NVIDIA GeForce RTX 4090 vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce RTX 4090

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 10 years and 4 months late

Boost Clock2520MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 14.40GB/s)

16288 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +30598%

82.58 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce RTX 4090

VS

GeForce GT 620

Graphics Card

Sep 2022

Release Date

May 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

900 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

64bit

1.01TB/s

Bandwidth

14.40GB/s

Render Config

-

128

SM Count

2

16384

Shading Units

96

512

TMUs

16

176

ROPs

4

512

Tensor Cores

-

128

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

2.800 GPixel/s

1290 GTexel/s

Texture Rate

11.20 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

268.8 GFLOPS

1290 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

450W

TDP

49W

850 W

Suggested PSU

200 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

GF108

AD102-300-A1

GPU Variant

GF108-100-KB-A1

Ada Lovelace

Architecture

Fermi

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

0.585 billion

609 mm²

Die Size

116 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

6.8

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 4090 vs AMD Radeon Pro V320

2

NVIDIA GeForce RTX 4090 vs NVIDIA TITAN Xp

3

NVIDIA GeForce RTX 4090 vs NVIDIA GeForce GTX 650

4

NVIDIA GeForce RTX 4090 vs AMD Radeon Pro V340

5

NVIDIA GeForce RTX 4090 vs NVIDIA GeForce GT 130 Mac Edition

6

NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 4070

7

NVIDIA GeForce RTX 4090 vs ATI FirePro V5800 DVI

8

NVIDIA GeForce RTX 4090 vs AMD Radeon Vega Frontier Edition

9

NVIDIA GeForce RTX 4090 vs AMD Radeon RX 6750 XT

10

NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 3060 Ti

Related News

1

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

2

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

3

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

4

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

5

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

6

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

7

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

8

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

9

World's First! Intel Arc B580 Graphics Card Arrives Early

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster