ATI Mobility Radeon HD 4550 vs AMD Radeon R5 M255

VS

ATI Mobility Radeon HD 4550

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 2GB VRAM Radeon R5 M255 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 512GB)

Larger VRAM bandwidth (32.00GB/s vs 11.20GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon R5 M255 +719%

0.721 TFLOPS

Mobility Radeon HD 4550

VS

Radeon R5 M255

Graphics Card

Jan 2010

Release Date

Oct 2014

M9x

Generation

Gem System

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

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

32.00GB/s

Render Config

1

Compute Units

6

-

80

Shading Units

384

8

TMUs

24

4

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

7.520 GPixel/s

4.400 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

88.00 GFLOPS

FP32 (float)

721.9 GFLOPS

-

FP64 (double)

45.12 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M93

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

1.55 billion

73 mm²

Die Size

125 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5

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