ATI Radeon HD 2900 XT vs ATI Mobility HD 5450

Primary details

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

Place in the rankingnot rated927
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.04
Power efficiencyno data0.55
ArchitectureTeraScale 2 (2009−2015)TeraScale (2005−2013)
GPU code nameParkR600
Market segmentLaptopDesktop
Release date7 January 2010 (14 years ago)14 May 2007 (17 years ago)
Launch price (MSRP)no data$399

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores80320
Core clock speed650 MHz743 MHz
Number of transistors292 million720 million
Manufacturing process technology40 nm80 nm
Power consumption (TDP)11 Watt215 Watt
Texture fill rate5.20011.89
Floating-point processing power0.104 TFLOPS0.4755 TFLOPS
ROPs416
TMUs816

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 2.0 x16PCIe 1.0 x16
Lengthno data241 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 8-pin

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 typeGDDR3GDDR3
Maximum RAM amount1 GB512 MB
Memory bus width64 Bit512 Bit
Memory clock speed667 MHz828 MHz
Memory bandwidth10.67 GB/s106.0 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 outputs2x DVI, 1x S-Video

API compatibility

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

DirectX11.2 (11_0)10.0 (10_0)
Shader Model5.04.0
OpenGL4.43.3
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 7 January 2010 14 May 2007
Maximum RAM amount 1 GB 512 MB
Chip lithography 40 nm 80 nm
Power consumption (TDP) 11 Watt 215 Watt

ATI Mobility HD 5450 has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 1854.5% lower power consumption.

We couldn't decide between Mobility Radeon HD 5450 and Radeon HD 2900 XT. We've got no test results to judge.

Be aware that Mobility Radeon HD 5450 is a notebook card while Radeon HD 2900 XT is a desktop 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 Mobility Radeon HD 5450
Mobility Radeon HD 5450
ATI Radeon HD 2900 XT
Radeon HD 2900 XT

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Community ratings

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3.1 22 votes

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3.8 64 votes

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Questions & comments

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