AMD Radeon R5 A255 vs AMD Radeon R5 A240

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM Radeon R5 A240 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Boost Clock940MHz

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

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255 +9%

0.721 TFLOPS

Radeon R5 A240

0.659 TFLOPS

Radeon R5 A255

VS

Radeon R5 A240

Graphics Card

Jan 2014

Release Date

Jan 2014

All-In-One

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

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

-

SM Count

-

6

Compute Units

5

384

Shading Units

320

24

TMUs

20

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

8.240 GPixel/s

22.56 GTexel/s

Texture Rate

20.60 GTexel/s

-

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

659.2 GFLOPS

-

FP64 (double)

-

Graphics Processor

Topaz

GPU Name

Jet

Topaz PRO (216-0858030)

GPU Variant

Jet XT

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

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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