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NVIDIA GeForce 845M
- Graphics Processor
- GM108
- Cores
- 384
- TMUs
- 32
- ROPs
- 16
- Memory Size
- 2 GB
- Memory Type
- GDDR5
- Bus Width
- 64 bit
GPU
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The GeForce 845M was a mobile graphics chip by NVIDIA, launched on August 26th, 2015. Built on the 28 nm process, and based on the GM108 graphics processor, 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 GM108 graphics processor is a relatively small chip with a die area of only 77 mm² and 1,020 million transistors. It features 384 shading units, 32 texture mapping units, and 16 ROPs. NVIDIA has paired 2,048 MB GDDR5 memory with the GeForce 845M, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 1071 MHz, which can be boosted up to 1150 MHz, memory is running at 1253 MHz (5 Gbps effective).
Its power draw is rated at 33 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 x8 interface.
Its power draw is rated at 33 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 x8 interface.
Graphics Processor
Mobile Graphics
- Release Date
- Aug 26th, 2015
- Generation
- GeForce 800M
- Predecessor
- GeForce 700M
- Successor
- GeForce 900M
- Production
- End-of-life
- Bus Interface
- PCIe 3.0 x8
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
- 1071 MHz
- Boost Clock
- 1150 MHz
- Memory Clock
-
1253 MHz
5 Gbps effective
Memory
- Memory Size
- 2 GB
- Memory Type
- GDDR5
- Memory Bus
- 64 bit
- Bandwidth
- 40.10 GB/s
Render Config
- Shading Units
- 384
- TMUs
- 32
- ROPs
- 16
- SMM Count
- 3
- L1 Cache
- 64 KB (per SMM)
- L2 Cache
- 1024 KB
Theoretical Performance
- Pixel Rate
- 18.40 GPixel/s
- Texture Rate
- 36.80 GTexel/s
- FP32 (float)
- 883.2 GFLOPS
- FP64 (double)
- 27.60 GFLOPS (1:32)
Board Design
- Slot Width
- IGP
- TDP
- 33 W
- Outputs
- Portable Device Dependent
- Power Connectors
- None
Graphics Features
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 3.0
- Vulkan
- 1.3
- CUDA
- 5.0
- Shader Model
- 6.7 (5.1)
GM108 GPU Notes
| NVENC: No Support NVDEC: No Support PureVideo HD: VP6 VDPAU: Feature Set E |
May 9th, 2024 16:28 EDT
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