NVIDIA GeForce GT 420M vs NVIDIA GeForce RTX 4090 Max-Q

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 16GB VRAM GeForce RTX 4090 Max Q 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 80W)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 12 years and 4 months late

Boost Clock1455MHz

More VRAM (16GB vs 512GB)

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

9632 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce RTX 4090 Max Q +14644%

28.31 TFLOPS

GeForce GT 420M

VS

GeForce RTX 4090 Max Q

Graphics Card

Sep 2010

Release Date

Jan 2023

GeForce 400M

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

930 MHz

-

Boost Clock

1455 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

76

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

2.000 GPixel/s

Pixel Rate

163.0 GPixel/s

8.000 GTexel/s

Texture Rate

442.3 GTexel/s

-

FP16 (half)

28.31 TFLOPS

192.0 GFLOPS

FP32 (float)

28.31 TFLOPS

16.00 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

23W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

AD103

N11P-GE-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

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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