NVIDIA GRID A100B vs NVIDIA RTX A4500

VS

We compared two Professional market GPUs: 48GB VRAM GRID A100B and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100B 's Advantages

More VRAM (48GB vs 20GB)

Larger VRAM bandwidth (1866GB/s vs 640.0GB/s)

NVIDIA RTX A4500 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 64% (1650MHz vs 1005MHz)

256 additional rendering cores

Lower TDP (200W vs 400W)

Score

Benchmark

FP32 (float)

GRID A100B

13.89 TFLOPS

RTX A4500 +70%

23.65 TFLOPS

GRID A100B

VS

RTX A4500

Graphics Card

May 2020

Release Date

Nov 2021

GRID

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1050 MHz

1005 MHz

Boost Clock

1650 MHz

1215 MHz

Memory Clock

2000 MHz

Memory

48GB

Memory Size

20GB

HBM2e

Memory Type

GDDR6

6144bit

Memory Bus

320bit

1866GB/s

Bandwidth

640.0GB/s

Render Config

108

SM Count

56

-

Compute Units

-

6912

Shading Units

7168

432

TMUs

224

192

ROPs

96

432

Tensor Cores

224

-

RT Cores

56

192 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

6 MB

Theoretical Performance

193.0 GPixel/s

Pixel Rate

158.4 GPixel/s

434.2 GTexel/s

Texture Rate

369.6 GTexel/s

55.57 TFLOPS

FP16 (half)

23.65 TFLOPS

13.89 TFLOPS

FP32 (float)

23.65 TFLOPS

6.947 TFLOPS

FP64 (double)

369.6 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

400W

TDP

200W

800 W

Suggested PSU

550 W

No outputs

Outputs

4x DisplayPort 1.4a

None

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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