NVIDIA Quadro K420 vs NVIDIA Quadro K1100M

VS

NVIDIA Quadro K420

NVIDIA Quadro K1100M

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 2GB VRAM Quadro K1100M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Released 1 years late

Lower TDP (41W vs 45W)

NVIDIA Quadro K1100M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (44.80GB/s vs 28.51GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

Quadro K1100M +61%

0.542 TFLOPS

Quadro K420

VS

Quadro K1100M

Graphics Card

Jul 2014

Release Date

Jul 2013

Quadro

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

891 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

44.80GB/s

Render Config

-

192

Shading Units

384

16

TMUs

32

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

5.648 GPixel/s

14.02 GTexel/s

Texture Rate

22.59 GTexel/s

-

336.4 GFLOPS

FP32 (float)

542.2 GFLOPS

14.02 GFLOPS

FP64 (double)

22.59 GFLOPS

Board Design

41W

TDP

45W

200 W

Suggested PSU

-

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK107

GPU Name

GK107

GK107-301-A2

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.27 billion

118 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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