NVIDIA Quadro K620M vs NVIDIA Tesla D870

VS

NVIDIA Quadro K620M

NVIDIA Tesla D870

We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 1536MB VRAM Tesla D870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620M 's Advantages

Released 7 years and 10 months late

Boost Clock1124MHz

More VRAM (2GB vs 1536GB)

256 additional rendering cores

Lower TDP (30W vs 520W)

NVIDIA Tesla D870 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Quadro K620M +149%

0.863 TFLOPS

Tesla D870

0.346 TFLOPS

Quadro K620M

VS

Tesla D870

Graphics Card

Mar 2015

Release Date

May 2007

Quadro Mobile

Generation

Tesla

Professional

Type

Professional

MXM-A (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

384bit

14.40GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

16

384

Shading Units

128

16

TMUs

32

8

ROPs

24

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

96 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

14.40 GPixel/s

17.98 GTexel/s

Texture Rate

38.40 GTexel/s

-

863.2 GFLOPS

FP32 (float)

345.6 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

30W

TDP

520W

-

Suggested PSU

900 W

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

G80

N15M-Q3

GPU Variant

-

Maxwell

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

Unknown

Transistors

0.681 billion

Unknown

Die Size

484 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1 (1.0)

1.3

Vulkan

N/A

5.0

CUDA

1.0

5.1

Shader Model

4.0

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