NVIDIA GeForce GT 640M LE vs NVIDIA GeForce RTX 4050 Mobile

VS

NVIDIA GeForce GT 640M LE NVIDIA GeForce RTX 4050 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 6GB VRAM GeForce RTX 4050 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 50W)

NVIDIA GeForce RTX 4050 Mobile 's Advantages

Released 10 years and 8 months late

Boost Clock1755MHz

More VRAM (6GB vs 2GB)

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

2464 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M LE

0.289 TFLOPS

GeForce RTX 4050 Mobile +3009%

8.986 TFLOPS

GeForce GT 640M LE

VS

GeForce RTX 4050 Mobile

Graphics Card

May 2012

Release Date

Jan 2023

GeForce 600M

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1455 MHz

-

Boost Clock

1755 MHz

785 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

96bit

50.24GB/s

Bandwidth

192.0GB/s

Render Config

2

SM Count

20

-

Compute Units

-

96

Shading Units

2560

16

TMUs

80

4

ROPs

48

-

Tensor Cores

80

-

RT Cores

20

64 KB (per SM)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

12 MB

Theoretical Performance

3.012 GPixel/s

Pixel Rate

84.24 GPixel/s

12.05 GTexel/s

Texture Rate

140.4 GTexel/s

-

FP16 (half)

8.986 TFLOPS

289.0 GFLOPS

FP32 (float)

8.986 TFLOPS

24.08 GFLOPS

FP64 (double)

140.4 GFLOPS

Graphics Processor

GF108

GPU Name

AD107

-

GPU Variant

GN21-X2

Fermi

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.585 billion

Transistors

18.9 billion

116 mm²

Die Size

159 mm²

Board Design

32W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

8.9

5.1

Shader Model

6.7

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