NVIDIA Quadro K620 vs NVIDIA Quadro FX 4800

VS

NVIDIA Quadro K620

NVIDIA Quadro FX 4800

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 1536MB VRAM Quadro FX 4800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Released 5 years and 8 months late

Boost Clock1124MHz

More VRAM (2GB vs 1536GB)

192 additional rendering cores

Lower TDP (45W vs 150W)

NVIDIA Quadro FX 4800 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Quadro K620 +86%

0.863 TFLOPS

Quadro FX 4800

0.462 TFLOPS

Quadro K620

VS

Quadro FX 4800

Graphics Card

Jul 2014

Release Date

Nov 2008

Quadro

Generation

Quadro FX

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1058 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

24

384

Shading Units

192

24

TMUs

64

16

ROPs

24

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

192 KB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

14.45 GPixel/s

26.98 GTexel/s

Texture Rate

38.53 GTexel/s

-

863.2 GFLOPS

FP32 (float)

462.3 GFLOPS

26.98 GFLOPS

FP64 (double)

57.79 GFLOPS

Board Design

45W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.4a

Outputs

1x DVI 2x DisplayPort 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GM107

GPU Name

GT200B

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.87 billion

Transistors

1.4 billion

148 mm²

Die Size

470 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.3

5.1

Shader Model

4.0

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