AMD Radeon R5 A255 vs AMD Radeon RX 460 Mobile

VS

AMD Radeon R5 A255

AMD Radeon RX 460 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 4GB VRAM Radeon RX 460 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 Mobile 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 26% (1180MHz vs 940MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.00GB/s vs 64.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

Radeon RX 460 Mobile +193%

2.115 TFLOPS

Radeon R5 A255

VS

Radeon RX 460 Mobile

Graphics Card

Jan 2014

Release Date

Aug 2016

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

1000 MHz

940 MHz

Boost Clock

1180 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

80.00GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

896

24

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

18.88 GPixel/s

22.56 GTexel/s

Texture Rate

66.08 GTexel/s

-

FP16 (half)

2.115 TFLOPS

721.9 GFLOPS

FP32 (float)

2.115 TFLOPS

-

FP64 (double)

132.2 GFLOPS

Board Design

Unknown

TDP

55W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Baffin

Topaz PRO (216-0858030)

GPU Variant

Baffin XT

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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