NVIDIA RTX A5000 vs NVIDIA Tesla K20c

VS

We compared two Professional market GPUs: 24GB VRAM RTX A5000 and 5GB VRAM Tesla K20c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A5000 's Advantages

Released 8 years and 5 months late

Boost Clock1695MHz

More VRAM (24GB vs 5GB)

Larger VRAM bandwidth (768.0GB/s vs 208.0GB/s)

5696 additional rendering cores

NVIDIA Tesla K20c 's Advantages

Lower TDP (225W vs 230W)

Score

Benchmark

FP32 (float)

RTX A5000 +688%

27.77 TFLOPS

Tesla K20c

3.524 TFLOPS

OctaneBench

RTX A5000 +940%

572

Tesla K20c

55

RTX A5000

VS

Tesla K20c

Graphics Card

Apr 2021

Release Date

Nov 2012

Quadro Ampere

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1170 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

1300 MHz

Memory

24GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

320bit

768.0GB/s

Bandwidth

208.0GB/s

Render Config

64

SM Count

-

Compute Units

-

8192

Shading Units

2496

256

TMUs

208

96

ROPs

40

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

1280 KB

Theoretical Performance

162.7 GPixel/s

Pixel Rate

36.71 GPixel/s

433.9 GTexel/s

Texture Rate

146.8 GTexel/s

27.77 TFLOPS

FP16 (half)

-

27.77 TFLOPS

FP32 (float)

3.524 TFLOPS

433.9 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

230W

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

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