NVIDIA NVS 4200M vs NVIDIA GeForce GT 640M LE

VS

NVIDIA NVS 4200M

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 1024MB VRAM NVS 4200M 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 NVS 4200M 's Advantages

Lower TDP (25W vs 32W)

NVIDIA GeForce GT 640M LE 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (50.24GB/s vs 12.80GB/s)

48 additional rendering cores

Score

Benchmark

FP32 (float)

NVS 4200M

0.156 TFLOPS

GeForce GT 640M LE +85%

0.289 TFLOPS

NVS 4200M

VS

GeForce GT 640M LE

Graphics Card

Feb 2011

Release Date

May 2012

NVS Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

MXM

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

785 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

50.24GB/s

Render Config

-

1

SM Count

2

48

Shading Units

96

8

TMUs

16

4

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

3.012 GPixel/s

6.480 GTexel/s

Texture Rate

12.05 GTexel/s

-

155.5 GFLOPS

FP32 (float)

289.0 GFLOPS

12.96 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

25W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

GF108

N12P-NS1-S-A1

GPU Variant

-

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.585 billion

79 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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