AMD Radeon Pro 580 vs AMD Radeon HD 8670A

VS

AMD Radeon Pro 580

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580 and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Released 4 years and 4 months late

Boost Clock1200MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (217.0GB/s vs 16.00GB/s)

1920 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580 +1099%

5.53 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon Pro 580

VS

Radeon HD 8670A

Graphics Card

Jun 2017

Release Date

Feb 2013

Radeon Pro Mac

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1695 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

217.0GB/s

Bandwidth

16.00GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

384

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

4.800 GPixel/s

172.8 GTexel/s

Texture Rate

14.40 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

460.8 GFLOPS

345.6 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

185W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Mars

Ellesmere XTA (216-0886220)

GPU Variant

Mars XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.95 billion

232 mm²

Die Size

77 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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