NVIDIA Tesla K20c vs NVIDIA Quadro NVS 420

VS

NVIDIA Tesla K20c

NVIDIA Quadro NVS 420

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 256MB VRAM Quadro NVS 420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Released 3 years and 10 months late

More VRAM (5GB vs 256GB)

Larger VRAM bandwidth (208.0GB/s vs 11.20GB/s)

2488 additional rendering cores

NVIDIA Quadro NVS 420 's Advantages

Lower TDP (40W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c +15918%

3.524 TFLOPS

Quadro NVS 420

0.022 TFLOPS

Tesla K20c

VS

Quadro NVS 420

Graphics Card

Nov 2012

Release Date

Jan 2009

Tesla

Generation

Quadro NVS

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

700 MHz

Memory

5GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

320bit

Memory Bus

64bit

208.0GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

1

2496

Shading Units

8

208

TMUs

4

40

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

1280 KB

L2 Cache

16 KB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

2.200 GPixel/s

146.8 GTexel/s

Texture Rate

2.200 GTexel/s

-

3.524 TFLOPS

FP32 (float)

22.40 GFLOPS

1175 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

40W

550 W

Suggested PSU

200 W

No outputs

Outputs

1x VHDCI

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110

GPU Name

G98

GK110-885-KA-A1

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

7.08 billion

Transistors

0.21 billion

561 mm²

Die Size

86 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.1

5.1

Shader Model

4.0

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