NVIDIA GeForce GT 420M vs NVIDIA GeForce RTX 2080 SUPER Mobile

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce RTX 2080 SUPER Mobile

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 8GB VRAM GeForce RTX 2080 SUPER Mobile 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 150W)

NVIDIA GeForce RTX 2080 SUPER Mobile 's Advantages

Released 9 years and 7 months late

Boost Clock1560MHz

More VRAM (8GB vs 512GB)

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

2976 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce RTX 2080 SUPER Mobile +4892%

9.585 TFLOPS

GeForce GT 420M

VS

GeForce RTX 2080 SUPER Mobile

Graphics Card

Sep 2010

Release Date

Apr 2020

GeForce 400M

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1560 MHz

800 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

448.0GB/s

Render Config

-

2

SM Count

48

96

Shading Units

3072

16

TMUs

192

4

ROPs

64

-

Tensor Cores

384

-

RT Cores

48

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

99.84 GPixel/s

8.000 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

192.0 GFLOPS

FP32 (float)

9.585 TFLOPS

16.00 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

23W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

TU104

N11P-GE-A1

GPU Variant

N18E-G3

Fermi

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

0.585 billion

Transistors

13.6 billion

116 mm²

Die Size

545 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

7.5

5.1

Shader Model

6.6

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