NVIDIA GeForce GT 640M LE vs NVIDIA NVS 3100M

VS

NVIDIA GeForce GT 640M LE NVIDIA NVS 3100M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 512MB VRAM NVS 3100M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M LE 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (50.24GB/s vs 12.64GB/s)

80 additional rendering cores

NVIDIA NVS 3100M 's Advantages

Lower TDP (14W vs 32W)

Score

Benchmark

FP32 (float)

GeForce GT 640M LE +514%

0.289 TFLOPS

NVS 3100M

0.047 TFLOPS

GeForce GT 640M LE

VS

NVS 3100M

Graphics Card

May 2012

Release Date

Jan 2010

GeForce 600M

Generation

NVS Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

785 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

50.24GB/s

Bandwidth

12.64GB/s

Render Config

2

SM Count

2

-

Compute Units

-

96

Shading Units

16

TMUs

8

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

3.012 GPixel/s

Pixel Rate

2.424 GPixel/s

12.05 GTexel/s

Texture Rate

4.848 GTexel/s

-

FP16 (half)

-

289.0 GFLOPS

FP32 (float)

46.98 GFLOPS

24.08 GFLOPS

FP64 (double)

-

Graphics Processor

GF108

GPU Name

GT218

-

GPU Variant

N10M-NS

Fermi

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

0.26 billion

116 mm²

Die Size

57 mm²

Board Design

32W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.2

5.1

Shader Model

4.1

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