AMD Radeon HD 6650A vs NVIDIA GeForce GT 445M

VS

AMD Radeon HD 6650A

NVIDIA GeForce GT 445M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 1024MB VRAM GeForce GT 445M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

Released 7 months late

336 additional rendering cores

NVIDIA GeForce GT 445M 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 28.80GB/s)

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6650A +75%

0.576 TFLOPS

GeForce GT 445M

0.328 TFLOPS

Radeon HD 6650A

VS

GeForce GT 445M

Graphics Card

Apr 2011

Release Date

Sep 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

625 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

40.00GB/s

Render Config

6

Compute Units

-

SM Count

3

480

Shading Units

144

24

TMUs

24

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

3.420 GPixel/s

14.40 GTexel/s

Texture Rate

13.68 GTexel/s

-

576.0 GFLOPS

FP32 (float)

328.3 GFLOPS

-

FP64 (double)

27.36 GFLOPS

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Onega

GPU Name

GF106

-

GPU Variant

N11E-GE-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.17 billion

118 mm²

Die Size

238 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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