AMD Radeon HD 6490M Mac Edition vs AMD Radeon R7 M260X

VS

AMD Radeon HD 6490M Mac Edition AMD Radeon R7 M260X

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1024MB VRAM Radeon R7 M260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M260X 's Advantages

Released 4 years and 7 months late

Boost Clock715MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 25.41GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon R7 M260X +128%

0.549 TFLOPS

Radeon HD 6490M Mac Edition

VS

Radeon R7 M260X

Graphics Card

May 2011

Release Date

Dec 2015

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

794 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.41GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

2

Compute Units

6

160

Shading Units

384

8

TMUs

24

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

3.000 GPixel/s

Pixel Rate

5.720 GPixel/s

6.000 GTexel/s

Texture Rate

17.16 GTexel/s

-

FP16 (half)

-

240.0 GFLOPS

FP32 (float)

549.1 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

Opal

Seymour XTX M2 (216-0809000)

GPU Variant

Opal PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

0.95 billion

67 mm²

Die Size

77 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5 (5.1)

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