NVIDIA A100 PCIe 80 GB vs NVIDIA RTX A5000

VS

We compared two Professional market GPUs: 80GB VRAM A100 PCIe 80 GB and 24GB VRAM RTX A5000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A100 PCIe 80 GB 's Advantages

More VRAM (80GB vs 24GB)

Larger VRAM bandwidth (1935GB/s vs 768.0GB/s)

NVIDIA RTX A5000 's Advantages

Boost Clock has increased by 20% (1695MHz vs 1410MHz)

1280 additional rendering cores

Lower TDP (230W vs 300W)

Score

Benchmark

FP32 (float)

A100 PCIe 80 GB

19.49 TFLOPS

RTX A5000 +42%

27.77 TFLOPS

Blender

A100 PCIe 80 GB

3823

RTX A5000 +31%

5029

OctaneBench

A100 PCIe 80 GB

310

RTX A5000 +84%

572

A100 PCIe 80 GB

VS

RTX A5000

Graphics Card

Jun 2021

Release Date

Apr 2021

Tesla Ampere

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1065 MHz

Base Clock

1170 MHz

1410 MHz

Boost Clock

1695 MHz

1512 MHz

Memory Clock

2000 MHz

Memory

80GB

Memory Size

24GB

HBM2e

Memory Type

GDDR6

5120bit

Memory Bus

384bit

1935GB/s

Bandwidth

768.0GB/s

Render Config

108

SM Count

64

-

Compute Units

-

6912

Shading Units

8192

432

TMUs

256

160

ROPs

96

432

Tensor Cores

256

-

RT Cores

64

192 KB (per SM)

L1 Cache

128 KB (per SM)

80 MB

L2 Cache

6 MB

Theoretical Performance

225.6 GPixel/s

Pixel Rate

162.7 GPixel/s

609.1 GTexel/s

Texture Rate

433.9 GTexel/s

77.97 TFLOPS

FP16 (half)

27.77 TFLOPS

19.49 TFLOPS

FP32 (float)

27.77 TFLOPS

9.746 TFLOPS

FP64 (double)

433.9 GFLOPS

Graphics Processor

GA100

GPU Name

GA102

-

GPU Variant

-

Ampere

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

54.2 billion

Transistors

28.3 billion

826 mm²

Die Size

628 mm²

Board Design

300W

TDP

230W

700 W

Suggested PSU

550 W

No outputs

Outputs

4x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 8-pin

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

8.0

CUDA

8.6

N/A

Shader Model

6.7

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