PowerColor Radeon HD 5750 Roundup :
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PowerColor Radeon HD 5750 Roundup

Date: 2009-10-27

   Mainstream OffensiveWhat 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 c...

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Mainstream Offensive

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.

PowerColor Radeon HD 5750 Roundup
Our Radeon HD 5750 comes courtesy of PowerColor. This is the PowerColor PCS HD 5750 Premium Edition, which comes with a custom cooler from cooling specialists ZEROtherm and also a redeemable copy of Dirt 2.

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.

PowerColor Radeon HD 5750 Roundup

The ATI Radeon HD 5875 and competitive comparison SKUs
Model ATI Radeon HD 5750 1GB ATIRadeon HD 5770 1GB ATIRadeonHD 4870 512MB ATIRadeonHD 4850 512MB NVIDIAGeForce GTX 260+ 896MB NVIDIAGeForce GTS 250 1GB NVIDIAGeForce 9800 GT 512MB
CoreCode JuniperLE Juniper XT RV770 RV770 GT200 G92 G92
TransistorCount 1040million 1040million 965million 965million 1400million 754million 754million
ManufacturingProcess 40nm 40nm 55nm 55nm 65nm 55nm 65/ 55nm
CoreClock 700MHz 850MHz 750MHz 625MHz 576MHz 738MHz 600MHz
StreamProcessors 720Stream processing units 800 Streamprocessing units 800Stream processing units 800Stream processing units 216Stream Processors 128Stream Processors 112Stream Processors
StreamProcessor Clock 700MHz 850MHz 750MHz 625MHz 1242MHz 1836MHz 1500MHz
TextureMapping Units (TMU) or Texture Filtering (TF)units 36 40 40 40 72 64 56
RasterOperator units (ROP) 16 16 16 16 28 16 16
MemoryClock 4600MHzGDDR5 4800MHzGDDR5 3600MHzGDDR5 2000MHzGDDR3 1998MHzGDDR3 2200MHzGDDR3 1800MHzGDDR3
DDRMemory Bus 128-bit 128-bit 256-bit 256-bit 448-bit 256-bit 256-bit
MemoryBandwidth 73.6GB/s 76.8GB/s 115.2GB/s 64GB/s 111.9GB/s 70.4GB/s 57.6GB/s
PCIExpress Interface PCIever 2.0 x16 PCIe ver2.0 x16 PCIe ver 2.0x16 PCIe ver 2.0x16 PCIever 2.0 x16 PCiever 2.0 x16 PCIever 2.0 x16
MolexPower Connectors 1x 6-pin 1 x6-pin 2 x 6-pin 6-pin 2x 6-pin 1x 6-pin 6-pin
MultiGPU Technology CrossFireX CrossFireX CrossFireX CrossFireX SLI SLI SLI
DVIOutput Support 2x Dual-Link 2 xDual-Link 2 x Dual-Link 2 x Dual-Link 2x Dual-Link 2x Dual-Link 2x Dual Link
HDCPOutput Support Yes Yes Yes Yes Yes Yes Yes
StreetPrice ~US$129 ~US$159 ~US$150 ~US$100 ~US$200 ~US$120 ~US$100

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