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Radeon HD 4830

TeraScale Radeon HD 4000 Series Gaming Desktop GDDR3 2008

Key Metrics

Launch Date: 2008-10-21
Stream Processors: 640
Memory: 512 MB GDDR3
Memory Bandwidth: 57.6 GB/s
TDP/TBP: 95 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 4830
Architecture	TeraScale
Launch Date	2008-10-21
Core Specs
GPU Die	RV770
Chip Variant / Package	HFCBGA-1492
Process Node	TSMC 55 nm
Transistor Count	0.96 billion
Die Size	256 mm²
Stream Processors	640
TMUs	32
ROPs	16
Base Clock	575 MHz
Boost Clock	575 MHz
Pixel Fillrate	9.2 GP/s
Texture Fillrate	18.4 GT/s
FP32 Throughput	0.74 TFLOPS
FP64 Throughput	0.15 TFLOPS
Memory
Memory Size	512 MB
Memory Type	GDDR3
Memory Bus Width	256-bit
Memory Clock	900 MHz
Memory Bandwidth	57.6 GB/s
L2 Cache	0.25 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	95 W
Recommended PSU	250 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x S-Video
Slot Width	Single-slot
Card Length	246 mm
Software
Shader Model	4.1
DirectX Support	DirectX 10.1
OpenGL Support	OpenGL 3.3
OpenCL Support	OpenCL 1.1

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source