NVIDIA GeForce GT 750M Mac Edition vs NVIDIA GeForce GT 640M

VS

NVIDIA GeForce GT 750M Mac Edition NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 750M Mac Edition and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 750M Mac Edition 's Advantages

Released 1 years and 8 months late

Larger VRAM bandwidth (80.26GB/s vs 28.80GB/s)

NVIDIA GeForce GT 640M 's Advantages

Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GT 750M Mac Edition +48%

0.711 TFLOPS

GeForce GT 640M

0.48 TFLOPS

GeForce GT 750M Mac Edition

VS

GeForce GT 640M

Graphics Card

Nov 2013

Release Date

Mar 2012

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1254 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

384

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.408 GPixel/s

Pixel Rate

5.000 GPixel/s

29.63 GTexel/s

Texture Rate

20.00 GTexel/s

-

FP16 (half)

-

711.2 GFLOPS

FP32 (float)

480.0 GFLOPS

29.63 GFLOPS

FP64 (double)

20.00 GFLOPS

Graphics Processor

GK107

GPU Name

GK107

N14P-GT

GPU Variant

N13P-GS

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.27 billion

118 mm²

Die Size

118 mm²

Board Design

50W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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