NVIDIA Tesla X2070 vs NVIDIA Quadro K420

VS

NVIDIA Tesla X2070

NVIDIA Quadro K420

We compared two Professional market GPUs: 6GB VRAM Tesla X2070 and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla X2070 's Advantages

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (177.4GB/s vs 28.51GB/s)

256 additional rendering cores

NVIDIA Quadro K420 's Advantages

Released 3 years late

Lower TDP (41W vs 225W)

Score

Benchmark

FP32 (float)

Tesla X2070 +247%

1.166 TFLOPS

Quadro K420

0.336 TFLOPS

Tesla X2070

VS

Quadro K420

Graphics Card

Jul 2011

Release Date

Jul 2014

Tesla

Generation

Quadro

Professional

Type

Professional

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

924 MHz

Memory Clock

891 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

177.4GB/s

Bandwidth

28.51GB/s

Render Config

-

14

SM Count

-

448

Shading Units

192

56

TMUs

16

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

18.23 GPixel/s

Pixel Rate

3.504 GPixel/s

36.46 GTexel/s

Texture Rate

14.02 GTexel/s

-

1166 GFLOPS

FP32 (float)

336.4 GFLOPS

582.8 GFLOPS

FP64 (double)

14.02 GFLOPS

Board Design

225W

TDP

41W

550 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.2

-

Power Connectors

None

Graphics Processor

GF100

GPU Name

GK107

GF100-876-A3

GPU Variant

GK107-301-A2

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

1.27 billion

529 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.0

5.1

Shader Model

5.1

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