NVIDIA Quadro RTX 8000 vs NVIDIA RTX A4000

VS

NVIDIA Quadro RTX 8000

NVIDIA RTX A4000

We compared two Professional market GPUs: 48GB VRAM Quadro RTX 8000 and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro RTX 8000 's Advantages

Boost Clock has increased by 13% (1770MHz vs 1560MHz)

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (672.0GB/s vs 448.0GB/s)

NVIDIA RTX A4000 's Advantages

Released 2 years and 8 months late

1536 additional rendering cores

Lower TDP (140W vs 260W)

Score

Benchmark

FP32 (float)

Quadro RTX 8000

16.31 TFLOPS

RTX A4000 +17%

19.17 TFLOPS

Blender

Quadro RTX 8000 +2%

3259

RTX A4000

3190

OctaneBench

Quadro RTX 8000

337

RTX A4000 +4%

352

Quadro RTX 8000

VS

RTX A4000

Graphics Card

Aug 2018

Release Date

Apr 2021

Quadro

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1395 MHz

Base Clock

735 MHz

1770 MHz

Boost Clock

1560 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

48GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

672.0GB/s

Bandwidth

448.0GB/s

Render Config

-

72

SM Count

48

4608

Shading Units

6144

288

TMUs

192

96

ROPs

96

576

Tensor Cores

192

72

RT Cores

48

64 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

4 MB

-

Theoretical Performance

169.9 GPixel/s

Pixel Rate

149.8 GPixel/s

509.8 GTexel/s

Texture Rate

299.5 GTexel/s

32.62 TFLOPS

FP16 (half)

19.17 TFLOPS

16.31 TFLOPS

FP32 (float)

19.17 TFLOPS

509.8 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

260W

TDP

140W

600 W

Suggested PSU

300 W

4x DisplayPort 1.4a 1x USB Type-C

Outputs

4x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

TU102

GPU Name

GA104

TU102-875-A1

GPU Variant

GA104-875-A1

Turing

Architecture

Ampere

TSMC

Foundry

Samsung

12 nm

Process Size

8 nm

18.6 billion

Transistors

17.4 billion

754 mm²

Die Size

392 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

7.5

CUDA

8.6

6.6

Shader Model

6.7

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