ATI Mobility Radeon X1900 vs ATI HD 5450

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
ArchitectureTeraScale 2 (2009−2015)R500 (2005−2007)
GPU code nameCedarM68
Market segmentDesktopLaptop
Release date4 February 2010 (14 years ago)11 January 2007 (17 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 cores8044
Core clock speed650 MHz400 MHz
Boost clock speedno data400 MHz
Number of transistors292 million384 million
Manufacturing process technology40 nm80 nm
Power consumption (TDP)19 Wattno data
Texture fill rate5.2004.800
Floating-point processing power0.104 TFLOPSno data
ROPs412
TMUs812

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 sizeno datalarge
InterfacePCIe 2.0 x16PCIe 1.0 x16
Length170 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeDDR2GDDR3
Maximum RAM amount2 GB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed400 MHz480 MHz
Memory bandwidth6.4 GB/s30.72 GB/s
Shared memoryno data-

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 Connectors1x DVI, 1x HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)9.0c (9_3)
Shader Model5.03.0
OpenGL4.42.0
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 4 February 2010 11 January 2007
Maximum RAM amount 2 GB 256 MB
Chip lithography 40 nm 80 nm

ATI HD 5450 has an age advantage of 3 years, a 700% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon HD 5450 and Mobility Radeon X1900. We've got no test results to judge.

Be aware that Radeon HD 5450 is a desktop card while Mobility Radeon X1900 is a notebook one.


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

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ATI Radeon HD 5450
Radeon HD 5450
ATI Mobility Radeon X1900
Mobility Radeon X1900

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Community ratings

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