NVIDIA GeForce GT 445M vs NVIDIA GeForce GT 650M Mac Edition

VS

NVIDIA GeForce GT 445M

NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 45W)

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Released 1 years and 10 months late

Larger VRAM bandwidth (80.26GB/s vs 40.00GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

GeForce GT 650M Mac Edition +110%

0.691 TFLOPS

GeForce GT 445M

VS

GeForce GT 650M Mac Edition

Graphics Card

Sep 2010

Release Date

Jul 2012

GeForce 400M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

625 MHz

Memory Clock

1254 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

40.00GB/s

Bandwidth

80.26GB/s

Render Config

-

3

SM Count

-

144

Shading Units

384

24

TMUs

32

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

7.200 GPixel/s

13.68 GTexel/s

Texture Rate

28.80 GTexel/s

-

328.3 GFLOPS

FP32 (float)

691.2 GFLOPS

27.36 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

GK107

N11E-GE-A1

GPU Variant

N13P-GT-W-A2

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

1.27 billion

238 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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