AMD Radeon 540X Mobile vs AMD Radeon HD 7970M

VS

AMD Radeon 540X Mobile

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540X Mobile 's Advantages

Released 6 years and 10 months late

Boost Clock1095MHz

Lower TDP (50W vs 100W)

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540X Mobile

1.121 TFLOPS

Radeon HD 7970M +94%

2.176 TFLOPS

Radeon 540X Mobile

VS

Radeon HD 7970M

Graphics Card

Feb 2019

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

980 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1000 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

153.6GB/s

Render Config

8

Compute Units

20

-

512

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

27.20 GPixel/s

35.04 GTexel/s

Texture Rate

68.00 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

2.176 TFLOPS

70.08 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Wimbledon

Lexa PRO (215-0904018)

GPU Variant

Wimbledon XT (216-0836036)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.8 billion

103 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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