ATI Mobility Radeon HD 4550 vs NVIDIA GeForce GTX 660M Mac Edition

VS

ATI Mobility Radeon HD 4550

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 512MB VRAM GeForce GTX 660M Mac Edition 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 3 years and 3 months late

Larger VRAM bandwidth (80.00GB/s vs 11.20GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

GeForce GTX 660M Mac Edition +729%

0.73 TFLOPS

Mobility Radeon HD 4550

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2010

Release Date

Apr 2013

M9x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

80.00GB/s

Render Config

1

Compute Units

-

80

Shading Units

384

8

TMUs

32

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

7.600 GPixel/s

4.400 GTexel/s

Texture Rate

30.40 GTexel/s

-

88.00 GFLOPS

FP32 (float)

729.6 GFLOPS

-

FP64 (double)

30.40 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M93

GPU Name

GK107

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

1.27 billion

73 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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