AMD has officially announced their new Radeon HD 7790 GPU based on the 28nm GCN architecture. The Radeon HD 7790 as expected has been launched to fill in the gap between the Radeon HD 7770 GHz and HD 7850 GPUs.

AMD Radeon HD 7790 Bonaire GPUOfficiallyUnleashed

AMD's Radeon HD 7790 features the "Bonaire" silicon featuring 2.08 billion transistors compared to 1.5 billion on Cape Verde. The Bonaire core feature 896 stream processors56 TMUs, 16 ROPs, 2 Prim/Clock, Dual Tessellation units and a 128-bit GDDR5 memory interface. The reference model of the card ships with 1 GB of VRAM so its up to AIBs to offer higher VRAM versions. Core clock is maintained at 1 GHz while memory operates at 6 GHz speed at effective rate churning out 96 GB/s bandwidth.

1000MHz Engine Clock1GB GDDR5 Memory1500MHz Memory Clock (6.0 Gbps GDDR5)96GB/s memory bandwidth (maximum)1.79 TFLOPS Single Precision compute powerGCN Architecture14 Compute Units (896 Stream Processors)56 Texture Units64 Z/Stencil ROP Units16 Color ROP UnitsDual Geometry Engines128-bit GDDR5 memory interface

Based on the award-winning GCN Architecture, AMD Radeon™ HD 7700 Series GPUs are built to game with the world’s most advanced 28nm GPU design. And the AMD Radeon™ HD 7790 GPU is packed with incredible features, like automatic overclocking with AMD PowerTune technology, or ultra-resolution gaming with AMD Eyefinity technology. And that’s just the beginning, because these are the world’s most advanced graphics. For everyone. AMD

The GPU while configured to operate at 1 GHz core clock can dynamically adjust its core frequency with the new AMD clock adjustment technology which operates the same way as NVIDIA's boost making the GPU perform much moreefficiently. Card is supplied power through a single 6 Pin connector and comes with an rated TDP of 85W, the AMD Radeon HD 7790 would retail at $149 with custom parts adding in the cost. You can check out reviews form various tech sites along with AIB models below:

AMD Radeon HD 7790 Reviews:

AMD Radeon HD 7790 Review @ TechpowerUPAMD Radeon HD 7790 Review @ PCPerspectiveAMD Radeon HD 7790 Review @ TechReportAMD Radeon HD 7790 Review @ LegitReviewsAMD Radeon HD 7790 Review @ HardwareHeavenAMD Radeon HD 7790 Review @ Hardware CanucksAMD Radeon HD 7790 Review @ TomsHardwareAMD Radeon HD 7790 Review @ VR-ZoneAMD Radeon HD 7790 Review @ TechSpotAMD Radeon HD 7790 Review @ Bit-TechAMD Radeon HD 7790 Review @ Guru3DAMD Radeon HD 7790 Review @ HexusAMD Radeon HD 7790 Review @ ComputerbaseAMD Radeon HD 7790 Review @ SweclockersAMD Radeon HD 7790 Review @ AnandtechAMD Radeon HD 7790 Review @ Overclockersclub

AMD Radeon HD 7790 Model List:

Club3D Radeon HD 7790 '13Series

Radeon HD 7790 '13Series

XFX Radeon HD 7790 W/ Double Dissipation cooler

XFX Radeon HD 7790 Black EditionXFX Radeon HD 7790 Core Edition

MSI Radeon HD 7790 W/ Propeller Blade cooler

MSI R7790 1 GB OCMSI R7790 1 GB

Sapphire Radeon HD 7790 W/ Dual-X OC cooler

Sapphire HD 7790 1GB GDDR5 DUAL-X OCSapphire HD 7790 1GB GDDR5

PowerColor Radeon HD 7790 W/ Power Series cooler

PowerColor TurboDuo HD7790 1GB GDDR5 OCPowerColor HD7790 1GB GDDR5 OC

ASUS Radeon HD 7790 W/ DirectCU II cooler

ASUS HD 7790 DirectCU II OCASUS HD 7790 DirectCU II

AMD Radeon HD 7790 Slide Deck: