NVIDIA GeForce GTX 850M, codenamed “N15P-GT”, is a high-end graphics chip, announced in late Q1 of 2014. It is part of the Maxwell generation and relies on a GM107 core, constructed through a 28nm process. It consists of five shader blocks, known as SMM, and each of those has 128 smaller shader cores, also known as CUDA, for a total of 650 CUDA cores. The package also includes 40 texture cores and 16 raster cores.
All of them operate at 876MHz in the GDDR5 model or 936MHz in the DDR3 model, but NVIDIA’s GPU Boost 2.0 can increase that frequency based on the laptop’s cooling capacity.Both models have a 128bit bus.
NVIDIA GeForce GTX 850M supports irectX 11.2, Pixel Shader 5.0, Optimus, SLI, PhysX, OpenCL 1.1, OpenGL 4.4, DirectCompute, CUDA, Blu-Ray 3D and 3D Vision. Memory bandwidth can go up to 64GB/sec. Max resolutions (WxH) are 3840×2160 digital and 2048×1536 analog.
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Laptops with NVIDIA GeForce GTX 850M (4GB DDR3)
NVIDIA GeForce GTX 850M (4GB DDR3) - benchmark tests
NVIDIA GeForce GTX 850M (4GB DDR3) vs competitors:
| # | GPU | Memory bus | Performance score |
In laptops starting at... |
|---|---|---|---|---|
| 109. | AMD Radeon Pro WX 3200 (4GB GDDR5) | 128-bit | 0.8/10 | $1349.99 |
| 110. | NVIDIA GeForce GTX 850M (2GB DDR3) | 128-bit | 0.8/10 | $1129.95 |
| 111. | NVIDIA GeForce GTX 850M (4GB DDR3) | 128-bit | 0.8/10 | N/A |
| 112. | AMD Radeon RX 640 | 64-bit | 0.7/10 | N/A |
| 113. | NVIDIA GeForce MX250 (10W) | 64-bit | 0.7/10 | $1349.99 |
| 114. | AMD FirePro W5170M (2GB GDDR5) | 128-bit | 0.7/10 | N/A |
We’ve tested NVIDIA GeForce GTX 850M (4GB DDR3) on…
| # | Laptop | 3DMark Fire Strike (G) | Unigine Heaven 3.0 | Unigine Heaven 4.0 | Unigine Superposition | Price |
|---|---|---|---|---|---|---|
| 1. | Acer Aspire V5-573G | 2941.00 | 826.00 | 0.00 | 0.00 | N/A |
| 2. | ASUS ROG G550 | 3134.00 | 941.00 | 0.00 | 0.00 | N/A |
| 3. | Acer Aspire V15 Nitro | 2928.00 | 502.00 | 0.00 | 0.00 | N/A |
| 4. | ASUS N751JK | 3078.00 | 951.00 | 694.00 | 0.00 | N/A |