AMD Radeon Pro 580 vs AMD Radeon HD 6950M

VS

AMD Radeon Pro 580

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580 and 1024MB VRAM Radeon HD 6950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Released 6 years and 5 months late

Boost Clock1200MHz

More VRAM (8GB vs 1024GB)

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

1344 additional rendering cores

AMD Radeon HD 6950M 's Advantages

Lower TDP (50W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580 +396%

5.53 TFLOPS

Radeon HD 6950M

1.114 TFLOPS

Radeon Pro 580

VS

Radeon HD 6950M

Graphics Card

Jun 2017

Release Date

Jan 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1695 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

217.0GB/s

Bandwidth

115.2GB/s

Render Config

36

Compute Units

12

-

2304

Shading Units

960

144

TMUs

48

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

18.56 GPixel/s

172.8 GTexel/s

Texture Rate

27.84 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

1114 GFLOPS

345.6 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Blackcomb

Ellesmere XTA (216-0886220)

GPU Variant

Blackcomb PRO

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 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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