AMD Radeon HD 7870
GPU
BrandAMD
NamePitcairn
VariantPitcairn XT
GenerationSouthern Islands (HD 7800)
ArchitectureGCN 1.0
Process Node28 nm
Rendering Hardware
Shading Units1280
TMUs80
ROPs32
Compute Units20
L1 Cache16 KB (per CU)
L2 Cache512 KB
API Support
DirectX12 (11_1)
OpenGL4.6
OpenCL1.2
Vulkan1.2
Shader Model5.1
Speed
Memory Clock1200 MHz
GPU Base Clock1050 MHz
Memory
Memory Size2 GB
Memory Bus256 bits
Memory TypeGDDR5
Power
Power Delivery2 6-pin PCIe
TDP175 W
Card Details
Card BrandSapphire
Alternate Model NameHD 7870 Dual-X OC
Slot CompatibilityPCIe x16
Card Bus TypePCIe 3.0 x16
Expansion Slot Height2
External Specs Link