NVIDIA GeForce 820M vs NVIDIA GeForce GTX 880M Full Specs
96 Shaders 719MHz | 1,536 Shaders 993MHz |
2GB DDR316GB/s | 4GB GDDR5160GB/s |
·· 366.3 GFLOPS | ·· 3.05 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 15W | TDP 130W |
GeForce 820M366.3 GFLOPSFP32
GeForce GTX 880M3.05 TFLOPSFP32Clock Speed ··· | Clock Speed ·· |
Peak OPS 366.3 GFLOPSFP32 | Peak OPS 3.05 TFLOPSFP32 |
FP32 366.3 GFLOPS | FP32 3.05 TFLOPS |
FP64 30.53 GFLOPS | FP64 127.1 GFLOPS |
Pixel Rate 7.6 GPixel/s | Pixel Rate 31.8 GPixel/s |
Texture Rate 30.5 GTexel/s | Texture Rate 127.1 GTexel/s |
Shaders 96 Shaders | Shaders 1,536 Shaders |
TMUs 16 TMUs | TMUs 128 TMUs |
ROPs 4 ROPs | ROPs 32 ROPs |
SMs 2 SMs | SMs 8 SMs |
Base Clock 719MHz | Base Clock - |
Boost Clock 719MHz | Boost Clock 993MHz |
Shader Clock 1.91GHz | Shader Clock - |
L2 Cache 256KB shared | L2 Cache 512KB shared |
2GB DDR3 | 4GB GDDR5 |
Memory Bus 64-bit | Memory Bus 256-bit |
Memory Speed 2GT/s | Memory Speed 5GT/s |
Memory Bandwidth 16GB/s | Memory Bandwidth 160GB/s |
TDP 15W | TDP 130W |
Multi-Monitor 2 | Multi-Monitor 3 |
- | Encoder Model NVENC 1 |
Decoder Model VP5 | Decoder Model NVDEC 1 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename NVD7 | Codename NVE4 |
Chip Variant N13M-GS | Chip Variant GK104-200-KD-A2 |
Market Segment Laptop | Market Segment Laptop |
Release Date Feb 1, 2014 | Release Date Mar 12, 2014 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 116mm² | Die Size 294mm² |
Transistor Count 585 Million | Transistor Count 3.5 Billion |
Transistor Density 5.04 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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