NVIDIA GeForce RTX 4080 Mobile vs NVIDIA GeForce 620M

VS

NVIDIA GeForce RTX 4080 Mobile NVIDIA GeForce 620M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 10 years and 10 months late

Boost Clock1665MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (432.0GB/s vs 14.40GB/s)

7328 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 110W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +10200%

24.72 TFLOPS

GeForce 620M

0.24 TFLOPS

GeForce RTX 4080 Mobile

VS

GeForce 620M

Graphics Card

Jan 2023

Release Date

Mar 2012

GeForce 40 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1290 MHz

Base Clock

-

1665 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

14.40GB/s

Render Config

58

SM Count

2

-

Compute Units

-

7424

Shading Units

96

232

TMUs

16

80

ROPs

8

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

48 MB

L2 Cache

128 KB

Theoretical Performance

133.2 GPixel/s

Pixel Rate

2.500 GPixel/s

386.3 GTexel/s

Texture Rate

10.00 GTexel/s

24.72 TFLOPS

FP16 (half)

-

24.72 TFLOPS

FP32 (float)

240.0 GFLOPS

386.3 GFLOPS

FP64 (double)

20.00 GFLOPS

Graphics Processor

AD104

GPU Name

GF117

GN21-X9

GPU Variant

N13P-GLP

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

0.585 billion

295 mm²

Die Size

116 mm²

Board Design

110W

TDP

15W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

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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