NVIDIA GeForce 705A vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce 705A

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705A 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 705A 's Advantages

Released 1 years and 3 months late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 50W)

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Larger VRAM bandwidth (80.00GB/s vs 14.40GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705A

0.091 TFLOPS

GeForce GTX 660M Mac Edition +702%

0.73 TFLOPS

GeForce 705A

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jul 2014

Release Date

Apr 2013

GeForce 700A

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

80.00GB/s

Render Config

-

1

SM Count

-

48

Shading Units

384

8

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

7.600 GPixel/s

3.800 GTexel/s

Texture Rate

30.40 GTexel/s

-

91.20 GFLOPS

FP32 (float)

729.6 GFLOPS

7.600 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

15W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

GK107

GF119 B1

GPU Variant

-

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.27 billion

79 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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