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NVIDIA GeForce GT 420M

GF108
Graphics Processor
96
Cores
16
TMUs
4
ROPs
512 MB
Memory Size
DDR3
Memory Type
128 bit
Bus Width
NVIDIA GeForce GT 420M Image NVIDIA GF108 Image
The GeForce GT 420M was a graphics card by NVIDIA, launched in September 2010. Built on the 40 nm process, and based on the GF108 graphics processor, in its N11P-GE-A1 variant, the card supports DirectX 11.0. 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 placed 512 MB DDR3 memory on the card, 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. GeForce GT 420M is connected to the rest of the system using a PCIe 2.0 x16 interface.

Graphics Processor

GPU Name: GF108
GPU Variant: N11P-GE-A1
Architecture: Fermi
Process Size: 40 nm
Transistors: 585 million
Die Size: 116 mm²

Graphics Card

Released: Sep 3rd, 2010
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16

Relative Performance

35%
44%
55%
70%
82%
87%
100%
GeForce GT 420M
107%
140%
142%
154%
163%
166%
190%
202%
217%
224%
234%
241%
257%
271%
277%
285%
295%
337%
340%
346%
350%
355%
358%
379%
398%
405%
420%
431%
433%
433%
442%
463%
472%
506%
516%
516%
539%
558%
596%
614%
617%
629%
632%
654%
662%
667%
678%
710%
724%
735%
738%
740%
799%
806%
826%
836%
839%
848%
863%
865%
889%
957%
982%
1007%
1013%
1023%
1034%
1085%
1111%
1137%
1153%
1154%
1278%
1426%
1521%
1530%
1550%
1571%
1592%
1598%
1614%
1621%
1643%
1767%
1790%
1790%
1855%
2025%
2115%
2189%
2397%
2829%
3310%
3409%
Based on TPU review data: "Performance Summary" at 1920x1080
GeForce GT 420M performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock: 500 MHz
Shader Clock: 1000 MHz
Memory Clock: 800 MHz
1600 MHz effective

Memory

Memory Size: 512 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
Pixel Rate: 2.000 GPixel/s
Texture Rate: 8.00 GTexel/s
Floating-point performance: 192.00 GFLOPS

Board Design

TDP: 23 W

Graphics Features

DirectX: 11.0
OpenGL: 4.5
OpenCL: 1.1
CUDA: 2.1
Shader Model: 5.0