AMD Radeon HD 6490M vs AMD Radeon RX 550 Mobile

VS

AMD Radeon HD 6490M

AMD Radeon RX 550 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 2GB VRAM Radeon RX 550 Mobile 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 6 months late

Boost Clock1287MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon RX 550 Mobile +543%

1.647 TFLOPS

Radeon HD 6490M

VS

Radeon RX 550 Mobile

Graphics Card

Jan 2011

Release Date

Jul 2017

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1287 MHz

800 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

96.00GB/s

Render Config

2

Compute Units

10

-

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

20.59 GPixel/s

6.400 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

256.0 GFLOPS

FP32 (float)

1.647 TFLOPS

-

FP64 (double)

103.0 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Lexa

Seymour XTX S3 (216-0809024)

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

2.2 billion

67 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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