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Mobility Radeon HD 4850

TeraScale Radeon HD 4000 Series Mobile Laptop GDDR3 2009

Key Metrics

Launch Date: 2009-01-09
Stream Processors: 800
Memory: 1 GB GDDR3
Memory Bandwidth: 54.4 GB/s
Interface: PCIe 2.0 x16
Process Node: TSMC 55 nm

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GPU Specs

What do these fields mean?

Identity
Entry Type	Laptop GPU
Official Name	ATI Mobility Radeon HD 4850
Architecture	TeraScale
Launch Date	2009-01-09
Core Specs
GPU Die	M98
Chip Variant / Package	HFCBGA-1492
Process Node	TSMC 55 nm
Transistor Count	0.96 billion
Die Size	256 mm²
Stream Processors	800
TMUs	40
ROPs	16
Base Clock	503 MHz
Boost Clock	503 MHz
Pixel Fillrate	8.048 GP/s
Texture Fillrate	20.12 GT/s
FP32 Throughput	0.8 TFLOPS
FP64 Throughput	0.16 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR3
Memory Bus Width	256-bit
Memory Clock	850 MHz
Memory Bandwidth	54.4 GB/s
L2 Cache	0.25 MB
L1 Cache	16 KB
Board and Display
Interface	PCIe 2.0 x16
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