NVIDIA GeForce GT 550M vs ATI Mobility Radeon HD 4670 Mac Edition

VS

NVIDIA GeForce GT 550M

ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 550M and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 550M 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 25.28GB/s)

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 550M

0.284 TFLOPS

Mobility Radeon HD 4670 Mac Edition +53%

0.435 TFLOPS

GeForce GT 550M

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

Jan 2011

Release Date

Sep 2009

GeForce 500M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.28GB/s

Render Config

-

Compute Units

4

2

SM Count

-

96

Shading Units

320

16

TMUs

32

4

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

5.440 GPixel/s

11.84 GTexel/s

Texture Rate

21.76 GTexel/s

-

284.2 GFLOPS

FP32 (float)

435.2 GFLOPS

23.68 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

M96

N12P-GT1-A1

GPU Variant

M96 XT (216-0729051)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.585 billion

Transistors

0.514 billion

116 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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