NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce GT 620M

VS

NVIDIA GeForce RTX 4090 Max-Q

NVIDIA GeForce GT 620M

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

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 10 years and 5 months late

Boost Clock1455MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)

9632 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +11089%

28.31 TFLOPS

GeForce GT 620M

0.253 TFLOPS

GeForce RTX 4090 Max Q

VS

GeForce GT 620M

Graphics Card

Jan 2023

Release Date

Aug 2012

GeForce 40 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

930 MHz

Base Clock

-

1455 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

28.80GB/s

Render Config

-

76

SM Count

2

9728

Shading Units

96

304

TMUs

16

112

ROPs

4

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

163.0 GPixel/s

Pixel Rate

2.640 GPixel/s

442.3 GTexel/s

Texture Rate

10.56 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

253.4 GFLOPS

442.3 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

80W

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

GF108

GN21-X11

GPU Variant

N13P-GLP-A1

Ada Lovelace

Architecture

Fermi

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

45.9 billion

Transistors

0.585 billion

379 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

6.7

Shader Model

5.1

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