AMD Radeon HD 6970M Mac Edition vs AMD Radeon Pro 580

VS

AMD Radeon HD 6970M Mac Edition

AMD Radeon Pro 580

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 8GB VRAM Radeon Pro 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Lower TDP (75W vs 185W)

AMD Radeon Pro 580 's Advantages

Released 5 years and 10 months late

Boost Clock1200MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (217.0GB/s vs 115.2GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition

1.306 TFLOPS

Radeon Pro 580 +323%

5.53 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon Pro 580

Graphics Card

Aug 2011

Release Date

Jun 2017

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1200 MHz

900 MHz

Memory Clock

1695 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

217.0GB/s

Render Config

12

Compute Units

36

-

960

Shading Units

2304

48

TMUs

144

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

38.40 GPixel/s

32.64 GTexel/s

Texture Rate

172.8 GTexel/s

-

FP16 (half)

5.530 TFLOPS

1306 GFLOPS

FP32 (float)

5.530 TFLOPS

-

FP64 (double)

345.6 GFLOPS

Board Design

75W

TDP

185W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Ellesmere

Blackcomb XT (216-0811000)

GPU Variant

Ellesmere XTA (216-0886220)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

5.7 billion

212 mm²

Die Size

232 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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