NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon R9 M485X

VS

NVIDIA GeForce RTX 3080 Max Q

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 8GB VRAM Radeon R9 M485X 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 4 years and 8 months late

Boost Clock1245MHz

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

4096 additional rendering cores

Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +416%

15.3 TFLOPS

Radeon R9 M485X

2.961 TFLOPS

GeForce RTX 3080 Max Q

VS

Radeon R9 M485X

Graphics Card

Jan 2021

Release Date

May 2016

GeForce 30 Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

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

250W

-

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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