ATi Radeon HD 4870
Card Details
Card BrandASUS
Alternate Model NameHD 4870 Dark Knight
Slot CompatibilityPCIe x16
Card Bus TypePCIe 2.0 x16
Expansion Slot HeightDual Slot
Number Owned1
External Specs Link
Same model as one I bought new.
Power
Power Delivery2 6-pin PCIe
TDP148 W
Speed
Memory Clock925 MHz
GPU Base Clock815 MHz
Memory
Memory Size1 GB
Memory Bus256 bits
Memory TypeGDDR5
GPU
BrandATi
NameRV770
VariantRV770 XT (215-0669049)
GenerationRadeon R700 (HD 4800)
ArchitectureTeraScale
Process Node55 nm
Rendering Hardware
Shading Units800
TMUs40
ROPs16
Compute Units10
L1 Cache16 KB (per CU)
L2 Cache256 KB
API Support
DirectX10.1 (10_1)
OpenGL3.3
OpenCL1.1
Shader Model4.1