NVIDIA RTX A4 Mobile vs NVIDIA Tesla K20m

VS

NVIDIA RTX A4 Mobile

NVIDIA Tesla K20m

We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 5GB VRAM Tesla K20m to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4 Mobile 's Advantages

Released 8 years and 3 months late

Boost Clock1770MHz

Larger VRAM bandwidth (224.0GB/s vs 208.0GB/s)

NVIDIA Tesla K20m 's Advantages

More VRAM (5GB vs 4GB)

448 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4 Mobile +105%

7.25 TFLOPS

Tesla K20m

3.524 TFLOPS

RTX A4 Mobile

VS

Tesla K20m

Graphics Card

Apr 2021

Release Date

Jan 2013

Quadro Ampere-M

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1297 MHz

Base Clock

-

1770 MHz

Boost Clock

-

1750 MHz

Memory Clock

1300 MHz

Memory

4GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

320bit

224.0GB/s

Bandwidth

208.0GB/s

Render Config

-

16

SM Count

-

2048

Shading Units

2496

64

TMUs

208

32

ROPs

40

64

Tensor Cores

-

16

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

1280 KB

-

Theoretical Performance

56.64 GPixel/s

Pixel Rate

36.71 GPixel/s

113.3 GTexel/s

Texture Rate

146.8 GTexel/s

7.250 TFLOPS

FP16 (half)

-

7.250 TFLOPS

FP32 (float)

3.524 TFLOPS

113.3 GFLOPS

FP64 (double)

1175 GFLOPS

Board Design

Unknown

TDP

225W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA107

GPU Name

GK110

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

7.08 billion

200 mm²

Die Size

561 mm²

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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