NVIDIA GeForce GT 640M LE vs NVIDIA T600 Mobile

VS

NVIDIA GeForce GT 640M LE NVIDIA T600 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 4GB VRAM T600 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 40W)

NVIDIA T600 Mobile 's Advantages

Released 8 years and 11 months late

Boost Clock1410MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 50.24GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M LE

0.289 TFLOPS

T600 Mobile +774%

2.527 TFLOPS

GeForce GT 640M LE

VS

T600 Mobile

Graphics Card

May 2012

Release Date

Apr 2021

GeForce 600M

Generation

Quadro Turing-M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

1410 MHz

785 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

50.24GB/s

Bandwidth

192.0GB/s

Render Config

2

SM Count

14

-

Compute Units

-

96

Shading Units

896

16

TMUs

56

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

3.012 GPixel/s

Pixel Rate

45.12 GPixel/s

12.05 GTexel/s

Texture Rate

78.96 GTexel/s

-

FP16 (half)

5.053 TFLOPS

289.0 GFLOPS

FP32 (float)

2.527 TFLOPS

24.08 GFLOPS

FP64 (double)

78.96 GFLOPS

Graphics Processor

GF108

GPU Name

TU117

-

GPU Variant

-

Fermi

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

0.585 billion

Transistors

4.7 billion

116 mm²

Die Size

200 mm²

Board Design

32W

TDP

40W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

7.5

5.1

Shader Model

6.7

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