AMD Radeon Pro Vega 20 vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon Pro Vega 20

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 5% (1350MHz vs 1283MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 189.4GB/s)

6144 additional rendering cores

Lower TDP (60W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20

3.284 TFLOPS

GeForce RTX 4080 Max Q +510%

20.04 TFLOPS

Radeon Pro Vega 20

VS

GeForce RTX 4080 Max Q

Graphics Card

Nov 2018

Release Date

Jan 2023

Radeon Pro Mac

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

815 MHz

Base Clock

795 MHz

1283 MHz

Boost Clock

1350 MHz

740 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

12GB

HBM2

Memory Type

GDDR6

1024bit

Memory Bus

192bit

189.4GB/s

Bandwidth

336.0GB/s

Render Config

20

Compute Units

-

SM Count

58

1280

Shading Units

7424

80

TMUs

232

32

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

48 MB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

108.0 GPixel/s

102.6 GTexel/s

Texture Rate

313.2 GTexel/s

6.569 TFLOPS

FP16 (half)

20.04 TFLOPS

3.284 TFLOPS

FP32 (float)

20.04 TFLOPS

205.3 GFLOPS

FP64 (double)

313.2 GFLOPS

Board Design

100W

TDP

60W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Vega 12

GPU Name

AD104

Vega 12 XTA

GPU Variant

GN21-X9

GCN 5.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

Unknown

Transistors

35.8 billion

Unknown

Die Size

295 mm²

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

8.9

6.3

Shader Model

6.7

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