NVIDIA GeForce RTX 4090D vs NVIDIA GeForce GT 620 OEM

VS

NVIDIA GeForce RTX 4090D

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D 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 GeForce RTX 4090D 's Advantages

Released 11 years and 8 months late

Boost Clock2520MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1008GB/s vs 14.37GB/s)

14544 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090D +47041%

73.54 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

GeForce RTX 4090D

VS

GeForce GT 620 OEM

Graphics Card

Dec 2023

Release Date

Apr 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2280 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

898 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

64bit

1008GB/s

Bandwidth

14.37GB/s

Render Config

-

114

SM Count

1

14592

Shading Units

48

456

TMUs

8

176

ROPs

4

456

Tensor Cores

-

114

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

72 MB

L2 Cache

128 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

1.620 GPixel/s

1149 GTexel/s

Texture Rate

6.480 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

155.5 GFLOPS

1149 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

425W

TDP

30W

800 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

GF119

AD102-250-A1

GPU Variant

-

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

0.292 billion

609 mm²

Die Size

79 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

2.1

6.7

Shader Model

5.1

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