AMD Radeon HD 7850M vs AMD Radeon HD 6650A

VS

AMD Radeon HD 7850M

AMD Radeon HD 6650A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 1024MB VRAM Radeon HD 6650A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

Released 1 years late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

160 additional rendering cores

Lower TDP (40W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 7850M +50%

0.864 TFLOPS

Radeon HD 6650A

0.576 TFLOPS

Radeon HD 7850M

VS

Radeon HD 6650A

Graphics Card

Apr 2012

Release Date

Apr 2011

London

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

480

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

4.800 GPixel/s

27.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

864.0 GFLOPS

FP32 (float)

576.0 GFLOPS

54.00 GFLOPS

FP64 (double)

-

Board Design

40W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Heathrow

GPU Name

Onega

Heathrow PRO

GPU Variant

-

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.716 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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