AMD Radeon RX 6600S vs AMD FirePro M3900

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 1024MB VRAM FirePro M3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 11 years and 3 months late

Boost Clock2000MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (224.0GB/s vs 14.40GB/s)

1632 additional rendering cores

AMD FirePro M3900 's Advantages

Lower TDP (20W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +2886%

7.168 TFLOPS

FirePro M3900

0.24 TFLOPS

Radeon RX 6600S

VS

FirePro M3900

Graphics Card

Jan 2022

Release Date

Oct 2010

Mobility Radeon

Generation

FirePro Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2000 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

28

Compute Units

2

1792

Shading Units

160

112

TMUs

8

64

ROPs

4

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

128.0 GPixel/s

Pixel Rate

3.000 GPixel/s

224.0 GTexel/s

Texture Rate

6.000 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

240.0 GFLOPS

448.0 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

Seymour

-

GPU Variant

Seymour GL

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.37 billion

237 mm²

Die Size

67 mm²

Board Design

80W

TDP

20W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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