NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce RTX 2080 Mobile

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce RTX 2080 Mobile

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 8GB VRAM GeForce RTX 2080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 2 years late

More VRAM (16GB vs 8GB)

3200 additional rendering cores

Lower TDP (115W vs 150W)

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Boost Clock has increased by 3% (1590MHz vs 1545MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +102%

18.98 TFLOPS

GeForce RTX 2080 Mobile

9.362 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

GeForce RTX 2080 Mobile

Graphics Card

Jan 2021

Release Date

Jan 2019

GeForce 30 Mobile

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1110 MHz

Base Clock

1380 MHz

1545 MHz

Boost Clock

1590 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

448.0GB/s

Render Config

-

48

SM Count

46

6144

Shading Units

2944

192

TMUs

184

96

ROPs

64

192

Tensor Cores

368

48

RT Cores

46

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

4 MB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

101.8 GPixel/s

296.6 GTexel/s

Texture Rate

292.6 GTexel/s

18.98 TFLOPS

FP16 (half)

18.72 TFLOPS

18.98 TFLOPS

FP32 (float)

9.362 TFLOPS

296.6 GFLOPS

FP64 (double)

292.6 GFLOPS

Board Design

115W

TDP

150W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

TU104

GA104-775-A1

GPU Variant

N18E-G3-A1

Ampere

Architecture

Turing

Samsung

Foundry

TSMC

8 nm

Process Size

12 nm

17.4 billion

Transistors

13.6 billion

392 mm²

Die Size

545 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

7.5

6.8

Shader Model

6.6

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