NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce GT 620M

VS

NVIDIA GeForce RTX 3080 Max Q

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 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 3080 Max Q 's Advantages

Released 8 years and 5 months late

Boost Clock1245MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 28.80GB/s)

6048 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +5947%

15.3 TFLOPS

GeForce GT 620M

0.253 TFLOPS

GeForce RTX 3080 Max Q

VS

GeForce GT 620M

Graphics Card

Jan 2021

Release Date

Aug 2012

GeForce 30 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

780 MHz

Base Clock

-

1245 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

28.80GB/s

Render Config

-

48

SM Count

2

6144

Shading Units

96

192

TMUs

16

96

ROPs

4

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

119.5 GPixel/s

Pixel Rate

2.640 GPixel/s

239.0 GTexel/s

Texture Rate

10.56 GTexel/s

15.30 TFLOPS

FP16 (half)

-

15.30 TFLOPS

FP32 (float)

253.4 GFLOPS

239.0 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

80W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

GF108

GA104-775-A1

GPU Variant

N13P-GLP-A1

Ampere

Architecture

Fermi

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.585 billion

392 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

8.6

CUDA

2.1

6.6

Shader Model

5.1

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