NVIDIA RTX A4 Mobile vs NVIDIA GRID A100B

VS

We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 48GB VRAM GRID A100B to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4 Mobile 's Advantages

Released 11 months late

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

NVIDIA GRID A100B 's Advantages

More VRAM (48GB vs 4GB)

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

4864 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4 Mobile

7.25 TFLOPS

GRID A100B +91%

13.89 TFLOPS

RTX A4 Mobile

VS

GRID A100B

Graphics Card

Apr 2021

Release Date

May 2020

Quadro Ampere-M

Generation

GRID

Professional

Type

Professional

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1297 MHz

Base Clock

900 MHz

1770 MHz

Boost Clock

1005 MHz

1750 MHz

Memory Clock

1215 MHz

Memory

4GB

Memory Size

48GB

GDDR6

Memory Type

HBM2e

128bit

Memory Bus

6144bit

224.0GB/s

Bandwidth

1866GB/s

Render Config

16

SM Count

108

-

Compute Units

-

2048

Shading Units

6912

64

TMUs

432

32

ROPs

192

64

Tensor Cores

432

16

RT Cores

-

128 KB (per SM)

L1 Cache

192 KB (per SM)

2 MB

L2 Cache

48 MB

Theoretical Performance

56.64 GPixel/s

Pixel Rate

193.0 GPixel/s

113.3 GTexel/s

Texture Rate

434.2 GTexel/s

7.250 TFLOPS

FP16 (half)

55.57 TFLOPS

7.250 TFLOPS

FP32 (float)

13.89 TFLOPS

113.3 GFLOPS

FP64 (double)

6.947 TFLOPS

Graphics Processor

GA107

GPU Name

GA100

-

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

8.7 billion

Transistors

54.2 billion

200 mm²

Die Size

826 mm²

Board Design

Unknown

TDP

400W

-

Suggested PSU

800 W

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.6

CUDA

8.0

6.7

Shader Model

N/A

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