NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 690 Full Specs
960 Shaders 1.08GHz | 3,072 Shaders 1.06GHz |
2GB GDDR5144.2GB/s | 4GB GDDR5384.5GB/s |
·· 2.08 TFLOPS | ·· 6.5 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 140W | TDP 300W |
Power Connectors - 1x 6-Pin | Power Connectors 2x 8-Pin - |
GeForce GTX 6602.08 TFLOPSFP32
GeForce GTX 6906.5 TFLOPSFP32 (2x 3.25 TFLOPS)Clock Speed ··· | Clock Speed ··· |
Peak OPS 2.08 TFLOPSFP32 | Peak OPS 6.5 TFLOPSFP32 |
FP32 2.08 TFLOPS | FP32 6.5 TFLOPS |
FP64 86.72 GFLOPS | FP64 270.8 GFLOPS |
Pixel Rate 26 GPixel/s | Pixel Rate 33.9 GPixel/s |
Texture Rate 86.7 GTexel/s | Texture Rate 135.4 GTexel/s |
Shaders 960 Shaders | Shaders 3,072 Shaders |
TMUs 80 TMUs | TMUs 256 TMUs |
ROPs 24 ROPs | ROPs 64 ROPs |
SMs 5 SMs | SMs 16 SMs |
Base Clock 980MHz | Base Clock 915MHz |
Boost Clock 1.08GHz | Boost Clock 1.06GHz |
L2 Cache 512KB shared | L2 Cache 512KB shared |
2GB GDDR5 | 4GB GDDR5 |
Memory Bus 192-bit | Memory Bus 256-bit |
Memory Speed 6GT/s | Memory Speed 6GT/s |
Memory Bandwidth 144.2GB/s | Memory Bandwidth 384.5GB/s |
ECC No | ECC No |
TDP 140W | TDP 300W |
Multi-Monitor 3 | Multi-Monitor 4 |
1x DisplayPort 1.2 | - |
- | 1x Mini DisplayPort 1.2 |
1x HDMI 1.4 | - |
1x DVI-D Dual-Link | 1x DVI-D Dual-Link |
1x DVI-I Dual-Link | 2x 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 2-Slots | PCIe 2-Slots |
Height 111 mm (4.37")Width 241 mm (9.49")Depth 38 mm (1.5") | Height 111 mm (4.37")Width 279 mm (10.98")Depth 38 mm (1.5") |
Cooling Blower 1x Fan | Cooling Open-Air 1x Fan |
Power Connectors 1x 6-Pin | Power Connectors 2x 8-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVE6 | Codename NVE4 |
Chip Variant - | Chip Variant GK104-200-KD-A2 |
Market Segment Desktop | Market Segment Desktop |
Release Date Sep 13, 2012 | Release Date Apr 29, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 221mm² | Die Size 294mm² |
Transistor Count 2.5 Billion | Transistor Count 3.5 Billion |
Transistor Density 11.49 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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