AMD Radeon HD 6650M vs ATI Mobility Radeon HD 3850

VS

AMD Radeon HD 6650M

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650M 's Advantages

Released 2 years and 7 months late

More VRAM (1024GB vs 512GB)

160 additional rendering cores

ATI Mobility Radeon HD 3850 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6650M +55%

0.576 TFLOPS

Mobility Radeon HD 3850

0.371 TFLOPS

Radeon HD 6650M

VS

Mobility Radeon HD 3850

Graphics Card

Jan 2011

Release Date

Jun 2008

Vancouver

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

48.00GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.280 GPixel/s

14.40 GTexel/s

Texture Rate

9.280 GTexel/s

-

576.0 GFLOPS

FP32 (float)

371.2 GFLOPS

-

FP64 (double)

74.24 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

M88

Whistler LE (216-0810028)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.666 billion

118 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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