AMD Radeon 660M vs AMD Radeon 540

VS

AMD Radeon 660M

AMD Radeon 540

We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M and a Desktop platform GPU: 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 660M 's Advantages

Released 4 years and 9 months late

Boost Clock1900MHz

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 660M +60%

1.459 TFLOPS

AMD Radeon 540

0.908 TFLOPS

Radeon 660M

VS

AMD Radeon 540

Graphics Card

Jan 2022

Release Date

Apr 2017

Rembrandt

Generation

Polaris

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1500 MHz

Base Clock

-

1900 MHz

Boost Clock

-

System Shared

Memory Clock

1500 MHz

Memory

System Shared

Memory Size

1024MB

System Shared

Memory Type

GDDR5

System Shared

Memory Bus

32bit

System Dependent

Bandwidth

24.00GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

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

28.39 GTexel/s

2.918 TFLOPS

FP16 (half)

908.5 GFLOPS

1459 GFLOPS

FP32 (float)

908.5 GFLOPS

91.20 GFLOPS

FP64 (double)

56.78 GFLOPS

Board Design

15W

TDP

50W

-

Suggested PSU

250 W

No outputs

Outputs

2x 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

1.3

-

6.5

Shader Model

6.7

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