AMD Radeon RX 540X Mobile vs AMD Radeon HD 6670A

VS

AMD Radeon RX 540X Mobile AMD Radeon HD 6670A

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 1024MB VRAM Radeon HD 6670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages

Released 7 years late

Boost Clock1211MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

32 additional rendering cores

AMD Radeon HD 6670A 's Advantages

Lower TDP (45W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +115%

1.24 TFLOPS

Radeon HD 6670A

0.576 TFLOPS

Radeon RX 540X Mobile

VS

Radeon HD 6670A

Graphics Card

Apr 2018

Release Date

Apr 2011

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1124 MHz

Base Clock

-

1211 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

8

Compute Units

6

512

Shading Units

480

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

19.38 GPixel/s

Pixel Rate

4.800 GPixel/s

38.75 GTexel/s

Texture Rate

14.40 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

576.0 GFLOPS

77.50 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

Turks

Polaris 23 MXL

GPU Variant

Turks XT (215-0803000)

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

Board Design

50W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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