Report an Error
PowerColor HD 6990 LCS
- 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
I/O
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
Clock Speeds
- GPU Clock
830 MHz
880 MHz (+6%)
- Memory Clock
-
1250 MHz
5 Gbps effective
Memory
- Memory Size
-
2 GB
- Memory Type
- GDDR5
- Memory Bus
-
256 bit
- Bandwidth
-
160.0 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
-
26.56 GPixel/s
28.16 GPixel/s
- Texture Rate
-
79.68 GTexel/s
84.48 GTexel/s
- FP32 (float)
-
2.550 TFLOPS
2.703 TFLOPS
- FP64 (double)
-
637.4 GFLOPS
675.8 GFLOPS (1:4)
Board Design
- Slot Width
Dual-slot
Single-slot
- Length
310 mm
305 mm
12.2 inches
12 inches
- Width
115 mm
110 mm
4.5 inches
4.3 inches
- Height
40 mm
38 mm
1.6 inches
1.5 inches
- TDP
- 375 W
- Suggested PSU
- 750 W
- Outputs
- 1x DVI
4x mini-DisplayPort 1.2
- Power Connectors
- 2x 8-pin
- Board Number
- 109-C20647-00
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 |
Other retail boards
based on this design (11)
Name |
GPU Clock |
Memory Clock |
Other Changes |
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
PowerColor HD 6990 LCS
|
880 MHz |
1250 MHz |
305 mm/12 inches, Single-slot |
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|
|
830 MHz |
1250 MHz |
|