NVIDIA RTX A4000 vs NVIDIA GRID A100A

VS

NVIDIA RTX A4000

NVIDIA GRID A100A

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 48GB VRAM GRID A100A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Released 11 months late

Boost Clock has increased by 55% (1560MHz vs 1005MHz)

Lower TDP (140W vs 400W)

NVIDIA GRID A100A 's Advantages

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (1866GB/s vs 448.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000 +38%

19.17 TFLOPS

GRID A100A

13.89 TFLOPS

RTX A4000

VS

GRID A100A

Graphics Card

Apr 2021

Release Date

May 2020

Quadro Ampere

Generation

GRID

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

735 MHz

Base Clock

900 MHz

1560 MHz

Boost Clock

1005 MHz

1750 MHz

Memory Clock

1215 MHz

Memory

16GB

Memory Size

48GB

GDDR6

Memory Type

HBM2e

256bit

Memory Bus

6144bit

448.0GB/s

Bandwidth

1866GB/s

Render Config

-

48

SM Count

108

6144

Shading Units

6912

192

TMUs

432

96

ROPs

192

Tensor Cores

432

48

RT Cores

-

128 KB (per SM)

L1 Cache

192 KB (per SM)

4 MB

L2 Cache

48 MB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

193.0 GPixel/s

299.5 GTexel/s

Texture Rate

434.2 GTexel/s

19.17 TFLOPS

FP16 (half)

55.57 TFLOPS

19.17 TFLOPS

FP32 (float)

13.89 TFLOPS

299.5 GFLOPS

FP64 (double)

6.947 TFLOPS

Board Design

140W

TDP

400W

300 W

Suggested PSU

800 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 6-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

GA100

GA104-875-A1

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

17.4 billion

Transistors

54.2 billion

392 mm²

Die Size

826 mm²

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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