NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon R9 M295X Mac Edition

VS

NVIDIA GeForce RTX 4090 Mobile

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 4GB VRAM Radeon R9 M295X Mac Edition 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 8 years and 2 months late

Boost Clock1695MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 174.3GB/s)

7680 additional rendering cores

Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +847%

32.98 TFLOPS

Radeon R9 M295X Mac Edition

3.482 TFLOPS

GeForce RTX 4090 Mobile

VS

Radeon R9 M295X Mac Edition

Graphics Card

Jan 2023

Release Date

Nov 2014

GeForce 40 Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1335 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2250 MHz

Memory Clock

1362 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

174.3GB/s

Render Config

-

Compute Units

32

76

SM Count

-

9728

Shading Units

2048

304

TMUs

128

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

27.20 GPixel/s

515.3 GTexel/s

Texture Rate

108.8 GTexel/s

32.98 TFLOPS

FP16 (half)

3.482 TFLOPS

32.98 TFLOPS

FP32 (float)

3.482 TFLOPS

515.3 GFLOPS

FP64 (double)

217.6 GFLOPS

Board Design

80-150W

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

Amethyst

GN21-X11

GPU Variant

Amethyst XT

Ada Lovelace

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

5 billion

379 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

8.9

CUDA

-

6.8

Shader Model

6.3

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