resolutions:
- 640x480
- 1280x720
- 1366x768
- 1600x900
- 1920x1080
- 2560x1440
- 3840x2160
The Radeon HD 7970 was a high-end graphics card by AMD, launched in December 2011. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti XT variant, the card supports DirectX 12.0. The Tahiti graphics processor is a large chip with a die area of 352 mm² and 4,313 million transistors. It features 2048 shading units, 128 texture mapping units and 32 ROPs. AMD has placed 3,072 MB GDDR5 memory on the card, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 925 MHz, memory is running at 1375 MHz.
Being a dual-slot card, the AMD Radeon HD 7970 draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 250 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 7970 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 274 mm in length, and features a dual-slot cooling solution. Its price at launch was 549 US Dollars.
Being a dual-slot card, the AMD Radeon HD 7970 draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 250 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 7970 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 274 mm in length, and features a dual-slot cooling solution. Its price at launch was 549 US Dollars.
Graphics Processor
- GPU Name
- Tahiti
- GPU Variant
-
Tahiti XT
(215-0821060)
- Architecture
- GCN 1.0
- Process Size
- 28 nm
- Transistors
- 4,313 million
- Die Size
- 352 mm²
Graphics Card
- Release Date
- Dec 22nd, 2011
- Generation
- Southern Islands HD 7900
- Production
- End-of-life
- Launch Price
- 549 USD
- Bus Interface
- PCIe 3.0 x16
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080
Clock Speeds
- GPU Clock
- 925 MHz
- Memory Clock
-
1375 MHz
5500 MHz effective
Memory
- Memory Size
- 3072 MB
- Memory Type
- GDDR5
- Memory Bus
- 384 bit
- Bandwidth
- 264.0 GB/s
Render Config
- Shading Units
- 2048
- TMUs
- 128
- ROPs
- 32
- Compute Units
- 32
Theoretical Performance
- Pixel Rate
- 29.60 GPixel/s
- Texture Rate
- 118.4 GTexel/s
- FP32 (float) performance
- 3,789 GFLOPS
- FP64 (double) performance
- 947.2 GFLOPS (1:4)
Board Design
- Slot Width
- Dual-slot
- Length
- 10.8 inches
274 mm
- TDP
- 250 W
- Outputs
- 1x DVI
1x HDMI
2x mini-DisplayPort
- Power Connectors
- 1x 6-pin + 1x 8-pin
- Board Number
- C380
Graphics Features
- DirectX
- 12.0 (11_1)
- OpenGL
- 4.5
- OpenCL
- 1.2
- Vulkan
- 1.1.77
- Shader Model
- 5.1
Card Notes
| Retail availability - January 9, 2012 128 Z/Stencil ROP Units |
Tahiti GPU Notes
| Graphics/Compute: GFX6 (gfx600) Display Core Engine: 6.0 Unified Video Decoder: 3.2 Video Compression Engine: 1.0 Exact Transistor Count: 4,312,711,873 |
Retail boards based on this design (47)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| AFOX HD 7970 | 925 MHz | 1375 MHz | |
| ASUS HD 7970 | 925 MHz | 1375 MHz | |
| ASUS HD 7970 DirectCU II | 925 MHz | 1375 MHz | 11 inches/279 mm, Triple-slot, 2x DVI 4x DisplayPort |
| ASUS HD 7970 DirectCU II TOP | 1000 MHz | 1400 MHz | 11 inches/279 mm, Triple-slot, 2x DVI 4x DisplayPort |
| Club 3D HD 7970 | 925 MHz | 1375 MHz | |
| Club 3D HD 7970 '13Series | 925 MHz | 1375 MHz | |
| Club 3D HD 7970 royalKing | 975 MHz | 1375 MHz | 10.55 inches/268 mm, 2x DVI 1x HDMI 2x mini-DisplayPort |
| Club 3D HD 7970 royalQueen | 925 MHz | 1375 MHz | 10.55 inches/268 mm, 2x DVI 1x HDMI 2x mini-DisplayPort |
| Diamond HD 7970 | 925 MHz | 1375 MHz | |
| Diamond HD 7970 Double Diamond Edition | 1025 MHz | 1450 MHz | |
| Digital Alliance HD 7970 | 925 MHz | 1375 MHz | |
| GIGABYTE HD 7970 | 925 MHz | 1375 MHz | |
| GIGABYTE HD 7970 SOC | 1080 MHz | 1375 MHz | 11.93 inches/303 mm |
| GIGABYTE HD 7970 WindForce 3X OC | 1000 MHz | 1375 MHz | 11.22 inches/285 mm |
| HIS HD 7970 | 925 MHz | 1375 MHz | |
| HIS HD 7970 IceQ X² | 925 MHz | 1375 MHz | 12.24 inches/311 mm |
| HIS HD 7970 IceQ X² Turbo | 1050 MHz | 1400 MHz | 12.24 inches/311 mm |
| HIS HD 7970 IceQ X² Turbo X | 1120 MHz | 1400 MHz | 12.24 inches/311 mm |
| MSI HD 7970 | 925 MHz | 1375 MHz | |
| MSI HD 7970 Lightning | 1070 MHz | 1400 MHz | 12 inches/305 mm, 2x DVI 4x mini-DisplayPort |
| MSI HD 7970 OC | 1010 MHz | 1375 MHz | 10.827 inches/275 mm |
| MSI HD 7970 Power Edition | 925 MHz | 1375 MHz | 12 inches/305 mm, 2x DVI 4x mini-DisplayPort |
| MSI HD 7970 TwinFrozr III BE | 925 MHz | 1375 MHz | 10.276 inches/261 mm |
| MSI HD 7970 TwinFrozr III BE OC | 1000 MHz | 1375 MHz | 10.276 inches/261 mm |
| PowerColor HD 7970 | 925 MHz | 1375 MHz | |
| PowerColor HD 7970 V2 | 925 MHz | 1375 MHz | 11.22 inches/285 mm |
| PowerColor HD 7970 V3 | 925 MHz | 1375 MHz | 10.43 inches/265 mm, 2x DVI 1x HDMI 2x mini-DisplayPort |
| PowerColor LCS HD 7970 | 1050 MHz | 1425 MHz | 11.22 inches/285 mm, Single-slot |
| PowerColor PCS+ HD 7970 Vortex II | 1100 MHz | 1425 MHz | 11.22 inches/285 mm, 2x DVI 1x HDMI 2x mini-DisplayPort |
| Sapphire HD 7970 | 925 MHz | 1375 MHz | |
| Sapphire HD 7970 Black Diamond 6 GB | 925 MHz | 1375 MHz | 6144 MB, 10.83 inches/275 mm |
| Sapphire HD 7970 Black Diamond OC 6 GB | 1000 MHz | 1450 MHz | 6144 MB, 10.83 inches/275 mm |
| Sapphire HD 7970 Dual-X | 925 MHz | 1375 MHz | 11.02 inches/280 mm |
| Sapphire HD 7970 Dual-X | 925 MHz | 1375 MHz | 11.02 inches/280 mm, 2x DVI 1x HDMI 1x DisplayPort |
| Sapphire HD 7970 OC | 950 MHz | 1425 MHz | 11.02 inches/280 mm |
| Sapphire HD 7970 OC Boost | 950 MHz | 1450 MHz | 11.02 inches/280 mm, 2x DVI 1x HDMI 1x DisplayPort |
| Triplex Parasouls HD 7970 | 925 MHz | 1375 MHz | |
| VisionTek HD 7970 | 925 MHz | 1375 MHz | |
| VTX3D HD 7970 | 925 MHz | 1375 MHz | |
| VTX3D HD 7970 X-Edition | 1050 MHz | 1425 MHz | |
| XFX Double D HD 7970 | 925 MHz | 1375 MHz | |
| XFX Double D HD 7970 | 925 MHz | 1375 MHz | 9.3 inches/236 mm, 2x DVI 1x HDMI 2x mini-DisplayPort |
| XFX Double D HD 7970 Black Edition | 1000 MHz | 1425 MHz | 10.827 inches/275 mm, 2x DVI 1x HDMI 2x mini-DisplayPort |
| XFX HD 7970 | 925 MHz | 1375 MHz | |
| XFX HD 7970 Black Edition | 1000 MHz | 1425 MHz | |
| Yeston HD 7970 | 925 MHz | 1375 MHz | 2x DVI 1x HDMI 2x DisplayPort |
| Zalman HD 7970 | 925 MHz | 1375 MHz |