NVIDIA RTX A4000 Mobile vs NVIDIA Tesla K20Xm

VS

NVIDIA RTX A4000 Mobile

NVIDIA Tesla K20Xm

We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 6GB VRAM Tesla K20Xm 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 5 months late

Boost Clock1680MHz

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (384.0GB/s vs 249.6GB/s)

2432 additional rendering cores

Lower TDP (115W vs 235W)

Score

Benchmark

FP32 (float)

RTX A4000 Mobile +337%

17.2 TFLOPS

Tesla K20Xm

3.935 TFLOPS

Blender

RTX A4000 Mobile +659%

2825

Tesla K20Xm

372

OctaneBench

RTX A4000 Mobile +376%

300

Tesla K20Xm

63

RTX A4000 Mobile

VS

Tesla K20Xm

Graphics Card

Apr 2021

Release Date

Nov 2012

Quadro Ampere-M

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1140 MHz

Base Clock

-

1680 MHz

Boost Clock

-

1500 MHz

Memory Clock

1300 MHz

Memory

8GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

384.0GB/s

Bandwidth

249.6GB/s

Render Config

-

40

SM Count

-

5120

Shading Units

2688

160

TMUs

224

80

ROPs

48

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1536 KB

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

40.99 GPixel/s

268.8 GTexel/s

Texture Rate

164.0 GTexel/s

17.20 TFLOPS

FP16 (half)

-

17.20 TFLOPS

FP32 (float)

3.935 TFLOPS

268.8 GFLOPS

FP64 (double)

1312 GFLOPS

Board Design

115W

TDP

235W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

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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