AMD Radeon HD 6750M Mac Edition vs NVIDIA GeForce GTX 660M

VS

AMD Radeon HD 6750M Mac Edition

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6750M Mac Edition and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750M Mac Edition 's Advantages

96 additional rendering cores

Lower TDP (35W vs 50W)

NVIDIA GeForce GTX 660M 's Advantages

Released 11 months late

Boost Clock950MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 50.82GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6750M Mac Edition

0.574 TFLOPS

GeForce GTX 660M +27%

0.73 TFLOPS

Radeon HD 6750M Mac Edition

VS

GeForce GTX 660M

Graphics Card

Apr 2011

Release Date

Mar 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

835 MHz

-

Boost Clock

950 MHz

794 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

50.82GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.784 GPixel/s

Pixel Rate

7.600 GPixel/s

14.35 GTexel/s

Texture Rate

30.40 GTexel/s

-

574.1 GFLOPS

FP32 (float)

729.6 GFLOPS

-

FP64 (double)

30.40 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GK107

Whistler PRO (216-0810005)

GPU Variant

N13E-GE-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.27 billion

104 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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