AMD Radeon HD 6870
GPU
BrandAMD
NameBarts
VariantBarts XT
GenerationNorthern Islands (HD 6800)
ArchitectureTeraScale 2
Process Node40 nm
Rendering Hardware
Shading Units1120
TMUs56
ROPs32
Compute Units14
L1 Cache8 KB (per CU)
L2 Cache512 KB
API Support
DirectX11.2 (11_0)
OpenGL4.4
OpenCL1.2
Shader Model5.0
Speed
Memory Clock1050 MHz
GPU Base Clock900 MHz
Memory
Memory Size1 GB
Memory Bus256 bits
Memory TypeGDDR5
Power
Power Delivery2 6-pin PCIe
TDP151 W
Card Details
Slot CompatibilityPCIe x16
Card Bus TypePCIe 2.0 x16
Expansion Slot Height2
External Specs Link
Notes
Reference design