NVIDIA GeForce GT 650M vs NVIDIA GeForce 940MX

VS

NVIDIA GeForce GT 650M

NVIDIA GeForce 940MX

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 2GB VRAM GeForce 940MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

NVIDIA GeForce 940MX 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 31% (1242MHz vs 950MHz)

More VRAM (2GB vs 1024GB)

Lower TDP (23W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M

0.73 TFLOPS

GeForce 940MX +30%

0.954 TFLOPS

GeForce GT 650M

VS

GeForce 940MX

Graphics Card

Mar 2012

Release Date

Jan 2016

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

835 MHz

Base Clock

1004 MHz

950 MHz

Boost Clock

1242 MHz

900 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.02GB/s

Render Config

-

384

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

9.936 GPixel/s

30.40 GTexel/s

Texture Rate

29.81 GTexel/s

-

729.6 GFLOPS

FP32 (float)

953.9 GFLOPS

30.40 GFLOPS

FP64 (double)

29.81 GFLOPS

Board Design

45W

TDP

23W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GM108

N13P-GT-A2

GPU Variant

N16S-GTR-S

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

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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