AMD Radeon R5 M255 vs ATI Mobility Radeon HD 5145

VS

AMD Radeon R5 M255

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 4 years and 9 months late

Boost Clock940MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255 +526%

0.721 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

Radeon R5 M255

VS

Mobility Radeon HD 5145

Graphics Card

Oct 2014

Release Date

Jan 2010

Gem System

Generation

M9x

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

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

1

-

384

Shading Units

80

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

2.880 GPixel/s

22.56 GTexel/s

Texture Rate

5.760 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

115.2 GFLOPS

45.12 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

M92

Topaz PRO (216-0858030)

GPU Variant

-

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.242 billion

125 mm²

Die Size

73 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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