AMD Radeon R5 M255 vs ATI Mobility Radeon HD 2400

VS

AMD Radeon R5 M255

ATI Mobility Radeon HD 2400

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 256MB VRAM Mobility Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 7 years and 5 months late

Boost Clock940MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (32.00GB/s vs 6.400GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255 +1902%

0.721 TFLOPS

Mobility Radeon HD 2400

0.036 TFLOPS

Radeon R5 M255

VS

Mobility Radeon HD 2400

Graphics Card

Oct 2014

Release Date

May 2007

Gem System

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

6.400GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

40

24

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

1.800 GPixel/s

22.56 GTexel/s

Texture Rate

1.800 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

36.00 GFLOPS

45.12 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Topaz

GPU Name

M72

Topaz PRO (216-0858030)

GPU Variant

M72-S (216QSAKA12FG)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.55 billion

Transistors

0.18 billion

125 mm²

Die Size

85 mm²

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.0

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