Radeon HD 6870 1600SP Edition

Key Metrics

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Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6870 1600SP Edition
Architecture	TeraScale 2
Launch Date	2013-01-14
Core Specs
GPU Die	Cypress
Process Node	TSMC 40 nm
Transistor Count	2.15 billion
Die Size	334 mm²
Stream Processors	1600
TMUs	80
ROPs	32
Base Clock	850 MHz
Boost Clock	850 MHz
Pixel Fillrate	27.2 GP/s
Texture Fillrate	68 GT/s
FP32 Throughput	2.72 TFLOPS
FP64 Throughput	0.54 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR5
Memory Bus Width	256-bit
Memory Clock	1,050 MHz
Memory Bandwidth	134.4 GB/s
L2 Cache	0.5 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	175 W
Recommended PSU	450 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1
Slot Width	Dual-slot
Card Length	282 mm
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

Sources