ATI Mobility Radeon HD 4850 Full Specs
800 Shaders 500MHz |
1GB GDDR354.4GB/s |
·· 800 GFLOPS |
Form Factor MXM-A |
Clock Speed ·· |
Peak OPS 800 GFLOPSFP32 |
FP32 800 GFLOPS |
FP64 160 GFLOPS |
Pixel Rate 8 GPixel/s |
Texture Rate 20 GTexel/s |
Shaders 800 Shaders |
TMUs 40 TMUs |
ROPs 16 ROPs |
CUs 10 CUs |
Boost Clock 500MHz |
L1 16KB/CU |
L2 Cache 256KB shared |
1GB GDDR3 |
Memory Bus 256-bit |
Memory Speed 1.7GT/s |
Memory Bandwidth 54.4GB/s |
ECC No |
Max Resolution 2560x1600 |
Refresh Rate Calculator 2560x1440 Resolution1440p QHD Refresh Rate 66Hz |
Multi-Monitor 2 |
DSC Not Supported |
Shader Model 4.1 |
DirectX DirectX 10Direct3D 10_1 |
OpenGL 3.3OpenCL 1.1 |
GFX 3 |
Decoder UVD 2.0 |
Codec VC-1 AVC (H.264) |
Form Factor MXM-A |
PCIe PCIe 2.0 x16 |
Multi-GPU Multi-GPU Support SupportedMulti-GPU Type 2-way CrossFireX |
Manufacturer |
Chip Designer |
Architecture |
Family |
Branding  |
Codename Wekiva |
Chip Variant RV770 CE |
Market Segment Laptop |
Release Date Jan 9, 2009 |
Foundry TSMC |
Fabrication Node 55nm |
Die Size 256mm² |
Transistor Count 956M |
Transistor Density 3.73 MTr/mm² |