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NVIDIA GeForce 845M
- Graphics Processor
- GM107
- Cores
- 512
- TMUs
- 32
- ROPs
- 16
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Bus Width
- 64 bit
GPU
Recommended Gaming Resolutions:
- 1366x768
- 1600x900
- 1920x1080
The GeForce 845M was a mobile graphics chip by NVIDIA, launched on February 7th, 2015. Built on the 28 nm process, and based on the GM107 graphics processor, in its N15S-GT1R-KA-A2 variant, the chip supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_0, which can be problematic with newer DirectX 12 titles. The GM107 graphics processor is an average sized chip with a die area of 148 mm² and 1,870 million transistors. Unlike the fully unlocked GeForce GTX 750 Ti, which uses the same GPU but has all 640 shaders enabled, NVIDIA has disabled some shading units on the GeForce 845M to reach the product's target shader count. It features 512 shading units, 32 texture mapping units, and 16 ROPs. NVIDIA has paired 2,048 MB DDR3 memory with the GeForce 845M, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 863 MHz, which can be boosted up to 863 MHz, memory is running at 1001 MHz.
Its power draw is rated at 45 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. GeForce 845M is connected to the rest of the system using a PCI-Express 3.0 x16 interface.
Its power draw is rated at 45 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. GeForce 845M is connected to the rest of the system using a PCI-Express 3.0 x16 interface.
Graphics Processor
Mobile Graphics
- Release Date
- Feb 7th, 2015
- Generation
- GeForce 800M
- Predecessor
- GeForce 700M
- Successor
- GeForce 900M
- Production
- End-of-life
- Bus Interface
- PCIe 3.0 x16
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.
Clock Speeds
- Base Clock
- 863 MHz
- Boost Clock
- 863 MHz
- Memory Clock
-
1001 MHz
2 Gbps effective
Memory
- Memory Size
- 2 GB
- Memory Type
- DDR3
- Memory Bus
- 64 bit
- Bandwidth
- 16.02 GB/s
Render Config
- Shading Units
- 512
- TMUs
- 32
- ROPs
- 16
- SMM Count
- 4
- L1 Cache
- 64 KB (per SMM)
- L2 Cache
- 1024 KB
Theoretical Performance
- Pixel Rate
- 13.81 GPixel/s
- Texture Rate
- 27.62 GTexel/s
- FP32 (float)
- 883.7 GFLOPS
- FP64 (double)
- 27.62 GFLOPS (1:32)
Board Design
- Slot Width
- IGP
- TDP
- 45 W
- Outputs
- Portable Device Dependent
Graphics Features
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 3.0
- Vulkan
- 1.3
- CUDA
- 5.0
- Shader Model
- 6.7 (5.1)
GM107 GPU Notes
| NVENC: 4th Gen NVDEC: 1st Gen PureVideo HD: VP6 VDPAU: Feature Set E Latest Drivers: Windows Vista: GeForce Release 365.19 Quadro Release R346 U7 (348.40) / R352 BETA (352.86) Windows 7 / 8 / 8.1 (x32 / x64): GeForce Release 391.35 / 474.89 GeForce Mobile Release 391.35 / 425.31 Quadro Release R390 U9 (392.37) / R440 U4 (441.66) Quadro Mobile Release R390 U9 (392.37) / R418 U9 (426.78) WIndows 10 / 11 (x32 / x64): GeForce Release 391.35 / 474.89 GeForce Mobile Release 391.35 / 425.31 Quadro Release R390 U9 (392.37) / R470 U16 (474.82) Quadro Mobile Release R390 U9 (392.37) / R418 U9 (426.78) |
Dec 30th, 2024 11:26 EST
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