NVIDIA Tesla D870 vs NVIDIA Quadro K620M

VS

NVIDIA Tesla D870

NVIDIA Quadro K620M

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

Main Differences

NVIDIA Tesla D870 's Advantages

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

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)

Score

Benchmark

FP32 (float)

Tesla D870

0.346 TFLOPS

Quadro K620M +149%

0.863 TFLOPS

Tesla D870

VS

Quadro K620M

Graphics Card

May 2007

Release Date

Mar 2015

Tesla

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 1.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

800 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

384bit

Memory Bus

64bit

76.80GB/s

Bandwidth

14.40GB/s

Render Config

-

16

SM Count

-

128

Shading Units

384

32

TMUs

16

24

ROPs

8

-

L1 Cache

64 KB (per SMM)

96 KB

L2 Cache

1024 KB

-

Theoretical Performance

14.40 GPixel/s

Pixel Rate

8.992 GPixel/s

38.40 GTexel/s

Texture Rate

17.98 GTexel/s

-

345.6 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

520W

TDP

30W

900 W

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G80

GPU Name

GM108

-

GPU Variant

N15M-Q3

Tesla

Architecture

Maxwell

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

Unknown

484 mm²

Die Size

Unknown

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

3.0

N/A

Vulkan

1.3

1.0

CUDA

5.0

4.0

Shader Model

5.1

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