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AMD Radeon HD 6970 X2
- Graphics Processor
- Antilles x2
- Cores
- 1536 x2
- TMUs
- 96 x2
- ROPs
- 32 x2
- Memory Size
- 2 GB x2
- Memory Type
- GDDR5
- Bus Width
- 256 bit x2
GPU
PCB Front
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 6970 X2 was a graphics card by AMD, that was never released. Built on the 40 nm process, and based on the Antilles graphics processor, in its Antilles XT variant, the card supports DirectX 11.2. The Antilles graphics processor is a large chip with a die area of 389 mm² and 2,640 million transistors. Radeon HD 6970 X2 combines two graphics processors to increase performance. It features 1536 shading units, 96 texture mapping units, and 32 ROPs, per GPU. AMD has paired 4 GB GDDR5 memory with the Radeon HD 6970 X2, which are connected using a 256-bit memory interface per GPU (each GPU manages 2,048 MB). The GPU is operating at a frequency of 880 MHz, memory is running at 1375 MHz (5.5 Gbps effective).
Being a dual-slot card, the AMD Radeon HD 6970 X2 draws power from 3x 8-pin power connectors, with power draw rated at 375 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2. Radeon HD 6970 X2 is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Being a dual-slot card, the AMD Radeon HD 6970 X2 draws power from 3x 8-pin power connectors, with power draw rated at 375 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2. Radeon HD 6970 X2 is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Graphics Processor
- GPU Name
- Antilles
- GPU Variant
-
Antilles XT
(215-0807027)
- Architecture
- TeraScale 3
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 2,640 million
- Density
- 6.8M / mm²
- Die Size
- 389 mm²
Graphics Card
- Release Date
- Never Released
- Generation
-
Northern Islands
(HD 6900)
- Predecessor
- Evergreen
- Successor
- Southern Islands
- Production
- End-of-life
- Bus Interface
- PCIe 2.0 x16
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.
Clock Speeds
- GPU Clock
- 880 MHz
- Memory Clock
-
1375 MHz
5.5 Gbps effective
Memory
- Memory Size
- 2 GB
- Memory Type
- GDDR5
- Memory Bus
- 256 bit
- Bandwidth
- 176.0 GB/s
Render Config
- Shading Units
- 1536
- TMUs
- 96
- ROPs
- 32
- Compute Units
- 24
- L1 Cache
- 8 KB (per CU)
- L2 Cache
- 512 KB
Theoretical Performance
- Pixel Rate
- 28.16 GPixel/s
- Texture Rate
- 84.48 GTexel/s
- FP32 (float)
- 2.703 TFLOPS
Board Design
- Slot Width
- Dual-slot
- TDP
- 375 W
- Suggested PSU
- 750 W
- Outputs
- 2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
- Power Connectors
- 3x 8-pin
Graphics Features
- DirectX
- 11.2 (11_0)
- OpenGL
- 4.4
- OpenCL
- 1.2
- Vulkan
- N/A
- Shader Model
- 5.0
Antilles GPU Notes
| Generation: Northern Islands Desktop Variant: Cayman Graphics/Compute: GFX5 Display Core Engine: 5.0 Unified Video Decoder: 3.1 |
Retail boards based on this design (1)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 880 MHz | 1375 MHz |
Apr 26th, 2024 12:40 EDT
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