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NVIDIA Quadro NVS 420

G98 x2
Graphics Processor
8 x2
Cores
8 x2
TMUs
4 x2
ROPs
256 MB x2
Memory Size
GDDR3
Memory Type
64 bit x2
Bus Width
NVIDIA Quadro NVS 420 Photo NVIDIA G98 Photo
The Quadro NVS 420 was a professional graphics card by NVIDIA, launched in January 2009. Built on the 65 nm process, and based on the G98 graphics processor, the card supports DirectX 10.0. The G98 graphics processor is a relatively small chip with a die area of only 86 mm² and 210 million transistors. Quadro NVS 420 combines two graphics processors to increase performance. It features 8 shading units, 8 texture mapping units and 4 ROPs per GPU. NVIDIA has placed 512 MB GDDR3 memory on the card, which are connected using a 64-bit memory interface per GPU (each GPU manages 256 MB). The GPU is operating at a frequency of 550 MHz, memory is running at 700 MHz.
Being a single-slot card, the NVIDIA Quadro NVS 420 does not require any additional power connector, its power draw is rated at 40 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Quadro NVS 420 is connected to the rest of the system using a PCI-Express 1.0 x16 interface.

Graphics Processor

GPU Name
G98
Architecture
Tesla
Foundry
TSMC
Process Size
65 nm
Transistors
210 million
Die Size
86 mm²

Graphics Card

Release Date
Jan 20th, 2009
Generation
Quadro NVS
Production
End-of-life
Bus Interface
PCIe 1.0 x16

Relative Performance

100%
Quadro NVS 420
102%
131%
161%
206%
242%
256%
317%
413%
419%
455%
480%
490%
563%
598%
641%
663%
690%
712%
760%
801%
819%
843%
872%
996%
1004%
1022%
1035%
1037%
1048%
1057%
1118%
1176%
1196%
1240%
1249%
1262%
1273%
1277%
1280%
1305%
1368%
1394%
1495%
1523%
1523%
1587%
1591%
1648%
1759%
1814%
1824%
1857%
1866%
1931%
1955%
1968%
2003%
2096%
2137%
2171%
2172%
2179%
2185%
2360%
2380%
2438%
2468%
2479%
2499%
2505%
2548%
2554%
2625%
2826%
2899%
2974%
2991%
3021%
3052%
3123%
3205%
3280%
3358%
3405%
3408%
3775%
4154%
4211%
4493%
4518%
4578%
4638%
4678%
4700%
4768%
4789%
4812%
4852%
5113%
5219%
5286%
5286%
5815%
5915%
6015%
6466%
7101%
7352%
7920%
7920%
8354%
9323%
9774%
10025%
10927%
12431%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
550 MHz
Shader Clock
1400 MHz
Memory Clock
700 MHz
1400 MHz effective

Memory

Memory Size
256 MB
Memory Type
GDDR3
Memory Bus
64 bit
Bandwidth
11.20 GB/s

Render Config

Shading Units
8
TMUs
8
ROPs
4
SM Count
1

Theoretical Performance

Pixel Rate
2.200 GPixel/s
Texture Rate
4.400 GTexel/s
FP32 (float) performance
22.40 GFLOPS

Board Design

Slot Width
Single-slot
TDP
40 W
Outputs
No outputs
Power Connectors
None
Board Number
P737

Graphics Features

DirectX
10.0
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
CUDA
1.1
Shader Model
4.0

G98 GPU Notes

PureVideo HD: VP3
VDPAU: Feature Set B