AMD Radeon HD 6490M Mac Edition vs AMD Radeon HD 7690M XT

VS

AMD Radeon HD 6490M Mac Edition

AMD Radeon HD 7690M XT

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 2GB VRAM Radeon HD 7690M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7690M XT 's Advantages

Released 1 years and 8 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (57.60GB/s vs 25.41GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon HD 7690M XT +190%

0.696 TFLOPS

Radeon HD 6490M Mac Edition

VS

Radeon HD 7690M XT

Graphics Card

May 2011

Release Date

Jan 2013

Vancouver

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

794 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.41GB/s

Bandwidth

57.60GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

480

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

5.800 GPixel/s

6.000 GTexel/s

Texture Rate

17.40 GTexel/s

-

240.0 GFLOPS

FP32 (float)

696.0 GFLOPS

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

Thames

Seymour XTX M2 (216-0809000)

GPU Variant

Thames XTX

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

104 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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