AMD Radeon RX Vega M GH vs NVIDIA GeForce RTX 4090 Max-Q

VS

AMD Radeon RX Vega M GH

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH and 16GB VRAM GeForce RTX 4090 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 4 years and 11 months late

Boost Clock has increased by 22% (1455MHz vs 1190MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 204.8GB/s)

8192 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH

3.656 TFLOPS

GeForce RTX 4090 Max Q +674%

28.31 TFLOPS

Radeon RX Vega M GH

VS

GeForce RTX 4090 Max Q

Graphics Card

Feb 2018

Release Date

Jan 2023

Vega

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 4.0 x16

Clock Speeds

1063 MHz

Base Clock

930 MHz

1190 MHz

Boost Clock

1455 MHz

800 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

16GB

HBM2

Memory Type

GDDR6

1024bit

Memory Bus

256bit

204.8GB/s

Bandwidth

448.0GB/s

Render Config

24

Compute Units

-

SM Count

76

1536

Shading Units

9728

96

TMUs

304

64

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

64 MB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

163.0 GPixel/s

114.2 GTexel/s

Texture Rate

442.3 GTexel/s

3.656 TFLOPS

FP16 (half)

28.31 TFLOPS

3.656 TFLOPS

FP32 (float)

28.31 TFLOPS

228.5 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

100W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Polaris 22

GPU Name

AD103

VegaM XT (C7398773)

GPU Variant

GN21-X11

GCN 4.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

5 billion

Transistors

45.9 billion

208 mm²

Die Size

379 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.4

Shader Model

6.7

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