NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon R9 M295X Mac Edition

VS

NVIDIA GeForce RTX 4080 Max-Q

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Max Q 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 4080 Max-Q 's Advantages

Released 8 years and 2 months late

Boost Clock1350MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 174.3GB/s)

5376 additional rendering cores

Lower TDP (60W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Max Q +475%

20.04 TFLOPS

Radeon R9 M295X Mac Edition

3.482 TFLOPS

GeForce RTX 4080 Max Q

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

795 MHz

Base Clock

-

1350 MHz

Boost Clock

-

1750 MHz

Memory Clock

1362 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

336.0GB/s

Bandwidth

174.3GB/s

Render Config

-

Compute Units

32

58

SM Count

-

7424

Shading Units

2048

232

TMUs

128

80

ROPs

32

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

512 KB

-

Theoretical Performance

108.0 GPixel/s

Pixel Rate

27.20 GPixel/s

313.2 GTexel/s

Texture Rate

108.8 GTexel/s

20.04 TFLOPS

FP16 (half)

3.482 TFLOPS

20.04 TFLOPS

FP32 (float)

3.482 TFLOPS

313.2 GFLOPS

FP64 (double)

217.6 GFLOPS

Board Design

60W

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD104

GPU Name

Amethyst

GN21-X9

GPU Variant

Amethyst XT

Ada Lovelace

Architecture

GCN 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

5 billion

295 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

-

6.7

Shader Model

6.3

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