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Radeon HD 5770 X2

TeraScale 2 Radeon HD 5000 Series Gaming Desktop GDDR5 2010

Key Metrics

Launch Date: 2010-10-13
Stream Processors: 800
Memory: 1 GB GDDR5
Memory Bandwidth: 76.8 GB/s
Interface: PCIe 2.0 x16
Process Node: TSMC 40 nm

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	ATI Radeon HD 5770 X2
Architecture	TeraScale 2
Launch Date	2010-10-13
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
Recommended PSU	200 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

Review and press coverage

PC Tech Vault source reviewTDP left blank after checking existing online source leads; available sources were sufficient for identity or board clues but did not provide a direct model-level TDP value.