NVIDIA Tesla K40st vs NVIDIA RTX A4000

VS

We compared two Professional market GPUs: 12GB VRAM Tesla K40st and 16GB VRAM RTX A4000 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 Clock1560MHz

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)

Tesla K40st

3.312 TFLOPS

RTX A4000 +478%

19.17 TFLOPS

Tesla K40st

VS

RTX A4000

Graphics Card

Nov 2013

Release Date

Apr 2021

Tesla

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1560 MHz

1502 MHz

Memory Clock

1750 MHz

Memory

12GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

48

-

Compute Units

-

2880

Shading Units

6144

240

TMUs

192

48

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

4 MB

Theoretical Performance

34.50 GPixel/s

Pixel Rate

149.8 GPixel/s

138.0 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

3.312 TFLOPS

FP32 (float)

19.17 TFLOPS

1104 GFLOPS

FP64 (double)

299.5 GFLOPS

Graphics Processor

GK110B

GPU Name

GA104

-

GPU Variant

GA104-875-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

17.4 billion

561 mm²

Die Size

392 mm²

Board Design

245W

TDP

140W

550 W

Suggested PSU

300 W

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

1x 6-pin

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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