AMD Radeon R7 A265 vs AMD Radeon RX 580 Mobile

VS

AMD Radeon R7 A265

AMD Radeon RX 580 Mobile

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

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 31% (1077MHz vs 825MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

Radeon RX 580 Mobile +684%

4.963 TFLOPS

Radeon R7 A265

VS

Radeon RX 580 Mobile

Graphics Card

Jan 2014

Release Date

Apr 2017

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

725 MHz

Base Clock

1000 MHz

825 MHz

Boost Clock

1077 MHz

900 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

256.0GB/s

Render Config

6

Compute Units

36

-

384

Shading Units

2304

24

TMUs

144

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

34.46 GPixel/s

19.80 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

633.6 GFLOPS

FP32 (float)

4.963 TFLOPS

39.60 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Opal

GPU Name

Polaris 20

Opal XT

GPU Variant

Polaris 20M XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

5.7 billion

77 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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