NVIDIA GeForce GT 640M LE vs NVIDIA GeForce GT 735M

VS

NVIDIA GeForce GT 640M LE NVIDIA GeForce GT 735M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 2GB VRAM GeForce GT 735M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M LE 's Advantages

Larger VRAM bandwidth (50.24GB/s vs 14.40GB/s)

Lower TDP (32W vs 33W)

NVIDIA GeForce GT 735M 's Advantages

Released 11 months late

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M LE

0.289 TFLOPS

GeForce GT 735M +52%

0.442 TFLOPS

GeForce GT 640M LE

VS

GeForce GT 735M

Graphics Card

May 2012

Release Date

Apr 2013

GeForce 600M

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

785 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

50.24GB/s

Bandwidth

14.40GB/s

Render Config

2

SM Count

-

Compute Units

-

96

Shading Units

384

16

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

3.012 GPixel/s

Pixel Rate

4.600 GPixel/s

12.05 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

-

289.0 GFLOPS

FP32 (float)

441.6 GFLOPS

24.08 GFLOPS

FP64 (double)

18.40 GFLOPS

Graphics Processor

GF108

GPU Name

GK208

-

GPU Variant

N14M-LP

Fermi

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.02 billion

116 mm²

Die Size

87 mm²

Board Design

32W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.5

5.1

Shader Model

5.1

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