NVIDIA T400 vs NVIDIA GeForce GT 620 OEM

VS

We compared two Desktop platform GPUs: 2GB VRAM T400 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Released 9 years and 1 months late

Boost Clock1425MHz

Larger VRAM bandwidth (80.00GB/s vs 14.37GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

T400 +601%

1.094 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

T400

VS

GeForce GT 620 OEM

Graphics Card

May 2021

Release Date

Apr 2012

Quadro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

420 MHz

Base Clock

-

1425 MHz

Boost Clock

-

1250 MHz

Memory Clock

898 MHz

Memory

2GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

64bit

80.00GB/s

Bandwidth

14.37GB/s

Render Config

6

SM Count

1

-

Compute Units

-

384

Shading Units

48

24

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

128 KB

Theoretical Performance

22.80 GPixel/s

Pixel Rate

1.620 GPixel/s

34.20 GTexel/s

Texture Rate

6.480 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

155.5 GFLOPS

34.20 GFLOPS

FP64 (double)

12.96 GFLOPS

Graphics Processor

TU117

GPU Name

GF119

-

GPU Variant

-

Turing

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

4.7 billion

Transistors

0.292 billion

200 mm²

Die Size

79 mm²

Board Design

30W

TDP

30W

200 W

Suggested PSU

200 W

3x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

2.1

6.6

Shader Model

5.1

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