NVIDIA Quadro P620 vs NVIDIA T400 4 GB

VS

We compared a Professional market GPU: 2GB VRAM Quadro P620 and a Desktop platform GPU: 4GB VRAM T400 4 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro P620 's Advantages

Larger VRAM bandwidth (80.13GB/s vs 80.00GB/s)

128 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 5% (1425MHz vs 1354MHz)

More VRAM (4GB vs 2GB)

Lower TDP (30W vs 40W)

Score

Benchmark

FP32 (float)

Quadro P620 +26%

1.386 TFLOPS

T400 4 GB

1.094 TFLOPS

Blender

Quadro P620

125

T400 4 GB +68%

210

OctaneBench

Quadro P620

25

T400 4 GB +28%

32

Quadro P620

VS

T400 4 GB

Graphics Card

Feb 2018

Release Date

May 2021

Quadro

Generation

Quadro

Professional

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1266 MHz

Base Clock

420 MHz

1354 MHz

Boost Clock

1425 MHz

1252 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

80.13GB/s

Bandwidth

80.00GB/s

Render Config

4

SM Count

6

-

Compute Units

-

512

Shading Units

384

32

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

1024 KB

Theoretical Performance

21.66 GPixel/s

Pixel Rate

22.80 GPixel/s

43.33 GTexel/s

Texture Rate

34.20 GTexel/s

21.66 GFLOPS

FP16 (half)

2.189 TFLOPS

1386 GFLOPS

FP32 (float)

1094 GFLOPS

43.33 GFLOPS

FP64 (double)

34.20 GFLOPS

Graphics Processor

GP107

GPU Name

TU117

-

GPU Variant

-

Pascal

Architecture

Turing

Samsung

Foundry

TSMC

14 nm

Process Size

12 nm

3.3 billion

Transistors

4.7 billion

132 mm²

Die Size

200 mm²

Board Design

40W

TDP

30W

200 W

Suggested PSU

200 W

4x mini-DisplayPort 1.4a

Outputs

3x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

6.1

CUDA

7.5

6.4

Shader Model

6.6

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