NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 20% (1545MHz vs 1283MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 189.4GB/s)

4864 additional rendering cores

AMD Radeon Pro Vega 20 's Advantages

Lower TDP (100W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +477%

18.98 TFLOPS

Radeon Pro Vega 20

3.284 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon Pro Vega 20

Graphics Card

Jan 2021

Release Date

Nov 2018

GeForce 30 Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1110 MHz

Base Clock

815 MHz

1545 MHz

Boost Clock

1283 MHz

1750 MHz

Memory Clock

740 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

1024bit

448.0GB/s

Bandwidth

189.4GB/s

Render Config

-

Compute Units

20

48

SM Count

-

6144

Shading Units

1280

192

TMUs

80

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

41.06 GPixel/s

296.6 GTexel/s

Texture Rate

102.6 GTexel/s

18.98 TFLOPS

FP16 (half)

6.569 TFLOPS

18.98 TFLOPS

FP32 (float)

3.284 TFLOPS

296.6 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

115W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Vega 12

GA104-775-A1

GPU Variant

Vega 12 XTA

Ampere

Architecture

GCN 5.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

17.4 billion

Transistors

Unknown

392 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.3

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