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AMD Radeon HD 6970M X2
- Graphics Processor
- Blackcomb x2
- Cores
- 960 x2
- TMUs
- 48 x2
- ROPs
- 32 x2
- Memory Size
- 2 GB x2
- Memory Type
- GDDR5
- Bus Width
- 256 bit x2
GPU
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 6970M X2 was a mobile graphics chip by AMD, launched on January 4th, 2011. Built on the 40 nm process, and based on the Blackcomb graphics processor, in its Blackcomb XT variant, the chip supports DirectX 11.2. The Blackcomb graphics processor is an average sized chip with a die area of 212 mm² and 1,700 million transistors. Unlike the fully unlocked Radeon HD 6990M, which uses the same GPU but has all 1120 shaders enabled, AMD has disabled some shading units on the Radeon HD 6970M X2 to reach the product's target shader count. Radeon HD 6970M X2 combines two graphics processors to increase performance. It features 960 shading units, 48 texture mapping units, and 32 ROPs, per GPU. AMD has paired 4 GB GDDR5 memory with the Radeon HD 6970M 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 680 MHz, memory is running at 900 MHz (3.6 Gbps effective).
Being a mxm module card, the AMD Radeon HD 6970M X2 does not require any additional power connector, its power draw is rated at 150 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device.
Being a mxm module card, the AMD Radeon HD 6970M X2 does not require any additional power connector, its power draw is rated at 150 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device.
Graphics Processor
- GPU Name
- Blackcomb
- GPU Variant
-
Blackcomb XT
(216-0811000)
- Architecture
- TeraScale 2
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 1,700 million
- Density
- 8.0M / mm²
- Die Size
- 212 mm²
- Chip Package
- HFCBGA-1737
Mobile Graphics
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
- 680 MHz
- Memory Clock
-
900 MHz
3.6 Gbps effective
Memory
- Memory Size
- 2 GB
- Memory Type
- GDDR5
- Memory Bus
- 256 bit
- Bandwidth
- 115.2 GB/s
Render Config
- Shading Units
- 960
- TMUs
- 48
- ROPs
- 32
- Compute Units
- 12
- L1 Cache
- 8 KB (per CU)
- L2 Cache
- 512 KB
Theoretical Performance
- Pixel Rate
- 21.76 GPixel/s
- Texture Rate
- 32.64 GTexel/s
- FP32 (float)
- 1,306 GFLOPS
Board Design
- Slot Width
- MXM Module
- TDP
- 150 W
- Outputs
- Portable Device Dependent
- Power Connectors
- None
- Board Number
- C296
Graphics Features
- DirectX
- 11.2 (11_0)
- OpenGL
- 4.4
- OpenCL
- 1.2
- Vulkan
- N/A
- Shader Model
- 5.0
Blackcomb GPU Notes
| Generation: Northern Islands Desktop Variant: Barts Graphics/Compute: GFX4 Display Core Engine: 5.0 Unified Video Decoder: 3.1 |
Devices based on this design (1)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 680 MHz | 900 MHz |
Jun 30th, 2024 02:27 EDT
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