AMD Radeon 660M vs AMD Radeon RX 550X

VS

AMD Radeon 660M

AMD Radeon RX 550X

We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M and a Desktop platform GPU: 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 660M 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 61% (1900MHz vs 1183MHz)

Lower TDP (15W vs 50W)

AMD Radeon RX 550X 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 660M +20%

1.459 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon 660M

VS

Radeon RX 550X

Graphics Card

Jan 2022

Release Date

Dec 2018

Rembrandt

Generation

Polaris

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1500 MHz

Base Clock

1100 MHz

1900 MHz

Boost Clock

1183 MHz

System Shared

Memory Clock

1500 MHz

Memory

System Shared

Memory Size

4GB

System Shared

Memory Type

GDDR5

System Shared

Memory Bus

128bit

System Dependent

Bandwidth

96.00GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

16

ROPs

16

-

6

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

18.93 GPixel/s

45.60 GTexel/s

Texture Rate

37.86 GTexel/s

2.918 TFLOPS

FP16 (half)

1211 GFLOPS

1459 GFLOPS

FP32 (float)

1211 GFLOPS

91.20 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

15W

TDP

50W

-

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Rembrandt

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

13.1 billion

Transistors

2.2 billion

210 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.5

Shader Model

6.4

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