NVIDIA GRID A100B vs NVIDIA RTX A4 Mobile

VS

NVIDIA GRID A100B

NVIDIA RTX A4 Mobile

We compared two Professional market GPUs: 48GB VRAM GRID A100B and 4GB VRAM RTX A4 Mobile 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 4GB)

Larger VRAM bandwidth (1866GB/s vs 224.0GB/s)

4864 additional rendering cores

NVIDIA RTX A4 Mobile 's Advantages

Released 11 months late

Boost Clock has increased by 76% (1770MHz vs 1005MHz)

Score

Benchmark

FP32 (float)

GRID A100B +91%

13.89 TFLOPS

RTX A4 Mobile

7.25 TFLOPS

GRID A100B

VS

RTX A4 Mobile

Graphics Card

May 2020

Release Date

Apr 2021

GRID

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

900 MHz

Base Clock

1297 MHz

1005 MHz

Boost Clock

1770 MHz

1215 MHz

Memory Clock

1750 MHz

Memory

48GB

Memory Size

4GB

HBM2e

Memory Type

GDDR6

6144bit

Memory Bus

128bit

1866GB/s

Bandwidth

224.0GB/s

Render Config

-

108

SM Count

16

6912

Shading Units

2048

432

TMUs

64

192

ROPs

32

432

Tensor Cores

64

-

RT Cores

16

192 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

2 MB

-

Theoretical Performance

193.0 GPixel/s

Pixel Rate

56.64 GPixel/s

434.2 GTexel/s

Texture Rate

113.3 GTexel/s

55.57 TFLOPS

FP16 (half)

7.250 TFLOPS

13.89 TFLOPS

FP32 (float)

7.250 TFLOPS

6.947 TFLOPS

FP64 (double)

113.3 GFLOPS

Board Design

400W

TDP

Unknown

800 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA100

GPU Name

GA107

-

Ampere

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

54.2 billion

Transistors

8.7 billion

826 mm²

Die Size

200 mm²

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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