NVIDIA Quadro K620 vs NVIDIA Tesla S870

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 1536MB VRAM Tesla S870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Released 7 years and 2 months late

Boost Clock1124MHz

More VRAM (2GB vs 1GB)

256 additional rendering cores

Lower TDP (45W vs 800W)

NVIDIA Tesla S870 's Advantages

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

Score

Benchmark

FP32 (float)

Quadro K620 +149%

0.863 TFLOPS

Tesla S870

0.346 TFLOPS

Quadro K620

VS

Tesla S870

Graphics Card

Jul 2014

Release Date

May 2007

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 1.0 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

16

-

Compute Units

-

384

Shading Units

128

24

TMUs

32

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

96 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

14.40 GPixel/s

26.98 GTexel/s

Texture Rate

38.40 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

345.6 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM107

GPU Name

G80

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

1.87 billion

Transistors

0.681 billion

148 mm²

Die Size

484 mm²

Board Design

45W

TDP

800W

200 W

Suggested PSU

1200 W

1x DVI 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

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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