AMD Radeon HD 6670A vs AMD Radeon RX 540 Mobile

VS

AMD Radeon HD 6670A

AMD Radeon RX 540 Mobile

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

Main Differences

AMD Radeon HD 6670A 's Advantages

Lower TDP (45W vs 50W)

AMD Radeon RX 540 Mobile 's Advantages

Released 6 years and 7 months late

Boost Clock1219MHz

More VRAM (2GB vs 1024GB)

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

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon RX 540 Mobile +116%

1.248 TFLOPS

Radeon HD 6670A

VS

Radeon RX 540 Mobile

Graphics Card

Apr 2011

Release Date

Nov 2017

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

6

Compute Units

8

-

480

Shading Units

512

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

19.50 GPixel/s

14.40 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

576.0 GFLOPS

FP32 (float)

1248 GFLOPS

-

FP64 (double)

78.02 GFLOPS

Board Design

45W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Turks

GPU Name

Lexa

Turks XT (215-0803000)

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

2.2 billion

118 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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