NVIDIA RTX A4000 Mobile vs NVIDIA Tesla K20m

VS

NVIDIA RTX A4000 Mobile

NVIDIA Tesla K20m

We compared two Professional market GPUs: 8GB VRAM RTX A4000 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 A4000 Mobile 's Advantages

Released 8 years and 3 months late

Boost Clock1680MHz

More VRAM (8GB vs 5GB)

Larger VRAM bandwidth (384.0GB/s vs 208.0GB/s)

2624 additional rendering cores

Lower TDP (115W vs 225W)

Score

Benchmark

FP32 (float)

RTX A4000 Mobile +388%

17.2 TFLOPS

Tesla K20m

3.524 TFLOPS

RTX A4000 Mobile

VS

Tesla K20m

Graphics Card

Apr 2021

Release Date

Jan 2013

Quadro Ampere-M

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1140 MHz

Base Clock

-

1680 MHz

Boost Clock

-

1500 MHz

Memory Clock

1300 MHz

Memory

8GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

320bit

384.0GB/s

Bandwidth

208.0GB/s

Render Config

-

40

SM Count

-

5120

Shading Units

2496

160

TMUs

208

80

ROPs

40

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1280 KB

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

36.71 GPixel/s

268.8 GTexel/s

Texture Rate

146.8 GTexel/s

17.20 TFLOPS

FP16 (half)

-

17.20 TFLOPS

FP32 (float)

3.524 TFLOPS

268.8 GFLOPS

FP64 (double)

1175 GFLOPS

Board Design

115W

TDP

225W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA104

GPU Name

GK110

-

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

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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