AMD Radeon R5 M255 vs ATI Mobility Radeon HD 5450

VS

AMD Radeon R5 M255

ATI Mobility Radeon HD 5450

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM Mobility Radeon HD 5450 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 12.80GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255 +567%

0.721 TFLOPS

Mobility Radeon HD 5450

0.108 TFLOPS

Radeon R5 M255

VS

Mobility Radeon HD 5450

Graphics Card

Oct 2014

Release Date

Jan 2010

Gem System

Generation

Manhattan

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

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

12.80GB/s

Render Config

6

Compute Units

1

-

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

2.700 GPixel/s

22.56 GTexel/s

Texture Rate

5.400 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

108.0 GFLOPS

45.12 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

11W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Park

Topaz PRO (216-0858030)

GPU Variant

Park PRO (216-0774007)

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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