AMD Radeon Pro 580 vs AMD Radeon R7 A265

VS

AMD Radeon Pro 580

AMD Radeon R7 A265

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580 and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 45% (1200MHz vs 825MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (217.0GB/s vs 28.80GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 580 +773%

5.53 TFLOPS

Radeon R7 A265

0.633 TFLOPS

Radeon Pro 580

VS

Radeon R7 A265

Graphics Card

Jun 2017

Release Date

Jan 2014

Radeon Pro Mac

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

725 MHz

1200 MHz

Boost Clock

825 MHz

1695 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

217.0GB/s

Bandwidth

28.80GB/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

256 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

6.600 GPixel/s

172.8 GTexel/s

Texture Rate

19.80 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

633.6 GFLOPS

345.6 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

185W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Opal

Ellesmere XTA (216-0886220)

GPU Variant

Opal 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

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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