AMD Radeon HD 6490M Mac Edition vs AMD Radeon Pro 560X

VS

AMD Radeon HD 6490M Mac Edition

AMD Radeon Pro 560X

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 4GB VRAM Radeon Pro 560X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 560X 's Advantages

Released 7 years and 2 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (94.08GB/s vs 25.41GB/s)

864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon Pro 560X +756%

2.056 TFLOPS

Radeon HD 6490M Mac Edition

VS

Radeon Pro 560X

Graphics Card

May 2011

Release Date

Jul 2018

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

794 MHz

Memory Clock

1470 MHz

Memory

256MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.41GB/s

Bandwidth

94.08GB/s

Render Config

2

Compute Units

16

-

160

Shading Units

1024

8

TMUs

64

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

16.06 GPixel/s

6.000 GTexel/s

Texture Rate

64.26 GTexel/s

-

FP16 (half)

2.056 TFLOPS

240.0 GFLOPS

FP32 (float)

2.056 TFLOPS

-

FP64 (double)

128.5 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Polaris 21

Seymour XTX M2 (216-0809000)

GPU Variant

Polaris 21 XT (215-0908004)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

3 billion

67 mm²

Die Size

123 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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