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NVIDIA GeForce GT 420M
- Graphics Processor
- GF108
- Cores
- 96
- TMUs
- 16
- ROPs
- 4
- Memory Size
- 1024 MB
- Memory Type
- DDR3
- Bus Width
- 128 bit
GPU
Recommended Gaming Resolutions:
- 640x480
- 1280x720
- 1366x768
The GeForce GT 420M was a mobile graphics chip by NVIDIA, launched on September 3rd, 2010. Built on the 40 nm process, and based on the GF108 graphics processor, in its N11P-GE-A1 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 GF108 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 4 ROPs. NVIDIA has paired 1,024 MB DDR3 memory with the GeForce GT 420M, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 500 MHz, memory is running at 800 MHz.
Its power draw is rated at 23 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 GT 420M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Its power draw is rated at 23 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 GT 420M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Graphics Processor
Mobile Graphics
- Release Date
- Sep 3rd, 2010
- Generation
- GeForce 400M
- Predecessor
- GeForce 300M
- Successor
- GeForce 500M
- 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
- 500 MHz
- Shader Clock
- 1000 MHz
- Memory Clock
-
800 MHz
1600 Mbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- DDR3
- Memory Bus
- 128 bit
- Bandwidth
- 25.60 GB/s
Render Config
- Shading Units
- 96
- TMUs
- 16
- ROPs
- 4
- SM Count
- 2
- L1 Cache
- 64 KB (per SM)
- L2 Cache
- 256 KB
Theoretical Performance
- Pixel Rate
- 2.000 GPixel/s
- Texture Rate
- 8.000 GTexel/s
- FP32 (float)
- 192.0 GFLOPS
- FP64 (double)
- 16.00 GFLOPS (1:12)
Board Design
- Slot Width
- IGP
- TDP
- 23 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
GF108 GPU Notes
| PureVideo HD: VP4 VDPAU: Feature Set C |
Apr 26th, 2024 11:34 EDT
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