Radeon HD 6770

Key Metrics

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Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6770
Architecture	TeraScale 2
Launch Date	2011-01-21
Core Specs
GPU Die	Juniper
Chip Variant / Package	FCBGA-962
Process Node	TSMC 40 nm
Transistor Count	1.04 billion
Die Size	166 mm²
Stream Processors	800
TMUs	40
ROPs	16
Base Clock	850 MHz
Boost Clock	850 MHz
Pixel Fillrate	13.6 GP/s
Texture Fillrate	34 GT/s
FP32 Throughput	1.36 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,200 MHz
Memory Bandwidth	76.8 GB/s
L2 Cache	0.25 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	108 W
Recommended PSU	300 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	198 mm
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

Sources