NVIDIA GeForce RTX 3070 Ti Mobile vs NVIDIA GeForce GT 640M LE

VS

NVIDIA GeForce RTX 3070 Ti Mobile

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 Ti Mobile 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 RTX 3070 Ti Mobile 's Advantages

Released 9 years and 8 months late

Boost Clock1410MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 50.24GB/s)

5792 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Ti Mobile +5643%

16.6 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

GeForce RTX 3070 Ti Mobile

VS

GeForce GT 640M LE

Graphics Card

Jan 2022

Release Date

May 2012

GeForce 30 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

1410 MHz

Boost Clock

-

1750 MHz

Memory Clock

785 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

50.24GB/s

Render Config

-

46

SM Count

2

5888

Shading Units

96

184

TMUs

16

96

ROPs

4

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

135.4 GPixel/s

Pixel Rate

3.012 GPixel/s

259.4 GTexel/s

Texture Rate

12.05 GTexel/s

16.60 TFLOPS

FP16 (half)

-

16.60 TFLOPS

FP32 (float)

289.0 GFLOPS

259.4 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

115W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

GF108

-

Ampere

Architecture

Fermi

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.585 billion

392 mm²

Die Size

116 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.6

Shader Model

5.1

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