NVIDIA GeForce GT 620M vs NVIDIA GeForce RTX 4090 Mobile

VS

NVIDIA GeForce GT 620M NVIDIA GeForce RTX 4090 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 16GB VRAM GeForce RTX 4090 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 120W)

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 10 years and 5 months late

Boost Clock1695MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)

9632 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M

0.253 TFLOPS

GeForce RTX 4090 Mobile +12935%

32.98 TFLOPS

GeForce GT 620M

VS

GeForce RTX 4090 Mobile

Graphics Card

Aug 2012

Release Date

Jan 2023

GeForce 600M

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1335 MHz

-

Boost Clock

1695 MHz

900 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

576.0GB/s

Render Config

2

SM Count

76

-

Compute Units

-

96

Shading Units

9728

16

TMUs

304

4

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

64 KB (per SM)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

189.8 GPixel/s

10.56 GTexel/s

Texture Rate

515.3 GTexel/s

-

FP16 (half)

32.98 TFLOPS

253.4 GFLOPS

FP32 (float)

32.98 TFLOPS

21.12 GFLOPS

FP64 (double)

515.3 GFLOPS

Graphics Processor

GF108

GPU Name

AD103

N13P-GLP-A1

GPU Variant

GN21-X11

Fermi

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

0.585 billion

Transistors

45.9 billion

116 mm²

Die Size

379 mm²

Board Design

15W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

8.9

5.1

Shader Model

6.7

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