AMD Radeon RX 6600M vs AMD Radeon E9550 MXM

VS

AMD Radeon RX 6600M AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 8GB VRAM Radeon E9550 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 91% (2416MHz vs 1266MHz)

Larger VRAM bandwidth (224.0GB/s vs 160.0GB/s)

AMD Radeon E9550 MXM 's Advantages

512 additional rendering cores

Lower TDP (95W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +48%

8.659 TFLOPS

Radeon E9550 MXM

5.834 TFLOPS

Radeon RX 6600M

VS

Radeon E9550 MXM

Graphics Card

May 2021

Release Date

Sep 2016

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

2068 MHz

Base Clock

1120 MHz

2416 MHz

Boost Clock

1266 MHz

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

28

Compute Units

36

1792

Shading Units

2304

112

TMUs

144

64

ROPs

32

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

40.51 GPixel/s

270.6 GTexel/s

Texture Rate

182.3 GTexel/s

17.32 TFLOPS

FP16 (half)

5.834 TFLOPS

8.659 TFLOPS

FP32 (float)

5.834 TFLOPS

541.2 GFLOPS

FP64 (double)

364.6 GFLOPS

Graphics Processor

Navi 23

GPU Name

Ellesmere

-

GPU Variant

Ellesmere XT

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

5.7 billion

237 mm²

Die Size

232 mm²

Board Design

100W

TDP

95W

-

Suggested PSU

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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