AMD Radeon 550X Mobile vs AMD Radeon RX 6650M XT

VS

AMD Radeon 550X Mobile

AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Lower TDP (50W vs 120W)

AMD Radeon RX 6650M XT 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 88% (2416MHz vs 1287MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 48.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X Mobile

1.647 TFLOPS

Radeon RX 6650M XT +500%

9.896 TFLOPS

Radeon 550X Mobile

VS

Radeon RX 6650M XT

Graphics Card

Apr 2018

Release Date

Jan 2022

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1100 MHz

Base Clock

2068 MHz

1287 MHz

Boost Clock

2416 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

256.0GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

154.6 GPixel/s

51.48 GTexel/s

Texture Rate

309.2 GTexel/s

1.647 TFLOPS

FP16 (half)

19.79 TFLOPS

1.647 TFLOPS

FP32 (float)

9.896 TFLOPS

103.0 GFLOPS

FP64 (double)

618.5 GFLOPS

Board Design

50W

TDP

120W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

Navi 23

Polaris 23 MXT

GPU Variant

-

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

2.2 billion

Transistors

11.06 billion

103 mm²

Die Size

237 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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