Quadro K1200 vs Quadro K420

VS

NVIDIA Quadro K1200

NVIDIA Quadro K420

We compared two Professional market GPUs: 4GB VRAM Quadro K1200 and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Quadro K1200 Advantages

Released 6 months late

Boost Clock1124MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.00GB/s vs 28.51GB/s)

320 additional rendering cores

Quadro K420 Advantages

Lower TDP (41W vs 45W)

Score

Benchmark

FP32 (float)

Quadro K1200 +242%

1151

Quadro K420

336

Quadro K1200

VS

Quadro K420

Graphics Card

Jan 2015

Release Date

Jul 2014

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1058 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1250 MHz

Memory Clock

891 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

28.51GB/s

Render Config

512

Shading Units

192

32

TMUs

16

ROPs

16

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

3.504 GPixel/s

35.97 GTexel/s

Texture Rate

14.02 GTexel/s

1151 GFLOPS

FP32 (float)

336.4 GFLOPS

35.97 GFLOPS

FP64 (double)

14.02 GFLOPS

Board Design

45W

TDP

41W

200 W

Suggested PSU

200 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI
1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

GK107

GM107-860-A2

GPU Variant

GK107-301-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.27 billion

148 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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