NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon R9 M395X

VS

NVIDIA GeForce RTX 3080 Max Q

AMD Radeon R9 M395X

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 8GB VRAM Radeon R9 M395X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Released 5 years and 8 months late

Boost Clock1245MHz

Larger VRAM bandwidth (384.0GB/s vs 160.0GB/s)

4096 additional rendering cores

AMD Radeon R9 M395X 's Advantages

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +416%

15.3 TFLOPS

Radeon R9 M395X

2.961 TFLOPS

GeForce RTX 3080 Max Q

VS

Radeon R9 M395X

Graphics Card

Jan 2021

Release Date

May 2015

GeForce 30 Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

780 MHz

Base Clock

-

1245 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

384.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

48

SM Count

-

6144

Shading Units

2048

192

TMUs

128

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

119.5 GPixel/s

Pixel Rate

23.14 GPixel/s

239.0 GTexel/s

Texture Rate

92.54 GTexel/s

15.30 TFLOPS

FP16 (half)

2.961 TFLOPS

15.30 TFLOPS

FP32 (float)

2.961 TFLOPS

239.0 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

80W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Amethyst

GA104-775-A1

GPU Variant

Amethyst XT

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

5 billion

392 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

8.6

CUDA

-

6.6

Shader Model

6.3

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