NVIDIA GeForce GT 420M vs NVIDIA GeForce RTX 3080 Mobile 16 GB

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce RTX 3080 Mobile 16 GB

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 16GB VRAM GeForce RTX 3080 Mobile 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 115W)

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 10 years and 4 months late

Boost Clock1545MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 25.60GB/s)

6048 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce RTX 3080 Mobile 16 GB +9785%

18.98 TFLOPS

GeForce GT 420M

VS

GeForce RTX 3080 Mobile 16 GB

Graphics Card

Sep 2010

Release Date

Jan 2021

GeForce 400M

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1545 MHz

800 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

448.0GB/s

Render Config

-

2

SM Count

48

96

Shading Units

6144

16

TMUs

192

4

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

64 KB (per SM)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

148.3 GPixel/s

8.000 GTexel/s

Texture Rate

296.6 GTexel/s

-

FP16 (half)

18.98 TFLOPS

192.0 GFLOPS

FP32 (float)

18.98 TFLOPS

16.00 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

23W

TDP

115W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

GA104

N11P-GE-A1

GPU Variant

GA104-775-A1

Fermi

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.585 billion

Transistors

17.4 billion

116 mm²

Die Size

392 mm²

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

8.6

5.1

Shader Model

6.8

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