AMD Radeon HD 6490M vs AMD Radeon R7 M260

VS

AMD Radeon HD 6490M

AMD Radeon R7 M260

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 2GB VRAM Radeon R7 M260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

AMD Radeon R7 M260 's Advantages

Released 3 years and 5 months late

Boost Clock980MHz

More VRAM (2GB vs 512GB)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon R7 M260 +193%

0.752 TFLOPS

Radeon HD 6490M

VS

Radeon R7 M260

Graphics Card

Jan 2011

Release Date

Jun 2014

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

940 MHz

-

Boost Clock

980 MHz

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

384

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

7.840 GPixel/s

6.400 GTexel/s

Texture Rate

23.52 GTexel/s

-

FP16 (half)

752.6 GFLOPS

256.0 GFLOPS

FP32 (float)

752.6 GFLOPS

-

FP64 (double)

47.04 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Seymour

GPU Name

Topaz

Seymour XTX S3 (216-0809024)

GPU Variant

Topaz XT (216-0858020)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.55 billion

67 mm²

Die Size

125 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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