Radeon HD 7770 GHz Edition

Key Metrics

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Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 7770 GHz Edition
Architecture	GCN 1.0
Launch Date	2012-02-15
Core Specs
GPU Die	Cape Verde
Chip Variant / Package	FCBGA-962
Process Node	TSMC 28 nm
Transistor Count	1.5 billion
Die Size	123 mm²
Stream Processors	640
TMUs	40
ROPs	16
Base Clock	1,000 MHz
Boost Clock	1,000 MHz
Pixel Fillrate	16 GP/s
Texture Fillrate	40 GT/s
FP32 Throughput	1.28 TFLOPS
FP64 Throughput	0.08 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,125 MHz
Memory Bandwidth	72 GB/s
L2 Cache	0.25 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	80 W
Recommended PSU	250 W
Interface	PCIe 3.0 x16
Display Outputs	1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
Slot Width	Dual-slot
Card Length	210 mm
Software
Shader Model	5.1
DirectX Support	DirectX 11.1
Vulkan Support	Vulkan 1.2
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 1.2

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