NVIDIA GeForce GT 420M vs NVIDIA GeForce RTX 2080 Max Q

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce RTX 2080 Max Q

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 8GB VRAM GeForce RTX 2080 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 2080 Max Q 's Advantages

Released 8 years and 4 months late

Boost Clock1095MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 25.60GB/s)

2848 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce RTX 2080 Max Q +3257%

6.447 TFLOPS

GeForce GT 420M

VS

GeForce RTX 2080 Max Q

Graphics Card

Sep 2010

Release Date

Jan 2019

GeForce 400M

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1095 MHz

800 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

384.0GB/s

Render Config

-

2

SM Count

46

96

Shading Units

2944

16

TMUs

184

4

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

70.08 GPixel/s

8.000 GTexel/s

Texture Rate

201.5 GTexel/s

-

FP16 (half)

12.89 TFLOPS

192.0 GFLOPS

FP32 (float)

6.447 TFLOPS

16.00 GFLOPS

FP64 (double)

201.5 GFLOPS

Board Design

23W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

TU104

N11P-GE-A1

GPU Variant

N18E-G3-A1

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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