ATI Radeon E2400 vs AMD Radeon R5 A255

VS

ATI Radeon E2400

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 128MB VRAM Radeon E2400 and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 6 years and 7 months late

Boost Clock940MHz

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E2400

0.048 TFLOPS

Radeon R5 A255 +1402%

0.721 TFLOPS

Radeon E2400

VS

Radeon R5 A255

Graphics Card

Jun 2007

Release Date

Jan 2014

Embedded

Generation

All-In-One

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

700 MHz

Memory Clock

1000 MHz

Memory

128MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

6

-

40

Shading Units

384

4

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

7.520 GPixel/s

2.400 GTexel/s

Texture Rate

22.56 GTexel/s

-

48.00 GFLOPS

FP32 (float)

721.9 GFLOPS

-

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

RV610

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.18 billion

Transistors

1.55 billion

85 mm²

Die Size

125 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2.170

-

4.0

Shader Model

6.5

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