AMD Radeon 540X Mobile vs AMD Radeon HD 6650M

VS

AMD Radeon 540X Mobile

AMD Radeon HD 6650M

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 1024MB VRAM Radeon HD 6650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540X Mobile 's Advantages

Released 8 years and 1 months late

Boost Clock1095MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 25.60GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540X Mobile +94%

1.121 TFLOPS

Radeon HD 6650M

0.576 TFLOPS

Radeon 540X Mobile

VS

Radeon HD 6650M

Graphics Card

Feb 2019

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

25.60GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

4.800 GPixel/s

35.04 GTexel/s

Texture Rate

14.40 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

576.0 GFLOPS

70.08 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Whistler

Lexa PRO (215-0904018)

GPU Variant

Whistler LE (216-0810028)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.716 billion

103 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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