NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce GT 650M Mac Edition

NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 2GB VRAM GeForce GTX 850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 32.03GB/s)

NVIDIA GeForce GTX 850M 's Advantages

Released 1 years and 8 months late

More VRAM (2GB vs 512GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

GeForce GTX 850M +67%

1.155 TFLOPS

GeForce GT 650M Mac Edition

VS

GeForce GTX 850M

Graphics Card

Jul 2012

Release Date

Mar 2014

GeForce 600M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1254 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

32.03GB/s

Render Config

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

14.43 GPixel/s

28.80 GTexel/s

Texture Rate

36.08 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1155 GFLOPS

28.80 GFLOPS

FP64 (double)

36.08 GFLOPS

Board Design

45W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GM107

N13P-GT-W-A2

GPU Variant

N15P-GT-A1

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.87 billion

118 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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