AMD Radeon R9 M390 Mac Edition vs NVIDIA RTX A4000 Max-Q

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA RTX A4000 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

Released 5 years and 11 months late

Boost Clock1395MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 174.7GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

RTX A4000 Max Q +627%

14.28 TFLOPS

Radeon R9 M390 Mac Edition

VS

RTX A4000 Max Q

Graphics Card

May 2015

Release Date

Apr 2021

Crystal System

Generation

Quadro Ampere-M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

1395 MHz

1365 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

352.0GB/s

Render Config

16

Compute Units

-

SM Count

40

1024

Shading Units

5120

64

TMUs

160

32

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

111.6 GPixel/s

61.31 GTexel/s

Texture Rate

223.2 GTexel/s

-

FP16 (half)

14.28 TFLOPS

1.962 TFLOPS

FP32 (float)

14.28 TFLOPS

122.6 GFLOPS

FP64 (double)

223.2 GFLOPS

Board Design

80W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

GA104

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.8 billion

Transistors

17.4 billion

212 mm²

Die Size

392 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.7

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