AMD Radeon RX 460 Mobile vs AMD Radeon HD 6490M Mac Edition

VS

AMD Radeon RX 460 Mobile

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 460 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 460 Mobile 's Advantages

Released 5 years and 3 months late

Boost Clock1180MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 25.41GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 Mobile +781%

2.115 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon RX 460 Mobile

VS

Radeon HD 6490M Mac Edition

Graphics Card

Aug 2016

Release Date

May 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1180 MHz

Boost Clock

-

1250 MHz

Memory Clock

794 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

25.41GB/s

Render Config

14

Compute Units

2

-

896

Shading Units

160

56

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

18.88 GPixel/s

Pixel Rate

3.000 GPixel/s

66.08 GTexel/s

Texture Rate

6.000 GTexel/s

2.115 TFLOPS

FP16 (half)

-

2.115 TFLOPS

FP32 (float)

240.0 GFLOPS

132.2 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Seymour

Baffin XT

GPU Variant

Seymour XTX M2 (216-0809000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.37 billion

123 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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