AMD Radeon R5 A255 vs AMD Radeon HD 8730M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 2GB VRAM Radeon HD 8730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 9 months late

Boost Clock has increased by 34% (940MHz vs 700MHz)

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

AMD Radeon HD 8730M 's Advantages

More VRAM (2GB vs 1GB)

Score

Benchmark

FP32 (float)

Radeon R5 A255 +34%

0.721 TFLOPS

Radeon HD 8730M

0.537 TFLOPS

Radeon R5 A255

VS

Radeon HD 8730M

Graphics Card

Jan 2014

Release Date

Apr 2013

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

700 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

6

Compute Units

6

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

5.600 GPixel/s

22.56 GTexel/s

Texture Rate

16.80 GTexel/s

-

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

537.6 GFLOPS

-

FP64 (double)

33.60 GFLOPS

Graphics Processor

Topaz

GPU Name

Mars

Topaz PRO (216-0858030)

GPU Variant

Mars S3 PRO (216-0842027)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

0.95 billion

125 mm²

Die Size

77 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

6.5 (5.1)

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