AMD Radeon R5 A255 vs AMD Radeon HD 8550M

VS

AMD Radeon R5 A255

AMD Radeon HD 8550M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM Radeon HD 8550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Boost Clock has increased by 11% (940MHz vs 850MHz)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

64 additional rendering cores

AMD Radeon HD 8550M 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

Radeon R5 A255 +32%

0.721 TFLOPS

Radeon HD 8550M

0.544 TFLOPS

Radeon R5 A255

VS

Radeon HD 8550M

Graphics Card

Jan 2014

Release Date

Jul 2014

All-In-One

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

650 MHz

940 MHz

Boost Clock

850 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

5

-

384

Shading Units

320

24

TMUs

20

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

6.800 GPixel/s

22.56 GTexel/s

Texture Rate

17.00 GTexel/s

-

721.9 GFLOPS

FP32 (float)

544.0 GFLOPS

-

FP64 (double)

34.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Topaz

GPU Name

Sun

Topaz PRO (216-0858030)

GPU Variant

Sun S3 LE (216-0841036)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

0.69 billion

125 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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