Components & Storage

Memory: 4GB DDR3 | 64-bit
Core Clock: ~810–902 MHz (varies by vendor)
Memory Clock: 1600 MHz effective
Interface: PCIe 2.0 x16
Outputs: VGA, DVI, HDMI
CUDA Cores: 96 (Fermi) or 384 (Kepler, less common in GT 630)
Cooling: Single-fan active cooling
DirectX Support: DirectX 11
TDP: ~65W | No external power needed
Recommended PSU: 300W
Use Case: Entry-level gaming (very old titles), legacy systems, multi-monitor setups

Memory: 2GB DDR3 | 64-bit
Core Clock: ~954 MHz
Memory Clock: 1600 MHz effective
Interface: PCIe 2.0 x8 (often physically x16)
Outputs: VGA, DVI-D, HDMI (varies by model)
CUDA Cores: 192
Cooling: Passive or single-fan (depends on model)
DirectX Support: DirectX 12 (feature level 11_0)
TDP: 19W | No external power needed
Recommended PSU: 300W
Use Case: Multi-monitor support, basic graphics, HD media playback

Memory: 512MB DDR3 | 64-bit
Core Clock: ~520 MHz
Memory Clock: 600 MHz (1200 MHz effective)
Interface: PCI
Outputs: VGA, DVI, HDMI (varies)
Cooling: Passive or single-fan
DirectX Support: DirectX 10
TDP: ~25W
Recommended PSU: 300W
Use Case: Basic display output, legacy systems