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NVIDIA GeForce 820M
- Graphics Processor
- GF117B
- Cores
- 96
- TMUs
- 16
- ROPs
- 8
- Memory Size
- 1024 MB
- Memory Type
- DDR3
- Bus Width
- 64 bit
GPU
Recommended Gaming Resolutions:
- 640x480
- 1280x720
- 1366x768
The GeForce 820M was a mobile graphics chip by NVIDIA, launched on November 27th, 2013. Built on the 28 nm process, and based on the GF117B graphics processor, in its N15V-GM-B-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 GF117B graphics processor is an average sized chip with a die area of 116 mm² and 585 million transistors. It features 96 shading units, 16 texture mapping units, and 8 ROPs. NVIDIA has paired 1,024 MB DDR3 memory with the GeForce 820M, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 625 MHz, memory is running at 900 MHz.
Its power draw is rated at 15 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 820M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Its power draw is rated at 15 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 820M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Graphics Processor
Mobile Graphics
- Release Date
- Nov 27th, 2013
- Generation
- GeForce 800M
- Predecessor
- GeForce 700M
- Successor
- GeForce 900M
- Production
- End-of-life
- Bus Interface
- PCIe 2.0 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
- GPU Clock
- 625 MHz
- Shader Clock
- 1250 MHz
- Memory Clock
-
900 MHz
1800 Mbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- DDR3
- Memory Bus
- 64 bit
- Bandwidth
- 14.40 GB/s
Render Config
- Shading Units
- 96
- TMUs
- 16
- ROPs
- 8
- SM Count
- 2
- L1 Cache
- 64 KB (per SM)
- L2 Cache
- 128 KB
Theoretical Performance
- Pixel Rate
- 2.500 GPixel/s
- Texture Rate
- 10.00 GTexel/s
- FP32 (float)
- 240.0 GFLOPS
- FP64 (double)
- 20.00 GFLOPS (1:12)
Board Design
- Slot Width
- IGP
- TDP
- 15 W
- Outputs
- Portable Device Dependent
- Power Connectors
- None
Graphics Features
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 1.1
- Vulkan
- N/A
- CUDA
- 2.1
- Shader Model
- 5.1
GF117B GPU Notes
| PureVideo HD: VP5 VDPAU: Feature Set D Latest Drivers: Windows XP / Server 2003 x64: GeForce Release 368.81 Windows Vista: GeForce Release 365.19 Windows 7 / 8 / 8.1 / 10: GeForce Release 391.35 |
Devices based on this design (5)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 775 MHz | 900 MHz | ||
| 775 MHz | 900 MHz | 2 GB | |
| 625 MHz | 900 MHz | 2 GB | |
| 625 MHz | 900 MHz | 2 GB | |
| 625 MHz | 900 MHz | 2 GB |
Dec 22nd, 2024 22:33 EST
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