AMD Radeon Pro Vega 20 vs NVIDIA GeForce RTX 3080 Max Q

VS

AMD Radeon Pro Vega 20 NVIDIA GeForce RTX 3080 Max Q

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

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Boost Clock has increased by 3% (1283MHz vs 1245MHz)

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Released 2 years and 2 months late

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 189.4GB/s)

4864 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20

3.284 TFLOPS

GeForce RTX 3080 Max Q +365%

15.3 TFLOPS

Radeon Pro Vega 20

VS

GeForce RTX 3080 Max Q

Graphics Card

Nov 2018

Release Date

Jan 2021

Radeon Pro Mac

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

815 MHz

Base Clock

780 MHz

1283 MHz

Boost Clock

1245 MHz

740 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

HBM2

Memory Type

GDDR6

1024bit

Memory Bus

256bit

189.4GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

48

20

Compute Units

-

1280

Shading Units

6144

80

TMUs

192

32

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

119.5 GPixel/s

102.6 GTexel/s

Texture Rate

239.0 GTexel/s

6.569 TFLOPS

FP16 (half)

15.30 TFLOPS

3.284 TFLOPS

FP32 (float)

15.30 TFLOPS

205.3 GFLOPS

FP64 (double)

239.0 GFLOPS

Graphics Processor

Vega 12

GPU Name

GA104

Vega 12 XTA

GPU Variant

GA104-775-A1

GCN 5.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

Unknown

Transistors

17.4 billion

Unknown

Die Size

392 mm²

Board Design

100W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.3

Shader Model

6.6

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