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Mobility Radeon HD 4860

TeraScale Radeon HD 4000 Series Mobile Laptop GDDR5 2009

Key Metrics

Launch Date: 2009-03-03
Stream Processors: 640
Memory: 1 GB GDDR5
Memory Bandwidth: 64 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	Laptop GPU
Official Name	ATI Mobility Radeon HD 4860
Architecture	TeraScale
Launch Date	2009-03-03
Core Specs
GPU Die	M97
Process Node	TSMC 40 nm
Transistor Count	0.83 billion
Die Size	137 mm²
Stream Processors	640
TMUs	32
ROPs	16
Base Clock	650 MHz
Boost Clock	650 MHz
Pixel Fillrate	10.4 GP/s
Texture Fillrate	20.8 GT/s
FP32 Throughput	0.83 TFLOPS
FP64 Throughput	0.17 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,000 MHz
Memory Bandwidth	64 GB/s
L2 Cache	0.128 MB
L1 Cache	16 KB
Board and Display
Interface	PCIe 2.0 x16
Slot Width	MXM Module
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