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Radeon HD 6850 X2

TeraScale 2 Radeon HD 6000 Series Gaming Desktop GDDR5 2011

Key Metrics

Launch Date: 2011-09-19
Stream Processors: 960
Memory: 2 GB GDDR5
Memory Bandwidth: 134.4 GB/s
TDP/TBP: 254 W
Interface: PCIe 2.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6850 X2
Architecture	TeraScale 2
Launch Date	2011-09-19
Core Specs
GPU Die	Barts
Chip Variant / Package	HFCBGA-1737
Process Node	TSMC 40 nm
Transistor Count	1.7 billion
Die Size	255 mm²
Stream Processors	960
TMUs	48
ROPs	32
Base Clock	800 MHz
Boost Clock	800 MHz
Pixel Fillrate	25.6 GP/s
Texture Fillrate	38.4 GT/s
FP32 Throughput	1.54 TFLOPS
Memory
Memory Size	2 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	254 W
Recommended PSU	600 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1
Slot Width	Dual-slot
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source