NVIDIA Tesla K40t vs NVIDIA RTX A6000

VS

NVIDIA Tesla K40t

NVIDIA RTX A6000

We compared two Professional market GPUs: 12GB VRAM Tesla K40t and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40t 's Advantages

Lower TDP (245W vs 300W)

NVIDIA RTX A6000 's Advantages

Released 6 years and 11 months late

Boost Clock has increased by 105% (1800MHz vs 876MHz)

More VRAM (48GB vs 12GB)

Larger VRAM bandwidth (768.0GB/s vs 288.4GB/s)

7872 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K40t

5.046 TFLOPS

RTX A6000 +667%

38.71 TFLOPS

Tesla K40t

VS

RTX A6000

Graphics Card

Nov 2013

Release Date

Oct 2020

Tesla

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

745 MHz

Base Clock

1410 MHz

876 MHz

Boost Clock

1800 MHz

1502 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

84

2880

Shading Units

10752

240

TMUs

336

48

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

6 MB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

201.6 GPixel/s

210.2 GTexel/s

Texture Rate

604.8 GTexel/s

-

FP16 (half)

38.71 TFLOPS

5.046 TFLOPS

FP32 (float)

38.71 TFLOPS

1.682 TFLOPS

FP64 (double)

604.8 GFLOPS

Board Design

245W

TDP

300W

550 W

Suggested PSU

700 W

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

8-pin EPS

Graphics Processor

GK110B

GPU Name

GA102

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

28.3 billion

561 mm²

Die Size

628 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

8.6

5.1

Shader Model

6.7

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