AMD Radeon 540X Mobile vs AMD Radeon HD 6770M Mac Edition

VS

AMD Radeon 540X Mobile AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 512MB VRAM Radeon HD 6770M Mac Edition 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

32 additional rendering cores

AMD Radeon HD 6770M Mac Edition 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 32.00GB/s)

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 540X Mobile +61%

1.121 TFLOPS

Radeon HD 6770M Mac Edition

0.696 TFLOPS

Radeon 540X Mobile

VS

Radeon HD 6770M Mac Edition

Graphics Card

Feb 2019

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

980 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

57.60GB/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

17.52 GPixel/s

Pixel Rate

5.800 GPixel/s

35.04 GTexel/s

Texture Rate

17.40 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

696.0 GFLOPS

70.08 GFLOPS

FP64 (double)

-

Graphics Processor

Lexa

GPU Name

Whistler

Lexa PRO (215-0904018)

GPU Variant

Whistler XT (216-0810001)

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

104 mm²

Board Design

50W

TDP

35W

-

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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