Radeon HD 6850 X2
General
ManufacturerAMD
SeriesNorthern Islands(HD 6800)
GPU NameBarts
ArchitectureTeraScale 2
GenerationNorthern Islands(HD 6800)
Release DateSep 2011
Bus InterfacePCIe 2.0 x16
Process & Die
FoundryTSMC
Process Size40 nm
Transistors1,700 M
Transistor Density6,700 K/mm²
Die Size255 mm²
Chip PackageHFCBGA-1737
Clock Speeds
Base Clock800 MHz
Boost Clock800 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,050 MHz
Memory Bus256-bit
Bandwidth134.4 GB/s
Processing Units
Shading Units960
TMUs48
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache8 KB
L2 Cache0.5 MB
Power & Thermals
TDP254 W
Suggested PSU600 W
Power Connectors2x 8-pin
Dimensions
Outputs
Display Connectors2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1
API Support
DirectX11.0
OpenGL4.4
OpenCL1.2
Shader Model5.0
Theoretical Performance
Pixel Rate25.6 GP/s
Texture Rate38.4 GT/s
FP32 (Single)1,536 GFLOPS
External
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