AMD Radeon R5 A255 vs AMD Radeon HD 6330M

VS

AMD Radeon R5 A255

AMD Radeon HD 6330M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM Radeon HD 6330M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 3 years and 2 months late

Boost Clock940MHz

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255 +801%

0.721 TFLOPS

Radeon HD 6330M

0.08 TFLOPS

Radeon R5 A255

VS

Radeon HD 6330M

Graphics Card

Jan 2014

Release Date

Nov 2010

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

12.80GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

80

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

2.000 GPixel/s

22.56 GTexel/s

Texture Rate

4.000 GTexel/s

-

721.9 GFLOPS

FP32 (float)

80.00 GFLOPS

-

Board Design

Unknown

TDP

7W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Robson

Topaz PRO (216-0858030)

GPU Variant

Robson LP

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.292 billion

125 mm²

Die Size

59 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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