Radeon HD 6870 1600SP Edition
General
ManufacturerAMD
SeriesNorthern Islands(HD 6800)
GPU NameCypress
ArchitectureTeraScale 2
GenerationNorthern Islands(HD 6800)
Release DateJan 2013
Bus InterfacePCIe 2.0 x16
Process & Die
FoundryTSMC
Process Size40 nm
Transistors2,154 M
Transistor Density6,400 K/mm²
Die Size334 mm²
Clock Speeds
Base Clock850 MHz
Boost Clock850 MHz
Memory
VRAM1 GB
Memory TypeGDDR5
Memory Clock1,050 MHz
Memory Bus256-bit
Bandwidth134.4 GB/s
Processing Units
Shading Units1,600
TMUs80
ROPs32
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache8 KB
L2 Cache0.5 MB
Power & Thermals
TDP175 W
Suggested PSU450 W
Power Connectors2x 6-pin
Dimensions
Board Length282 mm
Outputs
Display Connectors2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1
API Support
DirectX11.0
OpenGL4.4
OpenCL1.2
Shader Model5.0
Theoretical Performance
Pixel Rate27.2 GP/s
Texture Rate68 GT/s
FP32 (Single)2,720 GFLOPS
FP64 (Double)544 GFLOPS
External
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