AMD Radeon Pro W6600M vs AMD Radeon R9 M390 Mac Edition

VS

AMD Radeon Pro W6600M

AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro W6600M and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6600M 's Advantages

Released 6 years and 1 months late

Boost Clock2034MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)

768 additional rendering cores

AMD Radeon R9 M390 Mac Edition 's Advantages

Lower TDP (80W vs 90W)

Score

Benchmark

FP32 (float)

Radeon Pro W6600M +271%

7.29 TFLOPS

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon Pro W6600M

VS

Radeon R9 M390 Mac Edition

Graphics Card

Jun 2021

Release Date

May 2015

Radeon Pro Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1224 MHz

Base Clock

-

2034 MHz

Boost Clock

-

1750 MHz

Memory Clock

1365 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

174.7GB/s

Render Config

28

Compute Units

16

66

SM Count

-

1792

Shading Units

1024

112

TMUs

64

ROPs

32

264

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

130.2 GPixel/s

Pixel Rate

30.66 GPixel/s

227.8 GTexel/s

Texture Rate

61.31 GTexel/s

14.58 TFLOPS

FP16 (half)

-

7.290 TFLOPS

FP32 (float)

1.962 TFLOPS

455.6 GFLOPS

FP64 (double)

122.6 GFLOPS

Board Design

90W

TDP

80W

600 W

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Pitcairn

Navi 23 WKS-XM

GPU Variant

Pitcairn PRO (215-0828062)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

2.8 billion

237 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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