ATI Radeon X1900 CrossFire Edition vs GeForce GTS 450 Rev. 2

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Primary details

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

Place in the ranking664not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.88no data
ArchitectureFermi 2.0 (2010−2014)R500 (2005−2007)
GPU code nameGF116R580
Market segmentDesktopDesktop
Release date15 March 2011 (13 years ago)24 January 2006 (18 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 cores192no data
Core clock speed783 MHz625 MHz
Number of transistors1,170 million384 million
Manufacturing process technology40 nm90 nm
Power consumption (TDP)106 Watt100 Watt
Texture fill rate25.0610.00
Floating-point processing power0.6013 TFLOPSno data
ROPs1616
TMUs3216

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
Length210 mmno data
Width2-slot2-slot
Supplementary power connectors1x 6-pin1x 6-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 typeGDDR5GDDR3
Maximum RAM amount1 GB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed902 MHz725 MHz
Memory bandwidth57.73 GB/s46.4 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 mini-HDMI2x DVI, 1x S-Video
HDMI+-

API compatibility

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

DirectX12 (11_0)9.0c (9_3)
Shader Model5.13.0
OpenGL4.62.0
OpenCL1.1N/A
VulkanN/AN/A
CUDA2.1-

Pros & cons summary


Recency 15 March 2011 24 January 2006
Maximum RAM amount 1 GB 512 MB
Chip lithography 40 nm 90 nm
Power consumption (TDP) 106 Watt 100 Watt

GTS 450 Rev. 2 has an age advantage of 5 years, a 100% higher maximum VRAM amount, and a 125% more advanced lithography process.

ATI X1900 CrossFire Edition, on the other hand, has 6% lower power consumption.

We couldn't decide between GeForce GTS 450 Rev. 2 and Radeon X1900 CrossFire Edition. 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 GTS 450 Rev. 2
GeForce GTS 450 Rev. 2
ATI Radeon X1900 CrossFire Edition
Radeon X1900 CrossFire Edition

Comparisons with similar GPUs

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Community ratings

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3.2 39 votes

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5 2 votes

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Questions & comments

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