NVIDIA GeForce MX450 30.5W 10Gbps vs NVIDIA GeForce GT 640M LE

VS

NVIDIA GeForce MX450 30.5W 10Gbps NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM GeForce MX450 30.5W 10Gbps 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 MX450 30.5W 10Gbps 's Advantages

Released 8 years and 3 months late

Boost Clock1575MHz

Larger VRAM bandwidth (80.00GB/s vs 50.24GB/s)

800 additional rendering cores

Lower TDP (31W vs 32W)

Score

Benchmark

FP32 (float)

GeForce MX450 30.5W 10Gbps +876%

2.822 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

GeForce MX450 30.5W 10Gbps

VS

GeForce GT 640M LE

Graphics Card

Aug 2020

Release Date

May 2012

GeForce MX

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1575 MHz

Boost Clock

-

1250 MHz

Memory Clock

785 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

80.00GB/s

Bandwidth

50.24GB/s

Render Config

14

SM Count

2

-

Compute Units

-

896

Shading Units

96

56

TMUs

16

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

Theoretical Performance

50.40 GPixel/s

Pixel Rate

3.012 GPixel/s

88.20 GTexel/s

Texture Rate

12.05 GTexel/s

5.645 TFLOPS

FP16 (half)

-

2.822 TFLOPS

FP32 (float)

289.0 GFLOPS

88.20 GFLOPS

FP64 (double)

24.08 GFLOPS

Graphics Processor

TU117

GPU Name

GF108

N18S-G5

GPU Variant

-

Turing

Architecture

Fermi

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

4.7 billion

Transistors

0.585 billion

200 mm²

Die Size

116 mm²

Board Design

31W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

2.1

6.6

Shader Model

5.1

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