NVIDIA GeForce RTX 2080 Mobile vs NVIDIA GeForce GT 420M

VS

NVIDIA GeForce RTX 2080 Mobile

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Mobile and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Released 8 years and 4 months late

Boost Clock1590MHz

More VRAM (8GB vs 512GB)

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

2848 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 150W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Mobile +4776%

9.362 TFLOPS

GeForce GT 420M

0.192 TFLOPS

GeForce RTX 2080 Mobile

VS

GeForce GT 420M

Graphics Card

Jan 2019

Release Date

Sep 2010

GeForce 20 Mobile

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1380 MHz

Base Clock

-

1590 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

25.60GB/s

Render Config

-

46

SM Count

2

2944

Shading Units

96

184

TMUs

16

64

ROPs

4

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

101.8 GPixel/s

Pixel Rate

2.000 GPixel/s

292.6 GTexel/s

Texture Rate

8.000 GTexel/s

18.72 TFLOPS

FP16 (half)

-

9.362 TFLOPS

FP32 (float)

192.0 GFLOPS

292.6 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

150W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

TU104

GPU Name

GF108

N18E-G3-A1

GPU Variant

N11P-GE-A1

Turing

Architecture

Fermi

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

13.6 billion

Transistors

0.585 billion

545 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

7.5

CUDA

2.1

6.6

Shader Model

5.1

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