GeForce MX450 25W vs GT 320M

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1344not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.34no data
ArchitectureTesla (2006−2010)Turing (2018−2022)
GPU code nameG96CTU117
Market segmentLaptopLaptop
Release date15 June 2009 (15 years ago)15 August 2020 (4 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores32896
Core clock speed500 MHz720 MHz
Boost clock speedno data930 MHz
Number of transistors314 million4,700 million
Manufacturing process technology55 nm12 nm
Power consumption (TDP)14 Watt25 Watt
Texture fill rate8.00052.08
Floating-point processing power0.08 TFLOPS1.667 TFLOPS
ROPs832
TMUs1656

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizemedium sizedno data
InterfaceMXM-IIPCIe 4.0 x4
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR6
Maximum RAM amount512 MB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed800 MHz1250 MHz
Memory bandwidth25.6 GB/s80 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.1 (10_0)12 (12_1)
Shader Model4.06.5
OpenGL3.34.6
OpenCL1.11.2
VulkanN/A1.2
CUDA1.17.5

Pros & cons summary


Recency 15 June 2009 15 August 2020
Maximum RAM amount 512 MB 2 GB
Chip lithography 55 nm 12 nm
Power consumption (TDP) 14 Watt 25 Watt

GT 320M has 78.6% lower power consumption.

MX450 25W, on the other hand, has an age advantage of 11 years, a 300% higher maximum VRAM amount, and a 358.3% more advanced lithography process.

We couldn't decide between GeForce GT 320M and GeForce MX450 25W. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GT 320M
GeForce GT 320M
NVIDIA GeForce MX450 25W
GeForce MX450 25W

Comparisons with similar GPUs

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Community ratings

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3.3 122 votes

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3.9 26 votes

Rate GeForce MX450 25W on a scale of 1 to 5:

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Questions & comments

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