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NVIDIA GeForce GT 420 OEM

GF108
Graphics Processor
48
Cores
4
TMUs
4
ROPs
1048 MB
Memory Size
DDR3
Memory Type
128 bit
Bus Width
NVIDIA GeForce GT 420 OEM Image NVIDIA GF108 Image
The GeForce GT 420 OEM 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 GF108-200-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. Unlike the fully unlocked GeForce GT 730, which uses the same GPU but has all 96 shaders enabled, NVIDIA has disabled some shading units on the GeForce GT 420 OEM to reach the product's target shader count. It features 48 shading units, 4 texture mapping units and 4 ROPs. NVIDIA has placed 1,048 MB DDR3 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 700 MHz, memory is running at 900 MHz.
Being a single-slot card, the NVIDIA GeForce GT 420 OEM does not require any additional power connector, its power draw is rated at 50 W maximum. Display outputs include: 1x DVI, 1x HDMI, 1x VGA. GeForce GT 420 OEM is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 145 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name: GF108
GPU Variant: GF108-200-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

46%
59%
73%
93%
100%
GeForce GT 420 OEM
110%
116%
143%
187%
189%
206%
217%
222%
254%
270%
290%
300%
312%
322%
344%
362%
370%
381%
395%
451%
454%
462%
468%
474%
478%
506%
532%
541%
561%
576%
578%
579%
590%
619%
631%
676%
689%
689%
720%
746%
796%
821%
825%
840%
844%
874%
884%
890%
906%
948%
967%
982%
985%
989%
1067%
1077%
1103%
1116%
1121%
1133%
1153%
1155%
1187%
1278%
1311%
1345%
1353%
1366%
1381%
1450%
1483%
1519%
1540%
1541%
1708%
1905%
2032%
2043%
2071%
2098%
2126%
2135%
2157%
2166%
2195%
2361%
2391%
2391%
2479%
2706%
2826%
2925%
3202%
3779%
4421%
Based on TPU review data: "Performance Summary" at 1920x1080
GeForce GT 420 OEM performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock: 700 MHz
Shader Clock: 1400 MHz
Memory Clock: 900 MHz
1800 MHz effective

Memory

Memory Size: 1048 MB
Memory Type: DDR3
Memory Bus: 128 bit
Bandwidth: 28.80 GB/s

Render Config

Shading Units: 48
TMUs: 4
ROPs: 4
SM Count: 1
Pixel Rate: 1.400 GPixel/s
Texture Rate: 2.800 GTexel/s
Floating-point performance: 134.40 GFLOPS

Board Design

Slot Width: Single-slot
Length: 5.7 inches
145 mm
TDP: 50 W
Outputs: 1x DVI
1x HDMI
1x VGA
Power Connectors: None
Board Number: P1071

Graphics Features

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

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GPU-Z Validation

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Card Notes

OEM

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS GT 420 2 GB 700 MHz 900 MHz 2048 MB, 6.6 inches