AMD Radeon RX 540 Mobile vs AMD Radeon HD 6970M

VS

AMD Radeon RX 540 Mobile

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540 Mobile and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540 Mobile 's Advantages

Released 6 years and 10 months late

Boost Clock1219MHz

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 75W)

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 540 Mobile

1.248 TFLOPS

Radeon HD 6970M +4%

1.306 TFLOPS

Radeon RX 540 Mobile

VS

Radeon HD 6970M

Graphics Card

Nov 2017

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

115.2GB/s

Render Config

8

Compute Units

12

-

512

Shading Units

960

32

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

21.76 GPixel/s

39.01 GTexel/s

Texture Rate

32.64 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

1306 GFLOPS

78.02 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Blackcomb

Lexa PRO (215-0904018)

GPU Variant

Blackcomb XT (216-0811000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.7 billion

103 mm²

Die Size

212 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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