NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce GTX 970M

VS

NVIDIA GeForce GT 650M Mac Edition

NVIDIA GeForce GTX 970M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 3GB VRAM GeForce GTX 970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970M 's Advantages

Released 2 years and 3 months late

Boost Clock1038MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (120.3GB/s vs 80.26GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

GeForce GTX 970M +284%

2.657 TFLOPS

Blender

GeForce GT 650M Mac Edition

35

GeForce GTX 970M +494%

208

GeForce GT 650M Mac Edition

VS

GeForce GTX 970M

Graphics Card

Jul 2012

Release Date

Oct 2014

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

924 MHz

-

Boost Clock

1038 MHz

1254 MHz

Memory Clock

1253 MHz

Memory

512MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

80.26GB/s

Bandwidth

120.3GB/s

Render Config

-

384

Shading Units

1280

32

TMUs

80

16

ROPs

48

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

49.82 GPixel/s

28.80 GTexel/s

Texture Rate

83.04 GTexel/s

-

691.2 GFLOPS

FP32 (float)

2.657 TFLOPS

28.80 GFLOPS

FP64 (double)

83.04 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GM204

N13P-GT-W-A2

GPU Variant

N16E-GT-A2

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

5.2 billion

118 mm²

Die Size

398 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.2

5.1

Shader Model

6.7 (6.4)

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