AMD Radeon RX 550 Mobile vs AMD Radeon HD 6490M Mac Edition

VS

AMD Radeon RX 550 Mobile

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 Mobile 's Advantages

Released 6 years and 2 months late

Boost Clock1287MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 25.41GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile +586%

1.647 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon RX 550 Mobile

VS

Radeon HD 6490M Mac Edition

Graphics Card

Jul 2017

Release Date

May 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

794 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

25.41GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

3.000 GPixel/s

51.48 GTexel/s

Texture Rate

6.000 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

240.0 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Seymour

Lexa PRO (215-0904018)

GPU Variant

Seymour XTX M2 (216-0809000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.37 billion

103 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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