AMD Radeon R7 A260 vs AMD Radeon Pro 555X

VS

AMD Radeon R7 A260

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 A260 and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A260 's Advantages

Boost Clock980MHz

AMD Radeon Pro 555X 's Advantages

Released 4 years and 6 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (94.08GB/s vs 57.60GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A260

0.752 TFLOPS

Radeon Pro 555X +85%

1.393 TFLOPS

Radeon R7 A260

VS

Radeon Pro 555X

Graphics Card

Jan 2014

Release Date

Jul 2018

All-In-One

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

-

980 MHz

Boost Clock

-

900 MHz

Memory Clock

1470 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

94.08GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

768

24

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

14.51 GPixel/s

23.52 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

752.6 GFLOPS

FP32 (float)

1393 GFLOPS

-

FP64 (double)

87.07 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Polaris 21

Topaz XT (216-0858020)

GPU Variant

Polaris 21 PRO

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.55 billion

Transistors

3 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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