NVIDIA GeForce GT 650M vs NVIDIA GeForce 940M

VS

NVIDIA GeForce GT 650M NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 2GB VRAM GeForce 940M 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 14.40GB/s)

Lower TDP (45W vs 75W)

NVIDIA GeForce 940M 's Advantages

Released 3 years late

Boost Clock has increased by 16% (1098MHz vs 950MHz)

More VRAM (2GB vs 1GB)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M

0.73 TFLOPS

GeForce 940M +53%

1.124 TFLOPS

GeForce GT 650M

VS

GeForce 940M

Graphics Card

Mar 2012

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

835 MHz

Base Clock

1020 MHz

950 MHz

Boost Clock

1098 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

512

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

17.57 GPixel/s

30.40 GTexel/s

Texture Rate

35.14 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

1124 GFLOPS

30.40 GFLOPS

FP64 (double)

35.14 GFLOPS

Graphics Processor

GK107

GPU Name

GM107

N13P-GT-A2

GPU Variant

N16S-GT1-KB-B

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

Board Design

45W

TDP

75W

-

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

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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