AMD Radeon R9 M395X Mac Edition vs NVIDIA GeForce RTX 4090 Mobile

VS

AMD Radeon R9 M395X Mac Edition

NVIDIA GeForce RTX 4090 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 16GB VRAM GeForce RTX 4090 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 7 years and 8 months late

Boost Clock1695MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 174.7GB/s)

7680 additional rendering cores

Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition

3.723 TFLOPS

GeForce RTX 4090 Mobile +785%

32.98 TFLOPS

Radeon R9 M395X Mac Edition

VS

GeForce RTX 4090 Mobile

Graphics Card

May 2015

Release Date

Jan 2023

Crystal System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1335 MHz

-

Boost Clock

1695 MHz

1365 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

576.0GB/s

Render Config

32

Compute Units

-

SM Count

76

2048

Shading Units

9728

128

TMUs

304

32

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

189.8 GPixel/s

116.4 GTexel/s

Texture Rate

515.3 GTexel/s

3.723 TFLOPS

FP16 (half)

32.98 TFLOPS

3.723 TFLOPS

FP32 (float)

32.98 TFLOPS

232.7 GFLOPS

FP64 (double)

515.3 GFLOPS

Board Design

250W

TDP

80-150W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

AD103

Amethyst XT

GPU Variant

GN21-X11

GCN 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

5 billion

Transistors

45.9 billion

366 mm²

Die Size

379 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.3

Shader Model

6.8

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