NVIDIA GeForce GTX 965M vs NVIDIA GeForce GT 640M LE

VS

NVIDIA GeForce GTX 965M

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 965M and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 965M 's Advantages

Released 3 years and 8 months late

Boost Clock1150MHz

Larger VRAM bandwidth (80.19GB/s vs 50.24GB/s)

928 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 965M +714%

2.355 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

GeForce GTX 965M

VS

GeForce GT 640M LE

Graphics Card

Jan 2016

Release Date

May 2012

GeForce 900M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

935 MHz

Base Clock

-

1150 MHz

Boost Clock

-

1253 MHz

Memory Clock

785 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.19GB/s

Bandwidth

50.24GB/s

Render Config

-

SM Count

2

1024

Shading Units

96

64

TMUs

16

32

ROPs

4

-

48 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

36.80 GPixel/s

Pixel Rate

3.012 GPixel/s

73.60 GTexel/s

Texture Rate

12.05 GTexel/s

-

2.355 TFLOPS

FP32 (float)

289.0 GFLOPS

73.60 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM206S

GPU Name

GF108

N16E-GR-A1

GPU Variant

-

Maxwell 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.94 billion

Transistors

0.585 billion

228 mm²

Die Size

116 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

2.1

6.7

Shader Model

5.1

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