NVIDIA RTX A4000 vs NVIDIA Quadro P620

VS

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 2GB VRAM Quadro P620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 15% (1560MHz vs 1354MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 80.13GB/s)

5632 additional rendering cores

NVIDIA Quadro P620 's Advantages

Lower TDP (40W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000 +1283%

19.17 TFLOPS

Quadro P620

1.386 TFLOPS

Blender

RTX A4000 +2826%

3658

Quadro P620

125

OctaneBench

RTX A4000 +1300%

350

Quadro P620

25

RTX A4000

VS

Quadro P620

Graphics Card

Apr 2021

Release Date

Feb 2018

Quadro Ampere

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

1266 MHz

1560 MHz

Boost Clock

1354 MHz

1750 MHz

Memory Clock

1252 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

80.13GB/s

Render Config

48

SM Count

4

-

Compute Units

-

6144

Shading Units

512

192

TMUs

32

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

48 KB (per SM)

4 MB

L2 Cache

1024 KB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

21.66 GPixel/s

299.5 GTexel/s

Texture Rate

43.33 GTexel/s

19.17 TFLOPS

FP16 (half)

21.66 GFLOPS

19.17 TFLOPS

FP32 (float)

1386 GFLOPS

299.5 GFLOPS

FP64 (double)

43.33 GFLOPS

Graphics Processor

GA104

GPU Name

GP107

GA104-875-A1

GPU Variant

-

Ampere

Architecture

Pascal

Samsung

Foundry

Samsung

8 nm

Process Size

14 nm

17.4 billion

Transistors

3.3 billion

392 mm²

Die Size

132 mm²

Board Design

140W

TDP

40W

300 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

6.1

6.7

Shader Model

6.4

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