AMD Radeon HD 8670M vs AMD Radeon Pro 580X

VS

AMD Radeon HD 8670M

AMD Radeon Pro 580X

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

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 6 years late

Boost Clock has increased by 23% (1200MHz vs 975MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (218.9GB/s vs 14.40GB/s)

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon Pro 580X +786%

5.53 TFLOPS

Radeon HD 8670M

VS

Radeon Pro 580X

Graphics Card

Mar 2013

Release Date

Mar 2019

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1100 MHz

975 MHz

Boost Clock

1200 MHz

900 MHz

Memory Clock

1710 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

218.9GB/s

Render Config

5

Compute Units

36

-

320

Shading Units

2304

20

TMUs

144

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

38.40 GPixel/s

19.50 GTexel/s

Texture Rate

172.8 GTexel/s

-

FP16 (half)

5.530 TFLOPS

624.0 GFLOPS

FP32 (float)

5.530 TFLOPS

39.00 GFLOPS

FP64 (double)

345.6 GFLOPS

Board Design

Unknown

TDP

185W

-

Portable Device Dependent

Outputs

2x HDMI 2.0b

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Ellesmere

Sun S3 XT (216-0841009)

GPU Variant

Ellesmere XTA (216-0886220)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

5.7 billion

56 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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