Sapphire HD 5450 512 MB GDDR3

Sapphire HD 5450 512 MB GDDR3

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Introduction



With the new Radeon HD 5450, AMD's quest to field an entire lineup of DirectX 11 compliant graphics cards covering all market segments, within six months reaches fruition. The HD 5450 is an entry-level GPU based on the company's "Cedar" core. There are two important things AMD wants to try with this GPU, which it hasn't tried yet: 1. to have a current standards-compliant entry-level GPU, 2. to try and have a go at integrated graphics solutions in terms of power draw and performance, while maintaining higher performance per Watt. Sounds like a daunting task for discrete graphics, but not all that impossible in theory, being AMD's smallest 40 nanometer GPU to date, and many energy efficiency wins in the Evergreen series to speak of.



The Cedar GPU packs 80 stream processors, 4 ROPs, and a 64-bit wide memory interface, which seats GDDR3 or DDR2 memory. Apart from featuring in low-profile graphics cards, the GPU also makes do with fan-less passive cooling which makes it silent. There are just enough resources to drive full-HD video playback, or playing games of the yesteryear. The on-die audio passed over HDMI is high-definition, with 7.1 output channels and Dolby TrueHD, DTS-HD, AC-3, DTS support, which is an amazing value proposition (substitutes a $100 HDMI sound card which offers the same).

Sapphire's implementation of the Radeon HD 5450 sticks to the plan. It's a low-profile card with passive cooling. It packs 512 MB of memory, and bundles a low-profile bracket kit. Its connectivity ensures all important connectors are taken care of. Let's take it for a spin.

GeForce
9400 GT
Radeon
HD 5450
Sapphire
HD 5450
Radeon
HD 4550
GeForce
9500 GT
GeForce
GT 220
Radeon
HD 5570
Radeon
HD 4670
Shader units 168080803248400320
ROPs84448888
GPUG96CedarCedarRV710G96GT216RedwoodRV730
Transistors314M292M292M242M314M486M627M512M
Memory Size512M512 MB512 MB512 MB256 MB /
512 MB
512 MB /
1024 MB
1024 MB512 MB
Memory Bus Width 128 bit64 bit64 bit64 bit128 bit128 bit128 bit128 bit
Core Clock550 MHz650 MHz650 MHz600 MHz550 MHz625 MHz650 MHz750 MHz
Memory Clock400 MHz800 MHz800 MHz400 MHz900 MHz790 MHz /
1012 MHz
900 MHz1000 MHz
Price$40$45$55$40$50$80$80$65
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