NVIDIA GeForce RTX 4070 Max-Q vs NVIDIA GeForce GT 640M LE

VS

NVIDIA GeForce RTX 4070 Max-Q

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Max Q 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 4070 Max-Q 's Advantages

Released 10 years and 8 months late

Boost Clock1230MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 50.24GB/s)

4512 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 35W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Max Q +3823%

11.34 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

GeForce RTX 4070 Max Q

VS

GeForce GT 640M LE

Graphics Card

Jan 2023

Release Date

May 2012

GeForce 40 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1230 MHz

Boost Clock

-

1750 MHz

Memory Clock

785 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

50.24GB/s

Render Config

-

36

SM Count

2

4608

Shading Units

96

144

TMUs

16

48

ROPs

4

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

32 MB

L2 Cache

256 KB

-

Theoretical Performance

59.04 GPixel/s

Pixel Rate

3.012 GPixel/s

177.1 GTexel/s

Texture Rate

12.05 GTexel/s

11.34 TFLOPS

FP16 (half)

-

11.34 TFLOPS

FP32 (float)

289.0 GFLOPS

177.1 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

35W

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD106

GPU Name

GF108

GN21-X6

GPU Variant

-

Ada Lovelace

Architecture

Fermi

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

0.585 billion

190 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

8.9

CUDA

2.1

6.7

Shader Model

5.1

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