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What else can be said about ATI's newest Evergreen cards that haven't already been said? In a short span of a month, ATI has rolled out not just one, not two, but four new cards. We've already covered the hyper fast Radeon HD 5870, its less powerful sibling the HD 5850, and also the HD 5770. Today, we are turning our attention to the Radeon HD 5750, the HD 5770's little brother.
The Radeon HD 5750 follows ATI tradition in that it is essentially a stripped down version of the single GPU (Cypress XT) found in the Radeon HD 5870. The chip found in the HD 5750 has been codenamed Juniper LE and it features a mere 720 stream processors, 36 texture mapping units and 16 raster operator units. This is comparable to the HD 5770's 800 stream processors, 40 texture mapping units and 16 raster operator units, but no where close to what the HD 5870 packs.
Additionally, like the Radeon HD 5770, the Radeon HD 5750 was given only a 128-bit wide memory interface, which would certainly hamper performance. And where clock speeds are concerned, the core of the Radeon HD 5750 is running at 700MHz, whereas the memory is clocked at 4600MHz DDR, which is notably lower than the HD 5770's core clock speeds of 850MHz and memory clock speeds of 4800MHz DDR. While the HD 5750 might have less stream processors, texture mapping units and lower clock speeds, ATI says the chip is still capable of pushing out 1.008 teraFLOPs of pure compute power, which is a smidge more than what the previous generation Radeon HD 4850 could manage. Price points too seem to be in that ballpark with the new Radeon HD 5750 SKU pegged at a recommended price of US$129. Other specs and price comparisons are as documented in the table at the bottom.
With its stripped down core and lower clock speeds, it will be intriguing to see how the Radeon HD 5750 performs against the other Evergreen series of cards, its predecessors, and against the competition from NVIDIA. But first, a quick look at its GPU-Z screenshot and how it stacks up against the competition.
|Model||ATI Radeon HD 5750 1GB||ATI Radeon HD 5770 1GB||ATI Radeon HD 4870 512MB||ATI Radeon HD 4850 512MB||NVIDIA GeForce GTX 260+ 896MB||NVIDIA GeForce GTS 250 1GB||NVIDIA GeForce 9800 GT 512MB|
|Core Code||Juniper LE||Juniper XT||RV770||RV770||GT200||G92||G92|
|Transistor Count||1040 million||1040 million||965 million||965 million||1400 million||754 million||754 million|
|Manufacturing Process||40nm||40nm||55nm||55nm||65nm||55nm||65 / 55nm|
|Stream Processors||720 Stream processing units||800 Stream processing units||800 Stream processing units||800 Stream processing units||216 Stream Processors||128 Stream Processors||112 Stream Processors|
|Stream Processor Clock||700MHz||850MHz||750MHz||625MHz||1242MHz||1836MHz||1500MHz|
|Texture Mapping Units (TMU) or Texture Filtering (TF) units||36||40||40||40||72||64||56|
|Raster Operator units (ROP)||16||16||16||16||28||16||16|
|Memory Clock||4600MHz GDDR5||4800MHz GDDR5||3600MHz GDDR5||2000MHz GDDR3||1998MHz GDDR3||2200MHz GDDR3||1800MHz GDDR3|
|DDR Memory Bus||128-bit||128-bit||256-bit||256-bit||448-bit||256-bit||256-bit|
|PCI Express Interface||PCIe ver 2.0 x16||PCIe ver 2.0 x16||PCIe ver 2.0 x16||PCIe ver 2.0 x16||PCIe ver 2.0 x16||PCie ver 2.0 x16||PCIe ver 2.0 x16|
|Molex Power Connectors||1 x 6-pin||1 x 6-pin||2 x 6-pin||6-pin||2 x 6-pin||1 x 6-pin||6-pin|
|Multi GPU Technology||CrossFireX||CrossFireX||CrossFireX||CrossFireX||SLI||SLI||SLI|
|DVI Output Support||2 x Dual-Link||2 x Dual-Link||2 x Dual-Link||2 x Dual-Link||2 x Dual-Link||2 x Dual-Link||2 x Dual Link|
|HDCP Output Support||Yes||Yes||Yes||Yes||Yes||Yes||Yes|
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