GeForce MX450 25W vs ATI Radeon X1900 GT

VS

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureR500 (2005−2007)Turing (2018−2022)
GPU code nameR580TU117
Market segmentDesktopLaptop
Release date1 May 2006 (18 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 coresno data896
Core clock speed575 MHz720 MHz
Boost clock speedno data930 MHz
Number of transistors384 million4,700 million
Manufacturing process technology90 nm12 nm
Power consumption (TDP)75 Watt25 Watt
Texture fill rate6.90052.08
Floating-point processing powerno data1.667 TFLOPS
ROPs1232
TMUs1256

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).

InterfacePCIe 1.0 x16PCIe 4.0 x4
Width1-slotno data
Supplementary power connectors1x 6-pinNone

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 amount256 MB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed600 MHz1250 MHz
Memory bandwidth38.4 GB/s80 GB/s

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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)12 (12_1)
Shader Model3.06.5
OpenGL2.04.6
OpenCLN/A1.2
VulkanN/A1.2
CUDA-7.5

Pros & cons summary


Recency 1 May 2006 15 August 2020
Maximum RAM amount 256 MB 2 GB
Chip lithography 90 nm 12 nm
Power consumption (TDP) 75 Watt 25 Watt

MX450 25W has an age advantage of 14 years, a 700% higher maximum VRAM amount, a 650% more advanced lithography process, and 200% lower power consumption.

We couldn't decide between Radeon X1900 GT and GeForce MX450 25W. We've got no test results to judge.

Be aware that Radeon X1900 GT is a desktop card while GeForce MX450 25W is a notebook one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon X1900 GT
Radeon X1900 GT
NVIDIA GeForce MX450 25W
GeForce MX450 25W

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.9 36 votes

Rate Radeon X1900 GT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 26 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.