NVIDIA GeForce GTX 650 vs NVIDIA GeForce GTX 660 GK104 Full Specs
384 Shaders 1.06GHz | 1,152 Shaders 899MHz |
1GB GDDR580GB/s | 2GB GDDR5139.2GB/s |
·· 812.5 GFLOPS | ·· 2.07 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 64W | TDP 130W |
Power Connectors 1x 6-Pin | Power Connectors 1x 6-Pin |
GeForce GTX 650812.5 GFLOPSFP32
GeForce GTX 660 GK1042.07 TFLOPSFP32Clock Speed ·· | Clock Speed ··· |
Peak OPS 812.5 GFLOPSFP32 | Peak OPS 2.07 TFLOPSFP32 |
FP32 812.5 GFLOPS | FP32 2.07 TFLOPS |
FP64 33.85 GFLOPS | FP64 86.3 GFLOPS |
Pixel Rate 16.9 GPixel/s | Pixel Rate 21.6 GPixel/s |
Texture Rate 33.9 GTexel/s | Texture Rate 86.3 GTexel/s |
Shaders 384 Shaders | Shaders 1,152 Shaders |
TMUs 32 TMUs | TMUs 96 TMUs |
ROPs 16 ROPs | ROPs 24 ROPs |
SMs 2 SMs | SMs 6 SMs |
Base Clock - | Base Clock 824MHz |
Boost Clock 1.06GHz | Boost Clock 899MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
1GB GDDR5 | 2GB GDDR5 |
Memory Bus 128-bit | Memory Bus 192-bit |
Memory Speed 5GT/s | Memory Speed 5.8GT/s |
Memory Bandwidth 80GB/s | Memory Bandwidth 139.2GB/s |
ECC No | ECC No |
TDP 64W | TDP 130W |
Multi-Monitor 2 | Multi-Monitor 3 |
- | 1x DisplayPort 1.2 |
- | 1x HDMI 1.4 |
1x Mini HDMI 1.4 | - |
1x DVI-D Dual-Link | 1x DVI-D Dual-Link |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
Encoder Model NVENC 1 | Encoder Model NVENC 1 |
Decoder Model NVDEC 1 | Decoder Model NVDEC 1 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1.5-Slots | PCIe 2-Slots |
Height 111 mm (4.37")Width 145 mm (5.71")Depth 30 mm (1.18") | Height 111 mm (4.37")Width 241 mm (9.49")Depth 38 mm (1.5") |
Cooling Open-Air 1x Fan | Cooling Blower 1x Fan |
Power Connectors 1x 6-Pin | Power Connectors 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVE7 | Codename NVE4 |
Chip Variant - | Chip Variant GK104-200-KD-A2 |
Market Segment Desktop | Market Segment Desktop |
Release Date Sep 13, 2012 | Release Date Aug 22, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 118mm² | Die Size 294mm² |
Transistor Count 1.3 Billion | Transistor Count 3.5 Billion |
Transistor Density 10.76 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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