NVIDIA GeForce 840M vs NVIDIA GeForce 845M Full Specs
384 Shaders 1.03GHz | 384 Shaders 1.15GHz |
2GB DDR316GB/s | 2GB GDDR540GB/s |
·· 790.3 GFLOPS | ·· 883.2 GFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 30W | TDP 33W |
GeForce 840M790.3 GFLOPSFP32GeForce 845M883.2 GFLOPSFP32Clock Speed ·· | Clock Speed ··· |
Peak OPS 790.3 GFLOPSFP32 | Peak OPS 883.2 GFLOPSFP32 |
FP32 790.3 GFLOPS | FP32 883.2 GFLOPS |
FP64 24.7 GFLOPS | FP64 27.6 GFLOPS |
Pixel Rate 8.2 GPixel/s | Pixel Rate 18.4 GPixel/s |
Texture Rate 24.7 GTexel/s | Texture Rate 36.8 GTexel/s |
Shaders 384 Shaders | Shaders 384 Shaders |
TMUs 24 TMUs | TMUs 32 TMUs |
ROPs 8 ROPs | ROPs 16 ROPs |
SMs 3 SMs | SMs 3 SMs |
Base Clock - | Base Clock 1.07GHz |
Boost Clock 1.03GHz | Boost Clock 1.15GHz |
L2 Cache 1MB shared | L2 Cache 1MB shared |
2GB DDR3 | 2GB GDDR5 |
Memory Bus 64-bit | Memory Bus 64-bit |
Memory Speed 2GT/s | Memory Speed 5GT/s |
Memory Bandwidth 16GB/s | Memory Bandwidth 40GB/s |
TDP 30W | TDP 33W |
Multi-Monitor 2 | Multi-Monitor 2 |
Decoder Model VP6 | Decoder Model VP6 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NV118 | Codename NV118 |
Market Segment Laptop | Market Segment Laptop |
Release Date Mar 12, 2014 | Release Date Feb 7, 2015 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 89mm² | Die Size 89mm² |
Transistor Count 1.1 Billion | Transistor Count 1.1 Billion |
Transistor Density 12.61 MTr/mm² | Transistor Density 12.61 MTr/mm² |
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