NVIDIA RTX A6000 vs NVIDIA Tesla K20m

VS

We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 5GB VRAM Tesla K20m to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A6000 's Advantages

Released 7 years and 9 months late

Boost Clock1800MHz

More VRAM (48GB vs 5GB)

Larger VRAM bandwidth (768.0GB/s vs 208.0GB/s)

8256 additional rendering cores

NVIDIA Tesla K20m 's Advantages

Lower TDP (225W vs 300W)

Score

Benchmark

FP32 (float)

RTX A6000 +998%

38.71 TFLOPS

Tesla K20m

3.524 TFLOPS

RTX A6000

VS

Tesla K20m

Graphics Card

Oct 2020

Release Date

Jan 2013

Quadro Ampere

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1410 MHz

Base Clock

-

1800 MHz

Boost Clock

-

2000 MHz

Memory Clock

1300 MHz

Memory

48GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

320bit

768.0GB/s

Bandwidth

208.0GB/s

Render Config

84

SM Count

-

Compute Units

-

10752

Shading Units

2496

336

TMUs

208

112

ROPs

40

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

1280 KB

Theoretical Performance

201.6 GPixel/s

Pixel Rate

36.71 GPixel/s

604.8 GTexel/s

Texture Rate

146.8 GTexel/s

38.71 TFLOPS

FP16 (half)

-

38.71 TFLOPS

FP32 (float)

3.524 TFLOPS

604.8 GFLOPS

FP64 (double)

1175 GFLOPS

Graphics Processor

GA102

GPU Name

GK110

-

GPU Variant

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

7.08 billion

628 mm²

Die Size

561 mm²

Board Design

300W

TDP

225W

700 W

Suggested PSU

550 W

4x DisplayPort 1.4a

Outputs

No outputs

8-pin EPS

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.5

6.7

Shader Model

5.1

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