AMD Radeon HD 6490M vs AMD Radeon RX 460 Mobile

VS

AMD Radeon HD 6490M

AMD Radeon RX 460 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 4GB VRAM Radeon RX 460 Mobile 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 7 months late

Boost Clock1180MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon RX 460 Mobile +726%

2.115 TFLOPS

Radeon HD 6490M

VS

Radeon RX 460 Mobile

Graphics Card

Jan 2011

Release Date

Aug 2016

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1180 MHz

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

80.00GB/s

Render Config

2

Compute Units

14

-

160

Shading Units

896

8

TMUs

56

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

18.88 GPixel/s

6.400 GTexel/s

Texture Rate

66.08 GTexel/s

-

FP16 (half)

2.115 TFLOPS

256.0 GFLOPS

FP32 (float)

2.115 TFLOPS

-

FP64 (double)

132.2 GFLOPS

Board Design

Unknown

TDP

55W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Baffin

Seymour XTX S3 (216-0809024)

GPU Variant

Baffin XT

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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