AMD Radeon HD 6650M vs ATI Mobility Radeon HD 2600 XT

VS

AMD Radeon HD 6650M

ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 256MB VRAM Mobility Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650M 's Advantages

Released 3 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 24.00GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6650M +253%

0.576 TFLOPS

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon HD 6650M

VS

Mobility Radeon HD 2600 XT

Graphics Card

Jan 2011

Release Date

May 2007

Vancouver

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

800 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

24.00GB/s

Render Config

6

Compute Units

3

-

480

Shading Units

120

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.720 GPixel/s

14.40 GTexel/s

Texture Rate

5.440 GTexel/s

-

576.0 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Whistler

GPU Name

M76

Whistler LE (216-0810028)

GPU Variant

M76 XT-M (216XJBKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.716 billion

Transistors

0.39 billion

118 mm²

Die Size

153 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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