NVIDIA GeForce GTX 850M GDDR5 vs NVIDIA GeForce GTX 880M Full Specs
640 Shaders 876MHz | 1,536 Shaders 993MHz |
2GB GDDR580GB/s | 4GB GDDR5160GB/s |
·· 1.12 TFLOPS | ·· 3.05 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 40W | TDP 130W |
GeForce GTX 850M GDDR51.12 TFLOPSFP32GeForce GTX 880M3.05 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 1.12 TFLOPSFP32 | Peak OPS 3.05 TFLOPSFP32 |
FP32 1.12 TFLOPS | FP32 3.05 TFLOPS |
FP64 35.04 GFLOPS | FP64 127.1 GFLOPS |
Pixel Rate 14 GPixel/s | Pixel Rate 31.8 GPixel/s |
Texture Rate 35 GTexel/s | Texture Rate 127.1 GTexel/s |
Shaders 640 Shaders | Shaders 1,536 Shaders |
TMUs 40 TMUs | TMUs 128 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
SMs 5 SMs | SMs 8 SMs |
Boost Clock 876MHz | Boost Clock 993MHz |
L2 Cache 2MB shared | L2 Cache 512KB shared |
2GB GDDR5 | 4GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 5GT/s | Memory Speed 5GT/s |
Memory Bandwidth 80GB/s | Memory Bandwidth 160GB/s |
TDP 40W | TDP 130W |
Multi-Monitor 2 | Multi-Monitor 3 |
Encoder Model NVENC 2 | Encoder Model NVENC 1 |
Decoder Model NVDEC 1 | Decoder Model NVDEC 1 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NV117 | Codename NVE4 |
Chip Variant GM107-220-A2 | Chip Variant GK104-200-KD-A2 |
Market Segment Laptop | Market Segment Laptop |
Release Date Mar 12, 2014 | Release Date Mar 12, 2014 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 148mm² | Die Size 294mm² |
Transistor Count 1.9 Billion | Transistor Count 3.5 Billion |
Transistor Density 12.64 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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