AMD Radeon R5 A255 vs AMD Radeon HD 7730M

VS

AMD Radeon R5 A255

AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 39% (940MHz vs 675MHz)

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

AMD Radeon HD 7730M 's Advantages

More VRAM (2GB vs 1024GB)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255 +4%

0.721 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

Radeon R5 A255

VS

Radeon HD 7730M

Graphics Card

Jan 2014

Release Date

Apr 2012

All-In-One

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

575 MHz

940 MHz

Boost Clock

675 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

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

10.80 GPixel/s

22.56 GTexel/s

Texture Rate

21.60 GTexel/s

-

721.9 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Chelsea

Topaz PRO (216-0858030)

GPU Variant

Chelsea LE (216-0834065)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.5 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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