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NVIDIA GeForce 945A
- Graphics Processor
- GM108
- Cores
- 384
- TMUs
- 24
- ROPs
- 8
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 64 bit
GPU
Recommended Gaming Resolutions:
- 1366x768
- 1600x900
- 1920x1080
The GeForce 945A was a mobile graphics chip by NVIDIA, launched on March 13th, 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, 24 texture mapping units, and 8 ROPs. NVIDIA has paired 1,024 MB GDDR5 memory with the GeForce 945A, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 1006 MHz, which can be boosted up to 1189 MHz, memory is running at 1253 MHz (5 Gbps effective).
Being a mxm module card, the NVIDIA GeForce 945A does not require any additional power connector, 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 945A is connected to the rest of the system using a PCI-Express 3.0 x8 interface.
Being a mxm module card, the NVIDIA GeForce 945A does not require any additional power connector, 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 945A is connected to the rest of the system using a PCI-Express 3.0 x8 interface.
Graphics Processor
Mobile Graphics
- Release Date
- Mar 13th, 2015
- Generation
- GeForce 900A
- Predecessor
- GeForce 800A
- 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
- 1006 MHz
- Boost Clock
- 1189 MHz
- Memory Clock
-
1253 MHz
5 Gbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 64 bit
- Bandwidth
- 40.10 GB/s
Render Config
- Shading Units
- 384
- TMUs
- 24
- ROPs
- 8
- SMM Count
- 3
- L1 Cache
- 64 KB (per SMM)
- L2 Cache
- 1024 KB
Theoretical Performance
- Pixel Rate
- 9.512 GPixel/s
- Texture Rate
- 28.54 GTexel/s
- FP32 (float)
- 913.2 GFLOPS
- FP64 (double)
- 28.54 GFLOPS (1:32)
Board Design
- Slot Width
- MXM Module
- 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 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) |
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