NVIDIA Tesla K40st vs NVIDIA Quadro NVS 420

VS

NVIDIA Tesla K40st

NVIDIA Quadro NVS 420

We compared two Professional market GPUs: 12GB VRAM Tesla K40st 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 K40st 's Advantages

Released 4 years and 10 months late

More VRAM (12GB vs 256GB)

Larger VRAM bandwidth (288.4GB/s vs 11.20GB/s)

2872 additional rendering cores

NVIDIA Quadro NVS 420 's Advantages

Lower TDP (40W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40st +14954%

3.312 TFLOPS

Quadro NVS 420

0.022 TFLOPS

Tesla K40st

VS

Quadro NVS 420

Graphics Card

Nov 2013

Release Date

Jan 2009

Tesla

Generation

Quadro NVS

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1502 MHz

Memory Clock

700 MHz

Memory

12GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

64bit

288.4GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

1

2880

Shading Units

8

240

TMUs

4

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

16 KB

-

Theoretical Performance

34.50 GPixel/s

Pixel Rate

2.200 GPixel/s

138.0 GTexel/s

Texture Rate

2.200 GTexel/s

-

3.312 TFLOPS

FP32 (float)

22.40 GFLOPS

1104 GFLOPS

FP64 (double)

-

Board Design

245W

TDP

40W

550 W

Suggested PSU

200 W

No outputs

Outputs

1x VHDCI

-

Power Connectors

None

Graphics Processor

GK110B

GPU Name

G98

-

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_1)

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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