NVIDIA GeForce RTX 5090 Mobile vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce RTX 5090 Mobile

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5090 Mobile and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 9 years and 8 months late

Boost Clock2000MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 174.7GB/s)

8704 additional rendering cores

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 Mobile +1055%

43.01 TFLOPS

Radeon R9 M395X Mac Edition

3.723 TFLOPS

GeForce RTX 5090 Mobile

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jan 2025

Release Date

May 2015

GeForce 50 Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1500 MHz

Base Clock

-

2000 MHz

Boost Clock

-

2500 MHz

Memory Clock

1365 MHz

Memory

16GB

Memory Size

4GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

256bit

1.01TB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

84

SM Count

-

10752

Shading Units

2048

336

TMUs

128

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

256.0 GPixel/s

Pixel Rate

29.09 GPixel/s

672.0 GTexel/s

Texture Rate

116.4 GTexel/s

43.01 TFLOPS

FP16 (half)

3.723 TFLOPS

43.01 TFLOPS

FP32 (float)

3.723 TFLOPS

672.0 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

175W

TDP

250W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

Amethyst

-

GPU Variant

Amethyst XT

Blackwell 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

5 billion

377 mm²

Die Size

366 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

10.1

CUDA

-

6.8

Shader Model

6.3

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