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Radeon HD 4770

TeraScale Radeon HD 4000 Series Gaming Desktop GDDR5 2009

Key Metrics

Launch Date: 2009-04-28
Stream Processors: 640
Memory: 512 MB GDDR5
Memory Bandwidth: 51.2 GB/s
TDP/TBP: 80 W
Interface: PCIe 2.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	ATI Radeon HD 4770
Architecture	TeraScale
Launch Date	2009-04-28
Core Specs
GPU Die	RV740
Process Node	TSMC 40 nm
Transistor Count	0.83 billion
Die Size	137 mm²
Stream Processors	640
TMUs	32
ROPs	16
Base Clock	750 MHz
Boost Clock	750 MHz
Pixel Fillrate	12 GP/s
Texture Fillrate	24 GT/s
FP32 Throughput	0.96 TFLOPS
FP64 Throughput	0.19 TFLOPS
Memory
Memory Size	512 MB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	800 MHz
Memory Bandwidth	51.2 GB/s
L2 Cache	0.128 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	80 W
Recommended PSU	250 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x S-Video
Slot Width	Dual-slot
Card Length	203 mm
Software
Shader Model	4.1
DirectX Support	DirectX 10.1
OpenGL Support	OpenGL 3.3
OpenCL Support	OpenCL 1.1

GPU Gallery

AMD product image of an ATI Radeon HD 4770 graphics card — Front: AMD ATI Radeon HD 4770 product card. The product image does not prove the Wiki 512 MB GDDR5 capacity or PCIe 2.0 signaling mode. The exact photographed example is identified on its source page.View original file page

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source

Photo sources

Wikimedia Commons
Photo: AMD ATI Radeon HD 4770 product card (Front)Creator: Advanced Micro Devices, Inc. (AMD)Credit: Advanced Micro Devices, Inc. (AMD) / Wikimedia CommonsTitle: ATI Radeon HD 4770 Graphics Card-top viewLicense: AMD attribution permissionSource claim: AMD attribution permission allows publication and website reuse when the product image is accurately labeled.Modified: Original dimensions retained and JPEG recompressed; no crop. AMD requires accurate labeling and credit.Board identity: The exact photographed example is identified on its source page.Configuration: The product image does not prove the Wiki 512 MB GDDR5 capacity or PCIe 2.0 signaling mode.License deed Original file page