NVIDIA RTX A4500 vs NVIDIA Tesla K20X

VS

NVIDIA RTX A4500

NVIDIA Tesla K20X

We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4500 's Advantages

Released 9 years late

Boost Clock1650MHz

More VRAM (20GB vs 6GB)

Larger VRAM bandwidth (640.0GB/s vs 249.6GB/s)

4480 additional rendering cores

Lower TDP (200W vs 235W)

Score

Benchmark

FP32 (float)

RTX A4500 +501%

23.65 TFLOPS

Tesla K20X

3.935 TFLOPS

RTX A4500

VS

Tesla K20X

Graphics Card

Nov 2021

Release Date

Nov 2012

Quadro Ampere

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

1300 MHz

Memory

20GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

384bit

640.0GB/s

Bandwidth

249.6GB/s

Render Config

-

56

SM Count

-

7168

Shading Units

2688

224

TMUs

224

96

ROPs

48

224

Tensor Cores

-

56

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

1536 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

40.99 GPixel/s

369.6 GTexel/s

Texture Rate

164.0 GTexel/s

23.65 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

3.935 TFLOPS

369.6 GFLOPS

FP64 (double)

1312 GFLOPS

Board Design

200W

TDP

235W

550 W

Suggested PSU

550 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA102

GPU Name

GK110

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

7.08 billion

628 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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