NVIDIA RTX A4500 vs NVIDIA Tesla K20c

VS

We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 5GB VRAM Tesla K20c 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 5GB)

Larger VRAM bandwidth (640.0GB/s vs 208.0GB/s)

4672 additional rendering cores

Lower TDP (200W vs 225W)

Score

Benchmark

FP32 (float)

RTX A4500 +571%

23.65 TFLOPS

Tesla K20c

3.524 TFLOPS

RTX A4500

VS

Tesla K20c

Graphics Card

Nov 2021

Release Date

Nov 2012

Quadro Ampere

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

1300 MHz

Memory

20GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

320bit

640.0GB/s

Bandwidth

208.0GB/s

Render Config

56

SM Count

-

Compute Units

-

7168

Shading Units

2496

224

TMUs

208

96

ROPs

40

224

Tensor Cores

-

56

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

1280 KB

Theoretical Performance

158.4 GPixel/s

Pixel Rate

36.71 GPixel/s

369.6 GTexel/s

Texture Rate

146.8 GTexel/s

23.65 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

3.524 TFLOPS

369.6 GFLOPS

FP64 (double)

1175 GFLOPS

Graphics Processor

GA102

GPU Name

GK110

-

GPU Variant

GK110-885-KA-A1

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

Board Design

200W

TDP

225W

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 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

Related GPU Comparisons

1

NVIDIA GeForce RTX 4090 vs NVIDIA RTX A4500

2

NVIDIA RTX A4500 vs NVIDIA GeForce RTX 4080

3

NVIDIA RTX A4500 vs NVIDIA RTX A4000

4

NVIDIA L4 vs NVIDIA RTX A4500

5

NVIDIA GeForce RTX 3080 vs NVIDIA RTX A4500

6

NVIDIA RTX 4500 Ada Generation vs NVIDIA RTX A4500

7

NVIDIA RTX A4500 vs NVIDIA RTX 4000 SFF Ada Generation

8

NVIDIA RTX A4500 vs NVIDIA Tesla X2090

9

NVIDIA RTX A4500 vs NVIDIA Quadro K2000

10

NVIDIA RTX A4500 vs NVIDIA Quadro 5000 SDI