Nvidia GeForce GTX 550 Ti (GF116)
dateType
Video
486Family
threadsMemory ctrl.
GDDR3GDDR5DDR3
datePCI Vendor ID
10DE 12D2
datePCI Device ID
1244
dimensionProcess node
40nm
powerTDP
116W
Core Architecture
Foundry TSMC
Die Size 238 mm²
GPU Name GF116
GPU Variant GF116-400-A1
Transistors 1,170 million
Process Size 40 nm
Microarchitecture Fermi 2.0
Features and API Support
CUDA Support 2.1
Shader Model 5.1
OpenCL Support 1.1
OpenGL Support 4.6
Video Decode Engine VP4
DirectX Feature Level 11.0
Core Execution Block (e.g., SM)
Block Name Streaming Multiprocessor (SM)
Cores per Block 32
Texture Units per Block 4
Dispatch Units per Block 2 (Warp Schedulers)
Shared Memory L1 Cache per Block 64 KB (Configurable as 48K Shared/16K L1 or 16K Shared/48K L1)
Feature and API Set
Maximum OpenGL Support 4.6
CUDA Compute Capability 2.0
Parallel Computing Features Concurrent Kernel Execution, ECC Support, C++ Support
Maximum DirectX Feature Level 11.0
Architecture Identity
Architecture Name Fermi 1.0
Primary Market Segment Desktop, Workstation, HPC
Successor Architecture Fermi 2.0
Predecessor Architecture Tesla
Render Configuration
Shading Units / Cores 192
Render Output Units (ROPs) 24
Texture Mapping Units (TMUs) 32
Streaming Multiprocessors (SMs) 4
Memory Architecture
ECC Support Yes (GF100-based models)
L2 Cache Architecture Unified L2 Cache
Memory Controller Support GDDR5, GDDR3, DDR3
Clock and Power
Core Clock 900 MHz
Shader Clock 1800 MHz
TDP (Thermal Design Power) 116 Watt
Video Processing Engine
Video Decode Engine Version VP4
Video Encode Engine Version N/A (Introduced in Kepler)
Cache Hierarchy
L1 Cache (per SM) 64 KB
L2 Cache (Shared) 384 KB
Memory Interface
Memory Bus Width 192-bit
Memory Controller Type GDDR5
doc No chip documents available
drv No drivers available
Last updated 2025-06-10T12:59:03Z

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