NVIDIA GeForce 930M vs NVIDIA GeForce GT 640M

VS

NVIDIA GeForce 930M

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 930M 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 930M 's Advantages

Released 3 years late

Boost Clock941MHz

NVIDIA GeForce GT 640M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 930M +50%

0.723 TFLOPS

GeForce GT 640M

0.48 TFLOPS

GeForce 930M

VS

GeForce GT 640M

Graphics Card

Mar 2015

Release Date

Mar 2012

GeForce 900M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

928 MHz

Base Clock

-

941 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

-

384

Shading Units

384

24

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

5.000 GPixel/s

22.58 GTexel/s

Texture Rate

20.00 GTexel/s

-

722.7 GFLOPS

FP32 (float)

480.0 GFLOPS

22.58 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

33W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

GK107

N16S-GM

GPU Variant

N13P-GS

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

Unknown

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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