AMD Radeon HD 6770M Mac Edition vs AMD Radeon 520 Mobile

VS

AMD Radeon HD 6770M Mac Edition

AMD Radeon 520 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 2GB VRAM Radeon 520 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M Mac Edition 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 16.00GB/s)

160 additional rendering cores

Lower TDP (35W vs 50W)

AMD Radeon 520 Mobile 's Advantages

Released 6 years and 3 months late

More VRAM (2GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +5%

0.696 TFLOPS

Radeon 520 Mobile

0.659 TFLOPS

Radeon HD 6770M Mac Edition

VS

Radeon 520 Mobile

Graphics Card

Jan 2011

Release Date

Apr 2017

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

57.60GB/s

Bandwidth

16.00GB/s

Render Config

6

Compute Units

5

-

480

Shading Units

320

24

TMUs

20

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

8.240 GPixel/s

17.40 GTexel/s

Texture Rate

20.60 GTexel/s

-

696.0 GFLOPS

FP32 (float)

659.2 GFLOPS

-

FP64 (double)

41.20 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Banks

Whistler XT (216-0810001)

GPU Variant

Banks PRO (216-0568010)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.69 billion

104 mm²

Die Size

56 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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