NVIDIA RTX A4000 vs NVIDIA Tesla K40t

VS

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 12GB VRAM Tesla K40t to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Released 7 years and 5 months late

Boost Clock has increased by 78% (1560MHz vs 876MHz)

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (448.0GB/s vs 288.4GB/s)

3264 additional rendering cores

Lower TDP (140W vs 245W)

Score

Benchmark

FP32 (float)

RTX A4000 +279%

19.17 TFLOPS

Tesla K40t

5.046 TFLOPS

RTX A4000

VS

Tesla K40t

Graphics Card

Apr 2021

Release Date

Nov 2013

Quadro Ampere

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

745 MHz

1560 MHz

Boost Clock

876 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

448.0GB/s

Bandwidth

288.4GB/s

Render Config

48

SM Count

-

Compute Units

-

6144

Shading Units

2880

192

TMUs

240

96

ROPs

48

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1536 KB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

52.56 GPixel/s

299.5 GTexel/s

Texture Rate

210.2 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

5.046 TFLOPS

299.5 GFLOPS

FP64 (double)

1.682 TFLOPS

Graphics Processor

GA104

GPU Name

GK110B

GA104-875-A1

GPU Variant

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

7.08 billion

392 mm²

Die Size

561 mm²

Board Design

140W

TDP

245W

300 W

Suggested PSU

550 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 6-pin

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

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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