NVIDIA GeForce GTX 660M Mac Edition vs ATI Mobility Radeon HD 3430

VS

NVIDIA GeForce GTX 660M Mac Edition ATI Mobility Radeon HD 3430

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 256MB VRAM Mobility Radeon HD 3430 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Released 4 years and 9 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 6.400GB/s)

344 additional rendering cores

ATI Mobility Radeon HD 3430 's Advantages

Lower TDP (12W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition +1927%

0.73 TFLOPS

Mobility Radeon HD 3430

0.036 TFLOPS

GeForce GTX 660M Mac Edition

VS

Mobility Radeon HD 3430

Graphics Card

Apr 2013

Release Date

Jul 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

Compute Units

2

384

Shading Units

40

32

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

1.800 GPixel/s

30.40 GTexel/s

Texture Rate

1.800 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

36.00 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

M82

-

GPU Variant

M82-SE

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.181 billion

118 mm²

Die Size

67 mm²

Board Design

50W

TDP

12W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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